Last data update: May 06, 2024. (Total: 46732 publications since 2009)
Records 1-30 (of 83 Records) |
Query Trace: Haas L[original query] |
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Using Public Feedback about the use of Elastomeric Half Mask Respirators to Inform a National Deployment Study within Health Settings
Haas EJ , Greenawald LA , Furek A , D'Alessandro MM . J Int Soc Respir Prot 12/28/2021 38 (2) 92-106 Reusable elastomeric half mask respirators (EHMRs) have been encouraged for use during conventional, contingency, and crisis capacity in healthcare delivery settings as an alternative to disposable N95 filtering facepiece respirators (FFRs). However, standard, operationalized guidelines for implementing EHMRs in healthcare and first responder settings are needed to facilitate such integration. Specifically, research is needed to identify and address specialized concerns in healthcare delivery settings beyond hospitals to understand the widespread barriers to EHMR use and how organizational culture can support or hinder EHMR adoption. The Strategic National Stockpile (SNS) requested support from the National Institute for Occupational Safety and Health (NIOSH) to develop its strategy to purchase and distribute EHMRs to interested health organizations. To support this SNS effort, NIOSH published a Federal Register Notice (FRN) to request formative input from the public on the nationwide distribution of EHMRs and provided the technical analysis of the responses. Twenty-two representatives from first responder organizations, healthcare and dental associations, manufacturers, higher education, medical/nursing societies, and a union provided comments for consideration. This feedback was qualitatively analyzed to identify themes among the comments. This paper discusses patterns that emerged in the feedback provided within the primary topics of perceived advantages and disadvantages of EHMRs and key considerations for a successful national deployment of EHMRs. This paper also discusses how the formative feedback received was critical to informing the SNS's strategy to purchase and deploy EHMRs for longitudinal demonstration projects with the goal to produce updated EHMR implementation guidelines and best practices. |
Using the number of N95® filtering facepiece respirator models as an indicator of supply chain stability in a US health-care system
Furek A , Edirisooriya M , Casey M , Haas EJ . Disaster Med Public Health Prep 2024 18 e10 OBJECTIVES: Personal protective equipment (PPE) supply chain disruptions force US health-care entities to adopt conservation strategies such as procurement from different respirator manufacturers. This research seeks to better understand how the number of respirator models on hand can serve as an indicator of N95 filtering facepiece respirator (FFR) supply chain stability or disruption. METHODS: Researchers looked at differences in the mean number of N95 FFR models, averaged weekly, from 10 hospitals in a health-care system over 15 wk from June 1 to September 10, 2020. Participating hospitals entered near-daily PPE inventory data by manufacturer and model number. RESULTS: A linear mixed effect model was run in SPSS v. 26 using a random intercept for hospitals, with week as a fixed predictor and mean number of respirator models (averaged weekly) on hand as the dependent variable. Each week showed a small but significant effect compared with the past week (P < 0.001), where the average weekly number of respirator models on hand decreased. CONCLUSIONS: The limited data may indicate a resolution of supply chain disruptions and warrant further investigation. Consequently, the number of respirator models may be applicable as an indicator of supply chain stability and be more easily ascertained and tracked by health-care entities. |
Identifying leadership practices to support the uptake of reusable elastomeric half mask respirators in health delivery settings
Haas EJ , Furek A , Greenawald LA . Healthc Manage Forum 2024 8404704241226698 An increase in reusable elastomeric half mask respirators among healthcare personnel has been documented during pandemic emergencies; however, research has not detailed leadership practices to support their use. Forty-three organizations implemented EHMRs received from the United States federal government which prompted interviews with 73 individuals who managed respirator distribution and fit testing between October 2021 and November 2022. Interview data was qualitatively analyzed. Themes around organizational culture and leadership practices emerged when discussing how elastomeric half mask respirators were integrated into health delivery settings including communication and outreach methods to aid worker support. Example included on-line and hands-on training, peer support, leadership support, and a culture that supports respirator use. To support a shift to reusable respiratory protection being procured and implemented, organizational- and individual-level perspectives are needed. Employee engagement, respirator champions, and updated verbal and written communication mechanisms are important takeaways for leaders to consider during any routine or emergency scenario. |
Coverage with influenza, respiratory syncytial virus, and updated COVID-19 vaccines among nursing home residents - National Healthcare Safety Network, United States, December 2023
Reses HE , Dubendris H , Haas L , Barbre K , Ananth S , Rowe T , Mothershed E , Hall E , Wiegand RE , Lindley MC , Meyer S , Patel SA , Benin A , Kroop S , Srinivasan A , Bell JM . MMWR Morb Mortal Wkly Rep 2023 72 (51) 1371-1376 Nursing home residents are at risk for becoming infected with and experiencing severe complications from respiratory viruses, including SARS-CoV-2, influenza, and respiratory syncytial virus (RSV). Fall 2023 is the first season during which vaccines are simultaneously available to protect older adults in the United States against all three of these respiratory viruses. Nursing homes are required to report COVID-19 vaccination coverage and can voluntarily report influenza and RSV vaccination coverage among residents to CDC's National Healthcare Safety Network. The purpose of this study was to assess COVID-19, influenza, and RSV vaccination coverage among nursing home residents during the current 2023-24 respiratory virus season. As of December 10, 2023, 33.1% of nursing home residents were up to date with vaccination against COVID-19. Among residents at 20.2% and 19.4% of facilities that elected to report, coverage with influenza and RSV vaccines was 72.0% and 9.8%, respectively. Vaccination varied by U.S. Department of Health and Human Services region, social vulnerability index level, and facility size. There is an urgent need to protect nursing home residents against severe outcomes of respiratory illnesses by continuing efforts to increase vaccination against COVID-19 and influenza and discussing vaccination against RSV with eligible residents during the ongoing 2023-24 respiratory virus season. |
Infection precaution adherence varies by potential exposure risks to SARS-CoV-2 and job role: Findings from a US medical center
