Last data update: May 20, 2024. (Total: 46824 publications since 2009)
Records 1-6 (of 6 Records) |
Query Trace: Zytnick D[original query] |
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Wearable activity monitor use is associated with the aerobic physical activity guidelines and walking among older adults
Zytnick D , Kumar GS , Folta SC , Reid KF , Tybor D , Chomitz VR . Am J Health Promot 2021 35 (5) 679-687 PURPOSE: To examine wearable activity monitor (WAM) use and its association with meeting the 2008 aerobic Physical Activity Guidelines (PAG) and walking among older adults. DESIGN: Cross-sectional. SETTING: FallStyles 2015 national consumer panel survey. SAMPLE: 1,317 U.S. adults aged ≥ 60 years. MEASURES: Self-reported WAM use, meeting aerobic PAG, and walking. Covariates included age, sex, race/ethnicity, education level, marital status, annual household income, and geographic region of the country. ANALYSIS: Chi-square tests to examine associations between WAM use and respondent demographic characteristics. Logistic regressions to explore associations between WAM use and meeting aerobic PAG and walking adjusted for demographics (e.g., education, income). RESULTS: Among older adults, 8.0% were current WAM users and 11.3% were past WAM users. Current WAM use was most prevalent among those aged 65-74 (16.6%), females (9.4%), college graduates (13.8%), and those with incomes $75,000-$99,999 (14.8%). Current WAM users were more likely than never WAM users to report meeting aerobic PAG (OR: 3.98; 95% CI: 2.07, 7.66) and walking (OR: 3.90; 95% CI: 1.57, 9.69). Past and never WAM use were not associated with meeting aerobic PAG or walking. CONCLUSION: We found current WAM use is associated with meeting the aerobic PAG and walking among older adults. Further longitudinal research is needed to understand whether WAM could promote increased PA among older adults. |
Differences in food and beverage marketing policies and practices in US school districts, by demographic characteristics of school districts, 2012
Merlo CL , Michael S , Brener ND , Coffield E , Kingsley BS , Zytnick D , Blanck H . Prev Chronic Dis 2016 13 E169 INTRODUCTION: Foods and beverages marketed in schools are typically of poor nutritional value. School districts may adopt policies and practices to restrict marketing of unhealthful foods and to promote healthful choices. Students' exposure to marketing practices differ by school demographics, but these differences have not yet been examined by district characteristics. METHODS: We analyzed data from the 2012 School Health Policies and Practices Study to examine how food and beverage marketing and promotion policies and practices varied by district characteristics such as metropolitan status, size, and percentage of non-Hispanic white students. RESULTS: Most practices varied significantly by district size: a higher percentage of large districts than small or medium-sized districts restricted marketing of unhealthful foods and promoted healthful options. Compared with districts whose student populations were majority (>50%) non-Hispanic white, a higher percentage of districts whose student populations were minority non-Hispanic white (≤50% non-Hispanic white) prohibited advertising of soft drinks in school buildings and on school grounds, made school meal menus available to students, and provided families with information on school nutrition programs. Compared with suburban and rural districts, a higher percentage of urban districts prohibited the sale of soft drinks on school grounds and used several practices to promote healthful options. CONCLUSION: Preliminary findings showing significant associations between district demographics and marketing policies and practices can be used to help states direct resources, training, and technical assistance to address food and beverage marketing and promotion to districts most in need of improvement. |
Knowledge of sugar content of sports drinks is not associated with sports drink consumption
Zytnick D , Park S , Onufrak SJ , Kingsley BS , Sherry B . Am J Health Promot 2015 30 (2) 101-8 PURPOSE: To examine U.S. adult knowledge of the sugar content of sports drinks and whether this knowledge and other characteristics are associated with their sports drink consumption. DESIGN: Nonexperimental. SETTING: Nationally representative 2011 Summer ConsumerStyles survey data. SUBJECTS: 3929 U.S. adults. MEASURES: The outcome variable was sports drink consumption in the past 7 days. The main exposure variable was knowledge about sports drinks containing sugar. The covariates were sociodemographic characteristics, physical activity, and weight status. ANALYSIS: Multivariable logistic regression analysis was used to estimate adjusted odds ratios (ORs) for adults consuming sports drinks ≥1 times/wk after controlling for other characteristics. RESULTS: Approximately 22% of adults reported consuming sports drinks ≥1 times/wk. Most adults (71%) agreed that sports drinks contain sugar; however, this agreement was not significantly associated with adults' sports drink consumption. The odds of drinking sports drinks ≥1 times/wk were significantly higher among younger adults aged 18 to 64 years (OR range: 5.46-2.71), males (OR = 2.09), high-school graduates (OR = 1.52), and highly active adults (OR = 2.09). CONCLUSION: There were disparities in sports drink consumption by sociodemographic characteristics and physical activity level; however, knowledge of sports drinks' sugar content was not associated with consumption. Understanding why some population groups are higher consumers may assist in the development of education, providing those groups with a better understanding of sports drinks' nutritional value and health consequences of excessive sugar consumption in any form. |
