Last data update: May 06, 2024. (Total: 46732 publications since 2009)
Records 1-6 (of 6 Records) |
Query Trace: Yee SL[original query] |
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Lessons learnt from the applying the Centers for Disease Control and Prevention (CDC) evaluation framework to the Measles Incident Management System response, USA, 2020-2021
Jacenko S , Blough S , Grant G , Tohme R , McFarland J , Hatcher C , Goodson JL , Papania M , Pella DG , Li X , Yee SL . BMJ Glob Health 2023 8 (3) The functionality and performance of public health programmes at all levels of government play a critical role in preventing, detecting, mitigating and responding to public health threats, including infectious disease outbreaks. Multiple and concurrent outbreaks in recent years, such as COVID-19, Ebola and Zika, have highlighted the importance of documenting lessons learnt from public health responses of national and global agencies. In February 2020, the US Centers for Disease Control and Prevention (CDC) Center for Global Health (CGH) activated the Measles Incident Management System (MIMS) to accelerate the ability to detect, mitigate and respond to measles outbreaks globally and advance progress towards regional measles elimination goals. The activation was triggered by a global resurgence in reported measles cases during 2018-2019 and supported emergency response activities conducted by partner organisations and countries. MIMS leadership decided early in the response to form an evaluation team to design and implement an evaluation approach for producing real-time data to document progress of response activities and inform timely decision-making. In this manuscript, we describe how establishing an evaluation unit within MIMS, and engaging MIMS leadership and subject matter experts in the evaluation activities, was critical to monitor progress and document lessons learnt to inform decision making. We also explain the CDC's Framework for Evaluation in Public Health Practice applied to evaluate the dynamic events throughout the MIMS response. Evaluators supporting emergency response should use a flexible framework that can be adaptable in dynamic contexts and document response activities in real-time. |
Uncrewed aircraft systems versus motorcycles to deliver laboratory samples in west Africa: a comparative economic study
Ochieng WO , Ye T , Scheel C , Lor A , Saindon J , Yee SL , Meltzer MI , Kapil V , Karem K . Lancet Glob Health 2020 8 (1) e143-e151 BACKGROUND: Transportation of laboratory samples in low-income and middle-income countries is often constrained by poor road conditions, difficult geographical terrain, and insecurity. These constraints can lead to long turnaround times for laboratory diagnostic tests and hamper epidemic control or patient treatment efforts. Although uncrewed aircraft systems (UAS)-ie, drones-can mitigate some of these transportation constraints, their cost-effectiveness compared with land-based transportation systems is unclear. METHODS: We did a comparative economic study of the costs and cost-effectiveness of UAS versus motorcycles in Liberia (west Africa) for transportation of laboratory samples under simulated routine conditions and public health emergency conditions (based on the 2013-16 west African Ebola virus disease epidemic). We modelled three UAS with operational ranges of 30 km, 65 km, and 100 km (UAS30, UAS65, and UAS100) and lifespans of 1000 to 10 000 h, and compared the costs and number of samples transported with an established motorcycle transportation programme (most commonly used by the Liberian Ministry of Health and the charity Riders for Health). Data for UAS were obtained from Skyfire (a UAS consultancy), Vayu (a UAS manufacturer), and Sandia National Laboratories (a private company with UAS research experience). Motorcycle operational data were obtained from Riders for Health. In our model, we included costs for personnel, equipment, maintenance, and training, and did univariate and probabilistic sensitivity analyses for UAS lifespans, range, and accident or failures. FINDINGS: Under the routine scenario, the per sample transport costs were US$0.65 (95% CI 0.01-2.85) and $0.82 (0.56-5.05) for motorcycles and UAS65, respectively. Per-sample transport costs under the emergency scenario were $24.06 (95% CI 21.14-28.20) for motorcycles, $27.42 (95% CI 19.25-136.75) for an unadjusted UAS model with insufficient geographical coverage, and $34.09 (95% CI 26.70-127.40) for an adjusted UAS model with complementary motorcycles. Motorcycles were more cost-effective than short-range UAS (ie, UAS30). However, with increasing range and operational lifespans, UAS became increasingly more cost-effective. INTERPRETATION: Given the current level of technology, purchase prices, equipment lifespans, and operational flying ranges, UAS are not a viable option for routine transport of laboratory samples in west Africa. Field studies are required to generate evidence about UAS lifespan, failure rates, and performance under different weather conditions and payloads. FUNDING: None. |
Economic burden of informal caregiving associated with history of stroke and falls among older adults in the U.S
Joo H , Wang G , Yee SL , Zhang P , Sleet D . Am J Prev Med 2017 53 S197-s204 INTRODUCTION: Older adults are at high risk for stroke and falls, both of which require a large amount of informal caregiving. However, the economic burden of informal caregiving associated with stroke and fall history is not well known. METHODS: Using the 2010 Health and Retirement Study, data on non-institutionalized adults aged ≥65 years (N=10,129) in 2015-2017 were analyzed. Two-part models were used to estimate informal caregiving hours. Based on estimates from the models using a replacement cost approach, the authors derived informal caregiving hours and costs associated with falls in the past 2 years for stroke and non-stroke persons. RESULTS: Both the prevalence of falls overall and of falls with injuries were higher among people with stroke than those without (49.5% vs 35.1% for falls and 16.0% vs 10.3% for injurious falls, p<0.01). Stroke survivors needed more informal caregiving hours than their non-stroke counterparts, and the number of informal caregiving hours was positively associated with non-injurious falls and even more so with injurious falls. The national burden of informal caregiving (2015 U.S. dollars) associated with injurious falls amounted to $2.9 billion (95% CI=$1.1 billion, $4.7 billion) for stroke survivors (about 0.5 million people), and $6.5 billion (95% CI=$4.3 billion, $8.7 billion) for those who never had a stroke (about 3.6 million people). CONCLUSIONS: In U.S. older adults, informal caregiving hours and costs associated with falls are substantial, especially for stroke survivors. Preventing falls and fall-related injuries, especially among stroke survivors, therefore has potential for reducing the burden of informal caregiving. |