Haas EJ , Kelly-Reif K , Edirisooriya M , Reynolds L , Beatty Parker CN , Zhu D , Weber DJ , Sickbert-Bennett E , Boyce RM , Ciccone EJ , Aiello AE . Am J Infect Control 2023 BACKGROUND: Infection precautions (IP) facilitate standardized and safe patient care. Research has demonstrated several barriers to IP adherence among health care personnel (HCP) but potential exposure risk to SARS-CoV-2 and job role has not been considered. METHODS: Researchers used self-reported baseline surveys with 191 HCPs at a university medical center to examine factors that may have affected IP adherence (eg, personal protective equipment [PPE] and hand hygiene errors) over the 2 weeks prior to the survey. Chi-square tests were used to determine if differences existed first, among job role and IP adherence, and second, the potential risk of exposure to SARS-CoV-2 and IP adherence. A binary logistic regression estimated if PPE nonadherence was associated with COVID-19 stress, job role, and potential exposure risk to SARS-CoV-2. RESULTS: PPE nonadherence varied by job role. Those in the Other group (ie, nonphysician/non-nursing HCP) reported significantly fewer errors (9.6%) compared to Physicians (26.5%) and Registered Nurses (33.3%). Hand/glove hygiene errors between COVID-19 patient rooms varied by job role. Respondents who had higher risks of exposure to SARS-CoV-2 were 5.74 times more likely to experience errors. CONCLUSIONS: The results provide implications for adopting systems-level approaches to support worker knowledge and engagement across job roles to improve IP adherence. |
Declines in influenza vaccination coverage among health care personnel in acute care hospitals during the COVID-19 pandemic - United States, 2017-2023
Lymon H , Meng L , Reses HE , Barbre K , Dubendris H , Shafi S , Wiegand R , Reddy Grty , Woods A , Kuhar DT , Stuckey MJ , Lindley MC , Haas L , Qureshi I , Wong E , Benin A , Bell JM . MMWR Morb Mortal Wkly Rep 2023 72 (45) 1244-1247 Health care personnel (HCP) are recommended to receive annual vaccination against influenza to reduce influenza-related morbidity and mortality. Every year, acute care hospitals report receipt of influenza vaccination among HCP to CDC's National Healthcare Safety Network (NHSN). This analysis used NHSN data to describe changes in influenza vaccination coverage among HCP in acute care hospitals before and during the COVID-19 pandemic. Influenza vaccination among HCP increased during the prepandemic period from 88.6% during 2017-18 to 90.7% during 2019-20. During the COVID-19 pandemic, the percentage of HCP vaccinated against influenza decreased to 85.9% in 2020-21 and 81.1% in 2022-23. Additional efforts are needed to implement evidence-based strategies to increase vaccination coverage among HCP and to identify factors associated with recent declines in influenza vaccination coverage. |
The association between safety climate and noncombat injury events among United States Air Force workers
Socias-Morales CM , Haas EJ , Gwilliam M , Yorio PL , Delaney NB , Falcon RG , Stallings HA , Burnham BR , Stuever DM , Stouder SM , Ewing GL , Collins JW , Chaumont Menendez CK . J Saf Res null [Epub ahead of print] Introduction: Work-related injuries are a common lagging safety indicator whereas safety climate assessments can help identify constructs serving as leading indicators. The National Institute for Occupational Safety and Health (NIOSH) partnered with the U.S. Department of the Air Force (DAF) Safety Center to examine the association between perceptions of safety climate survey constructs and the number of injury events within the DAF workforce. Methods: The DAF administers voluntary, anonymous, occupation-specific safety climate surveys to DAF workers using the internal Air Force Combined Mishap Reduction System (AFCMRS). Survey responses from 2014 to 2018 provided by DAF workers and injury events in maintenance, support, and operations occupations were shared with NIOSH. Exploratory Factor Analysis revealed five constructs: Leadership and Communication; Organizational Safety Priority; Error Management; Resource Adequacy; and Deployment/Official Travel Impact. Squadron-level analysis included bivariate correlations and estimated Rate Ratios (RRs). Results: 1,547 squadrons administered the survey, averaging 144 workers and 15.8 reportable injuries per squadron. Higher (more favorable) squadron-level construct scores were consistently correlated with fewer reported injuries (p < 0.001). Controlling for the number of workers, RRs revealed significant reductions in injury rates with each one-unit increase in responses: Leadership and Communication RR = 0.40 (95 %CI: 0.32-0.48); Organizational Safety Priority RR = 0.50 (95 %CI: 0.40-0.64); Error Management RR = 0.37 (95 %CI: 0.30-0.47); Deployment/Official Travel Impact RR = 0.36 (95 %CI: 0.29-0.45). Resource Adequacy revealed a non-significant lower injury rate RR = 0.87 (95 %CI: 0.73-1.04). Conclusions: This unique study quantified safety climate and the association with injuries across a multi-year period. While safety climate measurements may be limited by frequent turnover and the self-reported, voluntary, anonymous nature of AFCMRS, the strength of this study is in the census of injuries. Practical Applications: Future research should include longitudinal analyses to examine the impact on injuries when squadron leaders are provided feedback on safety climate survey results. |
Proteomic and genetic analyses of influenza A viruses identify pan-viral host targets
Haas KM , McGregor MJ , Bouhaddou M , Polacco BJ , Kim EY , Nguyen TT , Newton BW , Urbanowski M , Kim H , Williams MAP , Rezelj VV , Hardy A , Fossati A , Stevenson EJ , Sukerman E , Kim T , Penugonda S , Moreno E , Braberg H , Zhou Y , Metreveli G , Harjai B , Tummino TA , Melnyk JE , Soucheray M , Batra J , Pache L , Martin-Sancho L , Carlson-Stevermer J , Jureka AS , Basler CF , Shokat KM , Shoichet BK , Shriver LP , Johnson JR , Shaw ML , Chanda SK , Roden DM , Carter TC , Kottyan LC , Chisholm RL , Pacheco JA , Smith ME , Schrodi SJ , Albrecht RA , Vignuzzi M , Zuliani-Alvarez L , Swaney DL , Eckhardt M , Wolinsky SM , White KM , Hultquist JF , Kaake RM , García-Sastre A , Krogan NJ . Nat Commun 2023 14 (1) 6030 Influenza A Virus (IAV) is a recurring respiratory virus with limited availability of antiviral therapies. Understanding host proteins essential for IAV infection can identify targets for alternative host-directed therapies (HDTs). Using affinity purification-mass spectrometry and global phosphoproteomic and protein abundance analyses using three IAV strains (pH1N1, H3N2, H5N1) in three human cell types (A549, NHBE, THP-1), we map 332 IAV-human protein-protein interactions and identify 13 IAV-modulated kinases. Whole exome sequencing of patients who experienced severe influenza reveals several genes, including scaffold protein AHNAK, with predicted loss-of-function variants that are also identified in our proteomic analyses. Of our identified host factors, 54 significantly alter IAV infection upon siRNA knockdown, and two factors, AHNAK and coatomer subunit COPB1, are also essential for productive infection by SARS-CoV-2. Finally, 16 compounds targeting our identified host factors suppress IAV replication, with two targeting CDK2 and FLT3 showing pan-antiviral activity across influenza and coronavirus families. This study provides a comprehensive network model of IAV infection in human cells, identifying functional host targets for pan-viral HDT. |
Seasonal trends in emergency department visits for mental and behavioral health conditions among children and adolescents aged 5-17 years - United States, January 2018-June 2023