Child and caregiver attitudes about sports drinks and weekly sports drink intake among U.S. youth
Zytnick D , Park S , Onufrak SJ . Am J Health Promot 2016 30 (3) e110-9 Purpose To examine caregiver and youth attitudes about sports drinks (SDs) and the association of those attitudes with youth SD intake. Design Study design was cross-sectional. The online YouthStyles survey was sent to youth (ages 12-17 years) whose caregivers completed the online Summer ConsumerStyles survey for adults. Setting The 2011 Styles survey data comprised the setting. Subjects The sample was composed of 815 U.S. caregiver-youth dyads. Measures The outcome variable is youth SD consumption, and exposure variables are youth and caregivers' attitudes that SDs are healthy for children, and caregivers' attitude that children need SDs for hydration. Covariates are youth demographic and physical activity variables. Analysis Multivariable logistic regression was used to estimate adjusted odds ratios (ORs) for youth SD consumption one or more times per week after controlling for covariates. Results About one in five youth consumed SDs one or more times per week. Caregiver attitudes about the healthfulness of SDs and children's need of SDs for hydration both significantly differed by race and caregiver education level. The odds of youth SD consumption one or more times per week were significantly higher among youth of caregivers who agreed that SDs are good, healthy drinks for children (OR, 2.72 vs. disagreed) and among youth of caregivers who agreed that children need SDs for hydration (OR, 3.15 vs. disagreed). Youth attitude about SD healthfulness was not associated with intake. Conclusion Caregivers, particularly minority and less educated caregivers, may need more education about SD use. |
Self-reported advertising exposure to sugar-sweetened beverages among US youth
Kumar G , Onufrak S , Zytnick D , Kingsley B , Park S . Public Health Nutr 2014 18 (7) 1-7 OBJECTIVE: According to the Federal Trade Commission, in 2009, the top food category with teen-directed marketing expenditures was sugar-sweetened beverages (SSB). The present study reports on exposure to SSB advertisements using self-report data from adolescents. DESIGN: Cross-sectional study design using descriptive statistics to assess self-reported frequency of exposure to SSB advertisements and multivariable logistic regression to examine associations between frequency of SSB advertising exposure and sociodemographic variables. SETTING: Online survey conducted at home. SUBJECTS: US adolescents aged 12-17 years (n 847). RESULTS: Among the surveyed adolescents, 42 % to 54 % reported seeing/hearing SSB advertisements ≥1 time/d. Those aged 14-15 years were more likely to report seeing/hearing soda, sports drink and energy drink advertisements ≥1 time/d than 16- to 17-year-olds. Males were more likely to report seeing/hearing sports drink advertising ≥1 time/d than females. Non-Hispanic black adolescents were more likely to report seeing/hearing fruit drink and sports drink advertisements ≥1 time/d than non-Hispanic white adolescents. Adolescents whose parents had high-school education or less were more likely to report seeing/hearing soda, fruit drink and energy drink advertisements ≥1 time/d than adolescents whose parents were college graduates. CONCLUSIONS: Almost half of the adolescents sampled reported daily SSB advertising exposure, with higher exposure among African Americans and adolescents with less educated parents. These data can help inform potential actions that decision makers might take, such as education of adolescents and their caregivers on the potential impact of beverage advertising, especially among groups at higher risk for obesity. |
Caregiver and adolescent responses to food and beverage marketing exposures through an online survey
Kumar G , Zytnick D , Onufrak S , Harris JL , Wethington H , Kingsley B , Park S . Child Obes 2014 10 (1) 64-71 BACKGROUND: The Institute of Medicine noted that current food and beverage marketing practices promote unhealthful diets. However, little public health research has been conducted on food marketing directed toward adolescents, especially using caregiver- and adolescent-reported data. METHODS: We assessed perceived frequency of food/beverage advertising exposure and common locations of food/beverage marketing exposure for adolescents using 2012 Summer ConsumerStyles and YouthStyles survey data on US adults ≥18 years of age and their children ages 12-17 (n=847), respectively. Exposure to advertisements for fast food, soda, fruit drinks, sports drinks, energy drinks, and bottled water were categorized as <1 time/week, 1-6 times/week, and ≥1 time/day, and don't know. Weighted chi-square tests were used to examine the difference between caregivers' and adolescents' responses. RESULTS: The majority of caregivers and adolescents reported that adolescents viewed advertisements ≥1 time/day across all food/beverage categories with the highest, at least daily, exposure reported for fast food. Caregivers more frequently reported that adolescents viewed all food/beverage advertisements ≥1 time/day than the adolescents reported (chi-square tests, p<0.0001). Both caregivers and adolescents reported that the adolescents view food/beverage marketing most frequently on television followed by at the supermarket. CONCLUSIONS: Our study showed that adolescents reported lower frequency of food and beverage advertising exposure than their caregivers. Further research may be needed to verify self-reported exposure data on food and beverage advertising as a way to obtain data for use in research on its relationship with diet quality and obesity. |
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