Prevalence of drink-driving among adults in China: a nationally representative survey in 2010
Xiao D , Pengpeng Y , Yichong L , Leilei D , Limin W , Shults RA , Roehler DR , Yee SL . Traffic Inj Prev 2016 18 (8) 0 OBJECTIVE: We examined the prevalence of and characteristics associated with drink-driving in China. We compared this study's drink-driving findings with those from the United States to explore how effective traffic safety interventions from Western cultures might be adapted for use in China. METHODS: Data from the 2010 China Chronic Disease and Risk Factor Survey were analyzed to describe the prevalence and characteristics associated with drink-driving in China. RESULTS: Overall, 1.5% of Chinese adults reported drink-driving in the past 30 days-3% of males and 0.1% of females. However, among males who had driven a vehicle in the past 30 days and consumed at least one alcoholic beverage in the past 30 days, 19% reported drink-driving during the 30-day period. Excessive drinking, binge drinking, nonuse of seat belts, and having been injured in a road traffic crash in the past year were most strongly associated with drink-driving among males. CONCLUSION: Drink-driving is prevalent among male drivers in China. Although large differences exist between China and the United States in the proportion of adults who drive, the proportion who consume alcohol, and some of the personal characteristics of those who drink and drive, similarities between the two countries are present in patterns of risk behaviours among drink-driving. To reduce injuries and deaths from drink-driving, effective interventions from Western cultures need to be tailored for adoption in China. |
Development of a set of indicators to evaluate Injury Control Research Centers
Runyan C , Garrettson M , Yee SL . Eval Rev 2014 38 (2) 133-159 BACKGROUND: Few methods have been defined for evaluating the individual and collective impacts of academic research centers. In this project, with input from injury center directors, we systematically defined indicators to assess the progress and contributions of individual Injury Control Research Centers (ICRCs) and, ultimately, to monitor progress of the overall injury center program. METHOD: We used several methods of deriving a list of recommended priority and supplemental indicators. This included published literature review, telephone interviews with selected federal agency staff, an e-mail survey of injury center directors, an e-mail survey of staff at the Centers for Disease Control and Prevention, a two-stage Delphi process (e-mailed), and an in-person focus group with injury center directors. We derived the final indicators from an analysis of ratings of potential indicators by center directors and CDC staff. We also examined qualitative responses to open-ended items that address conceptual and implementation issues. RESULTS: All currently funded ICRCs participated in at least one part of the process, resulting in a list of 27 primary indicators (some with subcomponents), 31 supplemental indicators, and multiple suggestions for using the indicators. CONCLUSION: Our results support an approach that combines standardized definitions and quantifiable indicators with qualitative reporting, which allows consideration of center distinctions and priorities. The center directors urged caution in using the indicators, given funding constraints and recognition of unique institutional environments. While focused on injury research centers, we suggest these indicators also may be useful to academic research centers of other types. |
Moving forward by looking back: reflecting on a decade of CDC's work in sexual violence prevention, 2000-2010
Degue S , Simon TR , Basile KC , Yee SL , Lang K , Spivak H . J Womens Health (Larchmt) 2012 21 (12) 1211-8 In 2011, the Division of Violence Prevention (DVP) within CDC's Injury Center engaged an external panel of experts to review and evaluate its research and programmatic portfolio for sexual violence (SV) prevention from 2000 to 2010. This article summarizes findings from the review by highlighting DVP's key activities and accomplishments during this period and identifying remaining gaps in the field and future directions for SV prevention. DVP's SV prevention work in the 2000s included (1) raising the profile of SV as a public health problem, (2) shifting the field toward a focus on the primary prevention of SV perpetration, and (3) applying the public health model to SV research and programmatic activities. The panel recommended that DVP continue to draw attention to the importance of sexual violence prevention as a public health issue, build on prior investments in the Rape Prevention and Education Program, support high-quality surveillance and research activities, and enhance communication to improve the link between research and practice. Current DVP projects and priorities provide a foundation to actively address these recommendations. In addition, DVP continues to provide leadership and guidance to the research and practice fields, with the goal of achieving significant reductions in SV perpetration and allowing individuals to live to their full potential. |
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