Radhakrishnan L , Carey K , Pell D , Ising A , Brathwaite D , Waller A , Gay J , Watson-Smith H , Person M , Zamore K , Brumsted T , Price C , Clark PM , Haas GA , Gracy L , Johnston S , Chen Y , Muñoz K , Henry M , Willis B , Nevels D , Asaolu I , Lee S , Wilkins NJ , Bacon S , Sheppard M , Kite-Powell A , Blau G , King M , Whittaker M , Leeb RT . MMWR Morb Mortal Wkly Rep 2023 72 (38) 1032-1040 Mental and behavioral health conditions among school-aged children, including substance use disorders and overall emotional well-being, are a public health concern in the United States. Timely data on seasonal patterns in child and adolescent conditions can guide optimal timing of prevention and intervention strategies. CDC examined emergency department (ED) visit data from the National Syndromic Surveillance Program for 25 distinct conditions during January 2018-June 2023 among U.S. children and adolescents aged 5-17 years, stratified by age group. Each year, during 2018-2023, among persons aged 10-14 and 15-17 years, the number and proportion of weekly ED visits for eight conditions increased in the fall school semester and remained elevated throughout the spring semester; ED visits were up to twice as high during school semesters compared with the summer period. Among children aged 5-9 years, the number and proportion of visits increased for five mental and behavioral health conditions. Seasonal increases in ED visits for some conditions among school-aged children warrant enhanced awareness about mental distress symptoms and the challenges and stressors in the school environment. Systemic changes that prioritize protective factors (e.g., physical activity; nutrition; sleep; social, community, or faith-based support; and inclusive school and community environments) and incorporate preparedness for increases in conditions during back-to-school planning might improve child and adolescent mental health. |
Elastomeric half-mask respirator disinfection practices among healthcare personnel
Hines SE , Thurman P , Zhuang E , Chen H , McDiarmid M , Chalikonda S , Angelilli S , Waltenbaugh H , Napoli M , Haas E , McClain C , Sietsema M , Fernando R . Am J Ind Med 2023 66 (12) 1056-1068 BACKGROUND: Disposable N95 respirator shortages during the COVID-19 and 2009 H1N1 influenza pandemics highlighted the need for reusable alternatives, such as elastomeric half-mask respirators (EHMRs). Two US medical organizations deployed reusable EHMRs during the COVID-19 response. In addition to wipe-based disinfection following patient care episodes expected per local policies at both organizations, postshift centralized cleaning and disinfection (C&D) was expected at one site (A), permitting shared-pool EHMR use, and optional at the other (Site B), where EHMRs were issued to individuals. Using a survey, we evaluated disinfection practices reported by EHMR users and predictors of disinfection behaviors and perceptions. METHODS: Surveys assessed EHMR disinfection practices, occupational characteristics, EHMR use frequency, training, and individual-issue versus shared-pool EHMR use. RESULTS: Of 1080 EHMR users completing the survey, 76% reported that they disinfect the EHMR after each patient encounter, which was the expected practice at both sites. Increasing EHMR use, recall of disinfection training, and work in intensive care or emergency settings significantly influenced higher reporting of this practice. 36% of respondents reported using centralized C&D, although reporting was higher at the site (A) where this was expected (53%). Confidence in cleanliness of the EHMR following centralized C&D was not influenced by individual versus shared-pool EHMR issue. CONCLUSIONS: Most EHMR users reported adherence with expected post-care individual-based disinfection of EHMRs but did not necessarily use standardized, centralized C&D. Future efforts to limit reliance on behavior related to respirator disinfection may improve EHMR implementation in healthcare to avert dependence on single-use, disposable N95 respirators. |
Examining the roles of training, fit testing, and safety climate on user confidence in respiratory protection: A case example with reusable respirators in health delivery settings
Edirisooriya M , Haas EJ . Sustainability 2023 15 (17) A lack of confidence in the efficacy of respiratory protection can contribute to uncertainty among workers and cast doubt on workplace safety. To date, no research has been conducted to study and understand the introduction of elastomeric half-mask respirators (EHMRs)—without exhalation valves (EVs) or with exhalation valve filters (EVFs), both representing new designs that address source control—in the workplace. To study this issue, researchers collaborated with partners at 32 health delivery settings that received EHMRs from the Strategic National Stockpile during the COVID-19 pandemic. EHMR users (n = 882) completed an online survey between October 2021 and September 2022. Analyses demonstrated that employees were statistically significantly more confident in the efficacy of EHMRs with no EV/with an EVF (including the efficacy in protecting the user from COVID-19) if they had been fit tested and received training. Respondents were also statistically significantly more confident in the efficacy of their EHMR if they had a more positive perception of their organization’s safety climate. The results provide insights for tailored fit testing and training procedures as manufacturers continue to improve respirator models to enhance worker comfort and use. Results also show that, even during a public health emergency, the role of safety climate cannot be ignored as an organizational factor to support worker knowledge, attitudes, and participation in health and safety behaviors specific to respirator use. © 2023 by the authors. |
Prevalence of Nonsuppressed Viral Load and Associated Factors Among Adults Receiving Antiretroviral Therapy in Eswatini, Lesotho, Malawi, Zambia, and Zimbabwe (2015-2017): Results from Population-Based Nationally-Representative Surveys (preprint)
Haas AD , Radin E , Hakim AJ , Jahn A , Philip NM , Jonnalagadda S , Saito S , Low A , Patel H , Schwitters AM , Rogers JH , Frederix K , Kim E , Bello G , Williams DB , Parekh B , Sachathep K , Barradas DT , Kalua T , Birhanu S , Musuka G , Mugurungi O , Tippett Barr BA , Sleeman K , Mulenga LB , Thin K , Ao TT , Brown K , Voetsch AC , Justman JE . medRxiv 2020 2020.07.13.20152553 Introduction The Joint United Nations Programme on HIV/AIDS (UNAIDS) has set a target of ≥90% of people living with HIV (PLHIV) receiving antiretroviral therapy (ART) to have viral load suppression (VLS). We examined factors associated with nonsuppressed viral Load (NVL).Methods We included PLHIV receiving ART aged 15–59 years from Eswatini, Lesotho, Malawi, Zambia, and Zimbabwe. Blood samples from PLHIV were analyzed for HIV RNA and recent exposure to antiretroviral drugs (ARVs). Outcomes were NVL (viral load ≥1000 copies/mL), virologic failure (VF; ARVs present and viral load ≥1000 copies/mL), interrupted ART (ARVs absent and viral load ≥1000 copies/mL), and receiving second-line ART. We calculated odds ratios and incidence rate ratios for factors associated with NVL, VF, interrupted ART, and switching to second-line ART.Results The prevalence of NVL was 11.2%: 8.2% experienced VF, and 3.0% interrupted ART. Younger age, male gender, less education, suboptimal adherence, receiving nevirapine, HIV non-disclosure, never having married, and residing in Zimbabwe, Lesotho, or Zambia were associated with higher odds of NVL. Among people with NVL, marriage, female gender, shorter ART duration, higher CD4 count, and alcohol use were associated with higher odds for interrupted ART and lower odds for VF. Many people with VF (44.8%) had CD4 counts <200 cells/µL, but few (0.31% per year) switched to second-line ART.Conclusions Countries are approaching UNAIDS VLS targets for adults. Treatment support for people initiating ART with asymptomatic HIV infection, scale-up of viral load monitoring, and optimized ART regimens may further reduce NVL prevalence.Competing Interest StatementThe authors have declared no competing interest.Funding StatementFunding: This research has been supported by the President's Emergency Plan for AIDS Relief (PEPFAR) through the Centers for Disease Control and Prevention (CDC) under the terms of grant number U2GGH001226. ADH was supported by a Swiss National Science Foundation (SNF) Early Postdoc Mobility Fellowship (grant number: P2BEP3_178602). Disclaimer: The findings and conclusions in this report are those of the authors and do not necessarily represent the official position of the funding agencies. Author DeclarationsI confirm all relevant ethical guidelines have been followed, and any necessary IRB and/or ethics committee approvals have been obtained.YesThe details of the IRB/oversight body that provided approval or exemption for the research described are given below:The Eswatini Scientific and Ethics Committee, the National Health Science Research Committee Malawi, the National Health Research Ethics Committee Lesotho, the National Health Research Ethics Committee Lesotho, the Tropical Diseases Research Centre Ethics Review Committee, Zambia, the Medical Research Council of Zimbabwe, and the Institutional Review Boards at the Centers for Disease Control and Prevention (CDC; Atlanta, GA) and Columbia University Medical Center (New York, NY) approved the PHIA surveys.All necessary patient/participant consent has been obtained and the appropriate institutional forms have been archived.YesI understand that all clinical trials and any other prospective interventional studies must be registered with an ICMJE-approved registry, such as ClinicalTrials.gov. I confirm that any such study reported in the manuscript has been registered and the trial registration ID is provided (note: if posting a prospective study registered retrospectively, please provide a statement in the trial ID field explaining why the study was not registered in advance).Yes I have followed all appropriate research reporting guidelines and uploaded the relevant EQUATOR Network research reporting checklist(s) and other pertinent material as supplementary files, if applicable.YesPublic datasets for Eswatini, Malawi, and Zambia are available. Public datasets for Lesotho and Zimbabwe will be made available soon. For more information see: https://phia-data.icap.columbia.edu/ https://phia-data.icap.columbia.edu/ |
Examining the impact of elastomeric half mask respirator knowledge and user barriers on safety climate perceptions in health care settings
Haas EJ , Yoon K , McClain C , Sietsema M , Hornbeck A , Hines S , Chalikonda S , Angelilli S , Waltenbaugh H , Thurman P , Napoli M , Fernando R . Workplace Health Saf 2023 71 (7) 21650799231164783 BACKGROUND: Availability of personal protective equipment (PPE) and its effective use may influence safety climate perceptions among health care personnel (HCP). It is unclear how health care organizations can leverage the effective use of respiratory protection to engage in continuous improvement of their safety climate, which can inform opportunities for employee education and engagement. METHODS: After using an elastomeric half mask respirator (EHMR) as their primary form of respiratory protection for several months, 1,080 HCP provided feedback in an electronic survey about respiratory protection training, confidence in EHMR use, barriers during use, and perceived safety climate. Ordinal logistic regressions were used as nonlinear models to test relationships between these variables. FINDINGS: We observed that an increase in user confidence (p < .013), training content (p < .001), training formats (p < .001), and a decrease in EHMR barriers (p < .001) were associated with a statistically significant increase in proactive safety climate. In the second model, an increase in user confidence (p < .006) and training content (p < .001), and a decrease in barriers (p < .001), was associated with a statistically significant increase in compliant safety climate. CONCLUSIONS/APPLICATION TO PRACTICE: HCP EHMR confidence was positively associated with safety climate perceptions, underscoring the value of competency building by respiratory protection leaders prior to implementation. Because fewer barriers experienced while using an EHMR were associated with a more positive perception of safety climate, it is important to first communicate with end users about potential barriers and, second, to continue research with end users and manufacturers to improve the design of EHMRs moving forward. |
Elastomeric Half Mask Respirators: An Alternative to Disposable Respirators and a Solution to Shortages during Public Health Emergencies
Greenawald LA , Haas EJ , D'Alessandro MM . J Int Soc Respir Prot 2021 38 (2) 74-91 During public health emergencies such as an influenza pandemic, disposable filtering facepiece respirator (FFR) shortages have a significant impact on the national response, affecting many types of workplaces that rely on respiratory protection. During the COVID-19 pandemic, severe FFR shortages led the CDC to publish strategies for optimizing the supply of N95 FFRs. These strategies included the extended use and limited reuse of FFRs, wearing decontaminated FFRs, wearing respirators that meet an international respirator standard, or wearing FFRs that were past their manufacturer-designated shelf life. An additional strategy to mitigate supply shortages that was highlighted during the COVID-19 pandemic was to wear reusable respirators, such as elastomeric half mask respirators (EHMRs), or powered air-purifying respirators, which can be cleaned, disinfected, and reused. A decade of nationwide initiatives to increase the utility of EHMRs in healthcare settings were realized during the COVID-19 pandemic as EHMRs became more well-known and were used in healthcare settings for respiratory protection. This expanded use of EHMRs led to an increase in federal procurement, research, guidance, and private sector research and development of innovative EHMR designs by manufacturers to respond to workers' needs for both respiratory protection and source control. This paper describes the role of reusable EHMRs before and during the COVID-19 pandemic, and reviews past and current research, to inform successful EHMR implementation in healthcare and first responder settings. |
A randomized trial of quadruple-fortified salt for anemia and birth defects prevention in southern India: Protocol design and methods
Finkelstein JL , Guetterman HM , Fothergill A , Johnson CB , Qi YP , Jabbar S , Zhang M , Pfeiffer CM , Rose CE , Yeung LF , Williams JL , Krisher JT , Ruth C , Roy Choudhury D , Venkatramanan S , Haas JD , Kuriyan R , Mehta S , Bonam W , Crider KS . Curr Dev Nutr 2023 7 (3) 100052 Background: Women of reproductive age are at an increased risk of anemia and micronutrient deficiencies. Evidence supports the role of periconceptional nutrition in the development of neural tube defects (NTDs) and other pregnancy complications. Vitamin B12 deficiency is a risk factor for NTDs and may modify folate biomarkers that predict NTD risk at the population level. There is an interest in mandatory fortification with vitamin B12 and folic acid for anemia and birth defect prevention. However, there are limited population-representative data needed to inform policy and guidelines. Objectives: This randomized trial will be conducted to evaluate the efficacy of quadruple-fortified salt (QFS; iron, iodine, folic acid, vitamin B12) in 1,000 households in Southern India. Methods: Women 18 to 49 y who are not pregnant or lactating and reside within the catchment area of our community-based research site in Southern India will be screened and invited to participate in the trial. After informed consent, women and their households will be randomized to receive one of the following 4 interventions: 1) double-fortified salt (DFS; iron, iodine), 2) DFS + folic acid (iron, iodine, folic acid), 3) DFS + vitamin B12 (iron, iodine, vitamin B12), or 4) DFS + folic acid and vitamin B12 (QFS; iron, iodine, folic acid, vitamin B12) for 12 mo. Structured interviews will be conducted by trained nurse enumerators to collect sociodemographic, anthropometric, dietary, health, and reproductive history data. Biological samples will be collected at baseline, midpoint, and endpoint. Whole blood will be analyzed for hemoglobin using Coulter Counter. Total vitamin B12 will be measured by chemiluminescence; red blood cell folate and serum folate will be evaluated using the World Health Organization-recommended microbiologic assay. Conclusions: The results of this randomized trial will help to evaluate the efficacy of QFS to prevent anemia and micronutrient deficiencies. Clinical trial registration numbers: NCT03853304 and Clinical Trial Registry of India REF/2019/03/024479. Registration number: NCT03853304 and REF/2019/03/024479. © 2023 The Author(s) |
The role of emergency incident type in identifying first responders' health exposure risks
Haas EJ , Yoon KN , Furek A , Casey M , Moore SM . J Saf Sci Resilience 2023 4 (2) 167-173 Fire-based emergency management service (EMS) personnel are dispatched to various incidents daily, many of which have unique occupational risks. To fully understand the variability of incident types and how to best prepare and respond, an exploration of the U.S. coding system of incident types is necessary. This study uses potential exposure to SARS-CoV-2 as a case example to understand if and how coding categories for incident call types may be updated to improve data standardization and emergency response decision making. Researchers received emergency response incident data generated by three fire department computer-aided dispatch (CAD) systems between March and September 2020. Each incident was labeled EMS, Fire, or Other. Of the 162,766 incidents, approximately 8.1% (n = 13,144) noted potential SARS-CoV-2 exposure within their narrative descriptions of which 86.3% were coded as EMS, 9.9% as Fire, and 3.9% as Other. To assess coding variability across incident types, researchers used the original 3-incident type variable and a new 5-incident type variable reassigned by researchers into EMS, Fire, Other, Hazmat, and Motor Vehicle. Logit regressions compared differences in potential exposure using the 3- and 5-incident type variables. When evaluating the 3-incident type variable, those responding to a Fire versus an EMS incident were 84% less likely to be associated with potential exposure to SARS-CoV-2. For the 5-incident type variable, those responding to Fire incidents were 77% less likely to be associated with a potential exposure than those responding to EMS incidents. Changes in potential exposure between the 3- and 5-incident type models show the need to understand how incident types are assigned. This demonstrates the need for data standardization to accurately categorize incident types to improve emergency preparedness and response. Results have implications for incident type coding at fire department municipality and national levels. |
Exploring perceptions of U.S. Healthcare & Public Safety Workers at the Onset of the COVID-19 Pandemic
Haas EJ , Casey ML , Furek A , Moore SM . Prof Saf 2022 67 (5) 16-21 There is a gap in research associated with emerging infectious diseases and the role that individual perceptions have on attitudes and health-protective behaviors. NIOSH researchers sought to understand healthcare and emergency medical services (EMS) workers’ perceived risks toward SARS-CoV-2 and what factors may significantly influence subsequent health-protective behaviors. Between March and May 2020, 122 healthcare and EMS workers completed an assessment on a mobile safety application provided by their workplace. The results inform organizational practices regarding COVID-19 information sharing. First, it is important that all employees have access to information about respiratory protection as well as organizational resources such as their updated respiratory protection plans that may influence health-protective behaviors at work. Second, messaging for employees with individualistic attitudes may significantly differ and more research should be done to determine whether science-based consensus messages are the most effective risk communication strategy. |
Using core elements of health and safety management systems to support worker well-being during technology integration
Haas EJ , Cauda E . Int J Environ Res Public Health 2022 19 (21) Research studying the intersection of occupational safety and health (OSH) and direct reading and sensor technologies (DRST) is sparse, with a specific lack of research available that has empirically considered ways that DRST may impact worker well-being. In this paper, the authors examine how organizations could utilize core elements of their health and safety management system (HSMS) to coordinate and execute DRST in the workplace to support worker well-being. National Institute for Occupational Safety and Health (NIOSH) researchers developed a 39-item questionnaire targeting OSH professionals to understand attitudes toward DRST and the current and intended uses of DRST at their place of employment. Eighty-eight OSH professionals completed the questionnaire between August and December 2021. Descriptive results of the study sample are provided but the focus of the study applies the open-ended responses to two questions, which was deductively analyzed. Descriptive results show that reliability and validity of data was a top concern while the open-ended qualitative feedback revealed three primary themes: (1) acceptability and trust in technology; (2) ease of use; and (3) support and guidelines. Results provide an opening to use core HSMS elements (i.e., management commitment and leadership, communication and coordination, and employee involvement) during DRST integration to demonstrate support for workers during times of ambiguity and change. |
Prevalence of and factors associated with late diagnosis of HIV in Malawi, Zambia, and Zimbabwe: results from population-based nationally representative surveys
Haas AD , Radin E , Birhanu S , Low AJ , Saito S , Sachathep K , Balachandra S , Manjengwa J , Duong YT , Jonnalagadda S , Payne D , Bello G , Hakim AJ , Smart T , Ahmed N , Cuervo-Rojas J , Auld A , Hetal Patel , Parekh B , Williams DB , Barradas DT , Mugurungi O , Mulenga LB , Voetsch AC , Justman JE . PLoS Glob Public Health 2022 2 (2) e0000080 Introduction: Late diagnosis of HIV (LD) increases the risk of morbidity, mortality, and HIV transmission. We used nationally representative data from population-based HIV impact assessment (PHIA) surveys in Malawi, Zambia, and Zimbabwe (2015-2016) to characterize adults at risk of LD and to examine associations between LD and presumed HIV transmission to cohabiting sexual partners. |
Discordant results of Xpert MTB/Rif assay and BACTEC MGIT 960 liquid culture to detect Mycobacterium tuberculosis in community screening in Vietnam.
Nguyen Hai Viet, de Haas Petra, Nguyen Hoa Binh, Nguyen Nhung Viet, Cobelens Frank G J, Mirtskhulava Veriko, Finlay Alyssa, Van Nguyen Hung, Huyen Pham T T, Tiemersma Edine W. BMC infectious diseases 2022 22(1) 506 . BMC infectious diseases 2022 22(1) 506 Nguyen Hai Viet, de Haas Petra, Nguyen Hoa Binh, Nguyen Nhung Viet, Cobelens Frank G J, Mirtskhulava Veriko, Finlay Alyssa, Van Nguyen Hung, Huyen Pham T T, Tiemersma Edine W. BMC infectious diseases 2022 22(1) 506 |
Exploring worker experience as a predictor of routine and non-routine safety performance outcomes in the mining industry
Hoebbel CL , Haas EJ , Ryan ME . Min Metall Explor 2022 39 485-494 In recent years, there has been increasing interest in the role that individual factors play in health and safety (H&S) outcomes in the mining industry. Two surveys, one measuring self-reported routine safety performance and one measuring individual perceived competence in the non-routine knowledge, skills, and abilities (KSAs) critical to emergency response, were administered to two samples of mineworkers in separate research studies over a 2-year period (N = 2,020 and 696, respectively). Eight demographic items were common to both surveys and their associations with each performance outcome were tested in response to a series of exploratory research questions. Significant relationships were found between both safety outcome variables and individual factors, including the length of experience in current job, current mine, and mining industry, as well as participant workgroup and work schedule. Notably, the length of experience in the mining industry was the only variable significantly associated with both routine and non-routine safety performance. This analysis suggests that individual factors such as length of job, industry, and mine experience are predictive of routine and/or non-routine safety performance outcomes in significant and sometimes unexpected ways. © 2022, This is a U.S. government work and not under copyright protection in the U.S.; foreign copyright protection may apply. |
Lessons Learned from the Development and Demonstration of a PPE Inventory Monitoring System for US Hospitals
Haas EJ , Casey ML , Furek A , Aldrich K , Ragsdale T , Crosswy S , Moore SM . Health Secur 2021 19 (6) 582-591 An international system should be established to support personal protective equipment (PPE) inventory monitoring, particularly within the healthcare industry. In this article, the authors discuss the development and 15-week deployment of a proof-of-concept prototype that included the use of a Healthcare Trust Data Platform to secure and transmit PPE-related data. Seventy-eight hospitals participated, including 66 large hospital systems, 11 medium-sized hospital systems, and a single hospital. Hospitals reported near-daily inventory information for N95 respirators, surgical masks, and face shields, ultimately providing 159 different PPE model numbers. Researchers cross-checked the data to ensure the PPE could be accurately identified. In cases where the model number was inaccurately reported, researchers corrected the numbers whenever possible. Of the PPE model numbers reported, 74.2% were verified-60.5% of N95 respirators, 40.0% of face shields, and 84.0% of surgical masks. The authors discuss the need to standardize how PPE is reported, possible aspects of a PPE data standard, and standards groups who may assist with this effort. Having such PPE data standards would enable better communication across hospital systems and assist in emergency preparedness efforts during pandemics or natural disasters. |
Racial and ethnic disparities in HIV diagnoses among heterosexually active persons in the United States nationally and by state, 2018
Martin EG , Ansari B , Hart-Malloy R , Smith DK , Delaney KP , Gift TL , Berruti AA , Trigg M , Rosenberg ES . PLoS One 2021 16 (9) e0257583 BACKGROUND: Despite declining HIV infection rates, persistent racial and ethnic disparities remain. Appropriate calculations of diagnosis rates by HIV transmission category, race and ethnicity, and geography are needed to monitor progress towards reducing systematic disparities in health outcomes. We estimated the number of heterosexually active adults (HAAs) by sex and state to calculate appropriate HIV diagnosis rates and disparity measures within subnational regions. METHODS: The analysis included all HIV diagnoses attributed to heterosexual transmission in 2018 in the United States, in 50 states and the District of Columbia. Logistic regression models estimated the probability of past-year heterosexual activity among adults in three national health surveys, by sex, age group, race and ethnicity, education category, and marital status. Model-based probabilities were applied to estimated counts of HAAs by state, which were synthesized through meta-analysis. HIV diagnoses were overlaid to calculate racial- and ethnic-specific rates, rate differences (RDs), and rate ratios (RRs) among HAAs by sex and state. RESULTS: Nationally, HAA women have a two-fold higher HIV diagnosis rate than HAA men (rate per 100,000 HAAs, women: 6.57; men: 3.09). Compared to White non-Hispanic HAAs, Black HAAs have a 20-fold higher HIV diagnosis rate (RR, men: 21.28, women: 19.55; RD, men: 15.40, women: 31.78) and Hispanic HAAs have a 4-fold higher HIV diagnosis rate (RR, men: 4.68, RD, women: 4.15; RD, men: 2.79, RD, women: 5.39). Disparities were ubiquitous across regions, with >75% of states in each region having Black-to-White RR ≥10. CONCLUSION: The racial and ethnic disparities across regions suggests a system-wide failure particularly with respect to preventing HIV among Black and Hispanic women. Pervasive disparities emphasize the role for coordinated federal responses such as the current Ending the HIV Epidemic (EHE) initiative. |
Applying the Social Vulnerability Index as a Leading Indicator to Protect Fire-Based Emergency Medical Service Responders' Health.
Haas EJ , Furek A , Casey M , Yoon KN , Moore SM . Int J Environ Res Public Health 2021 18 (15) During emergencies, areas with higher social vulnerability experience an increased risk for negative health outcomes. However, research has not extrapolated this concept to understand how the workers who respond to these areas may be affected. Researchers from the National Institute for Occupational Safety and Health (NIOSH) merged approximately 160,000 emergency response calls received from three fire departments during the COVID-19 pandemic with the CDC’s publicly available Social Vulnerability Index (SVI) to examine the utility of SVI as a leading indicator of occupational health and safety risks. Multiple regressions, binomial logit models, and relative weights analyses were used to answer the research questions. Researchers found that higher social vulnerability on household composition, minority/language, and housing/transportation increase the risk of first responders’ exposure to SARS-CoV-2. Higher socioeconomic, household, and minority vulnerability were significantly associated with response calls that required emergency treatment and transport in comparison to fire-related or other calls that are also managed by fire departments. These results have implications for more strategic emergency response planning during the COVID-19 pandemic, as well as improving Total Worker Health® and future of work initiatives at the worker and workplace levels within the fire service industry. © 2021 by the authors. Licensee MDPI, Basel, Switzerland. |
Decline of tuberculosis burden in Vietnam measured by consecutive national surveys, 2007-2017
Nguyen HV , Nguyen HB , Nguyen NV , Cobelens F , Finlay A , Dao CH , Mirtskhulava V , Glaziou P , Pham HTT , de Haas P , Tiemersma E . Emerg Infect Dis 2021 27 (3) 872-879 Vietnam, a high tuberculosis (TB) burden country, conducted national TB prevalence surveys in 2007 and 2017. In both surveys participants were screened by using a questionnaire and chest radiograph; sputum samples were then collected to test for Mycobacterium tuberculosis by smear microscopy and Löwenstein-Jensen culture. Culture-positive, smear-positive, and smear-negative TB cases were defined by laboratory results, and the prevalence of tuberculosis was compared between the 2 surveys. The results showed prevalence of culture-positive TB decreased by 37% (95% CI 11.5%-55.4%), from 199 (95% CI 160-248) cases/100,000 adults in 2007 to 125 (95% CI 98-159) cases/100,000 adults in 2017. Prevalence of smear-positive TB dropped by 53% (95% CI 27.0%-69.7%), from 99 (95% CI 78-125) cases/100,000 adults to 46 (95% CI 32-68) cases/100,000 adults; smear-negative TB showed no substantial decrease. Replacing microscopy with molecular methods for primary diagnostics might enhance diagnosis of pulmonary TB cases and further lower TB burden. |
Behavioral Safety Compliance in an Interdependent Mining Environment: Supervisor Communication, Procedural Justice, and the Mediating Role of Coworker Communication
Haas EJ , Yorio PL . Int J Occup Saf Ergon 2021 28 (3) 1-29 Purpose. Although a focus on safety communication between managers and employees has been prevalent, research around coworker influence in this communication has been fragmented in the literature. Methods. To examine these issues, researchers gathered survey data from 1,955 mine employees from surface stone, sand, and gravel (SSG) and industrial mineral operations across the United States between 2016 and 2018 and studied the relationships between justice perceptions, supervisor communication, and coworker communication on behavioral safety compliance. Results. Using structural equation modeling, coworker communication partially mediated the direct effects of supervisor communication and justice perceptions on behavioral safety compliance-where the indirect effects were greater for justice perceptions. Conclusion. The results demonstrate the value in formal and informal communication paths to facilitate employee safety compliance; and that enhanced perceptions of job fairness and adaptability enhances coworker communication, further improving compliance in an interdependent environment.Author Note:Emily J. Haas ORCID ID: https://orcid.org/0000-0001-5128-470X, Emily J. Haas is a Senior Research Behavioral Scientist at the National Institute for Occupational Safety and Health, Pittsburgh Mining Research Division. Patrick L. Yorio is a Statistician at the National Institute for Occupational Safety and Health, National Personal Protective Technology Laboratory. We have no known conflict of interest to discloseDisclaimerThe findings and conclusions in this article are those of the authors and do not necessarily represent the official position of the National Institute for Occupational Safety and Health, Centers for Disease Control and Prevention. Mention of any company or product does not constitute endorsement by NIOSH. |
Exploring the differences in safety climate among mining sectors
Haas EJ , Yorio PL . Min Metall Explor 2021 38 (1) 655-668 Currently, the US mining industry is encouraged, but not required to adopt a formal health and safety management system. Previous research has shown that the adoption of such systems has been more difficult in some subsectors of the mining industry than others. Given the interdependencies between management systems and safety climate in addition to their predictive utility of incidents, it is important to assess differences in the perceptions of safety climate among mining subsectors in the USA. If significant differences exist, then mining subsectors may not necessarily be able to adopt a one-size approach to system implementation. To that end, the National Institute for Occupational Safety and Health assessed mineworkers’ perceptions of several individual and organizational safety climate constructs. Participants consisted of 2945 mineworkers at coal, industrial mineral, and stone/sand/gravel mine sites throughout 18 states. Linear regressions were used to answer the research question. The results suggest that coal miners, in comparison to those miners in industrial mineral and stone/sand/gravel sectors, had significantly less favorable perceptions on each of the organizational climate constructs measured (i.e., organizational support, supervisor support and communication, coworker communication, engagement/involvement, and training) (p < 0.001 in all cases). Importantly, these results parse out organizational indicators to show that perceptions are not only lower in one area of organizational or supervisor support. Rather, engagement, training, and communication practices were all significantly lower among coal miners, prompting considerations for these significant differences and actions that can be taken to improve system practices. |
Linezolid use for the treatment of multidrug-resistant tuberculosis, TB centers of excellence, United States, 2013-2018
McDowell A , Haas M , Seaworth B , Wilson JW , Patrawalla A , Haley C , Lauzardo M , de Bruyn M , Goswami ND . J Clin Tuberc Other Mycobact Dis 2021 22 100201 BACKGROUND: In 2019, the World Health Organization released guidelines reflecting major changes in multidrug-resistant tuberculosis (MDR-TB) management-prioritizing fluoroquinolones, bedaquiline, and linezolid (LZD) while de-emphasizing previously favored injectable agents. In some cases, linezolid use is associated with gastrointestinal intolerance, mitochondrial toxicity, and significant drug interactions. CDC's Division of Tuberculosis Elimination supports a network of regional TB Centers of Excellence, which provide medical consultation to healthcare providers. Consultations are documented in a medical consultation database (MCD) enabling evaluation of management questions and recommendations. We describe the scope of clinical inquiries and responses specific to linezolid use for MDR-TB in the US. RESEARCH QUESTION: What are the major themes of provider and patient challenges regarding the use of linezolid for the treatment of MDR-TB in the US? METHODS: We queried MCD consults categorized as "MDR/XDR-TB" from 1/1/2013 to 12/31/2018. Only linezolid-specific consultations were included; incomplete and duplicate entries were excluded as were those citing linezolid historically or theoretically. Subgroup characteristics were assessed (e.g., Center, year, provider type). A descriptive coding scheme was developed through inductive thematic analysis. RESULTS: In 2013-2018 of the 1889 consults regarding MDR/XDR-TB, 934 MDR-TB consults referenced linezolid; 137 met inclusion criteria, representing between 4 and 10% of MDR-TB consults annually. Four main themes emerged: adverse effects (71.5%); concerns about linezolid use due to co-morbidities or concurrent medication use (15.3%); dosing adjustments (8.8%); and monitoring and maintenance logistics (4.4%). INTERPRETATIONS: Linezolid consults consistently exceeded 4% of all consults annually over the 6-year period, suggesting a need for access to expert opinion for providers using linezolid to manage MDR-TB. While only a snapshot of MDR-TB in the US, this evaluation summarizes major provider concerns regarding particular adverse effects, and highlights a need for evidence-based guidance regarding linezolid dosing and toxicity management. |
Prevalence of nonsuppressed viral load and associated factors among HIV-positive adults receiving antiretroviral therapy in Eswatini, Lesotho, Malawi, Zambia and Zimbabwe (2015 to 2017): results from population-based nationally representative surveys
Haas AD , Radin E , Hakim AJ , Jahn A , Philip NM , Jonnalagadda S , Saito S , Low A , Patel H , Schwitters AM , Rogers JH , Frederix K , Kim E , Bello G , Williams DB , Parekh B , Sachathep K , Barradas DT , Kalua T , Birhanu S , Musuka G , Mugurungi O , Tippett Barr BA , Sleeman K , Mulenga LB , Thin K , Ao TT , Brown K , Voetsch AC , Justman JE . J Int AIDS Soc 2020 23 (11) e25631 INTRODUCTION: The global target for 2020 is that ≥90% of people living with HIV (PLHIV) receiving antiretroviral therapy (ART) will achieve viral load suppression (VLS). We examined VLS and its determinants among adults receiving ART for at least four months. METHODS: We analysed data from the population-based HIV impact assessment (PHIA) surveys in Eswatini, Lesotho, Malawi, Zambia and Zimbabwe (2015 to 2017). PHIA surveys are nationally representative, cross-sectional household surveys. Data collection included structured interviews, home-based HIV testing and laboratory testing. Blood samples from PLHIV were analysed for HIV RNA, CD4 counts and recent exposure to antiretroviral drugs (ARVs). We calculated representative estimates for the prevalence of VLS (viral load <1000 copies/mL), nonsuppressed viral load (NVL; viral load ≥1000 copies/mL), virologic failure (VF; ARVs present and viral load ≥1000 copies/mL), interrupted ART (ARVs absent and viral load ≥1000 copies/mL) and rates of switching to second-line ART (protease inhibitors present) among PLHIV aged 15 to 59 years who participated in the PHIA surveys in Eswatini, Lesotho, Malawi, Zambia and Zimbabwe, initiated ART at least four months before the survey and were receiving ART at the time of the survey (according to self-report or ARV testing). We calculated odds ratios and incidence rate ratios for factors associated with NVL, VF, interrupted ART, and switching to second-line ART. RESULTS: We included 9200 adults receiving ART of whom 88.8% had VLS and 11.2% had NVL including 8.2% who experienced VF and 3.0% who interrupted ART. Younger age, male sex, less education, suboptimal adherence, receiving nevirapine, HIV non-disclosure, never having married and residing in Zimbabwe, Lesotho or Zambia were associated with higher odds of NVL. Among people with NVL, marriage, female sex, shorter ART duration, higher CD4 count and alcohol use were associated with lower odds for VF and higher odds for interrupted ART. Many people with VF (44.8%) had CD4 counts <200 cells/µL, but few (0.31% per year) switched to second-line ART. CONCLUSIONS: Countries are approaching global VLS targets for adults. Treatment support, in particular for younger adults, and people with higher CD4 counts, and switching of people to protease inhibitor- or integrase inhibitor-based regimens may further reduce NVL prevalence. |
Lagging or leading Exploring the temporal relationship among lagging indicators in mining establishments 2006-2017
Yorio PL , Haas EJ , Bell JL , Moore SM , Greenawald LA . J Safety Res 2020 74 179-185 PROBLEM: Safety management literature generally categorizes key performance indicators (KPIs) as either leading or lagging. Traditional lagging indicators are measures related to negative safety incidents, such as injuries, while leading indicators are used to predict (and therefore can be used to prevent) the likelihood of future negative safety incidents. Recent theory suggests that traditional lagging indicators also possess characteristics of leading indicators, and vice versa, however empirical evidence is limited. METHOD: The current research investigated the temporal relationships among establishment-level injuries, near misses, and fatal events using injury and employment data from a sample of 24,910 mining establishments over a 12-year period. RESULTS: While controlling for employee hours worked, establishment-level reported injuries and near misses were associated with of future fatal events across the sample of mines and over the time period studied. Fatal events were also associated with increases in future reported near misses, providing evidence of a cyclic relationship between them. DISCUSSION: These findings challenge the strict categorization of injuries, near misses, and fatal events as lagging indicators. Practical applications: Understanding the KPIs that should be used to manage organizational safety, and how they can be used, is of critical practical importance. The results of the current study suggest that, depending on several considerations, metrics tied to negative safety incidents may be used to anticipate, and possibly prevent, future negative safety events. |
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