Shreela V Sharma1, Elizabeth Vandewater2, Ru-Jye Chuang1, Courtney Byrd-Williams3, Steven Kelder1, Nancy Butte4, Deanna M Hoelscher3. 1. 1 Department of Epidemiology, Human Genetics, and Environmental Sciences, Michael & Susan Dell Center for Healthy Living, School of Public Health, University of Texas Health Science Center at Houston, Houston, TX. 2. 2 Data Science and Research Services Unit, University of Texas at Austin, Austin, TX. 3. 3 Department of Health Promotion and Behavioral Sciences, Michael & Susan Dell Center for Healthy Living, School of Public Health, University of Texas Health Science Center at Houston, Austin, TX. 4. 4 USDA/ARS Children's Nutrition Research Center, Baylor College of Medicine, Houston, TX.
Abstract
BACKGROUND: This study presents the impact of a 2-year implementation of Coordinated Approach to Child Health Early Childhood (CATCH EC), a preschool-based healthy nutrition and physical activity program, on child BMI z-scores, BMI percentiles, diet, physical activity, and sedentary behaviors among 3- to 5-year old children across Head Start centers in Houston and Austin, Texas. METHODS: We used a quasi-experimental study design with serial cross-sectional data collection (Intervention catchment area: n = 12 centers, 353 parent-child dyads in Year 1; n = 12 centers, 365 parent-child dyads; Comparison catchment area: n = 13 centers in year 1, 319 parent child dyads; and n = 12 centers, 483 parent-child dyads in year 2). Child height and weight were measured and parent self-report surveys were conducted at year 1 (fall 2012) and year 2 (spring 2014). RESULTS: In year 1, 34.8% of the children were overweight or obese, 74% were Hispanic, and >80% reported an annual household income of <$25,000. In year 2, 32.2% were overweight or obese, 72% were Hispanic, and 82.3% reported an annual income of <$25,000. Results demonstrated significantly lower child BMI z-scores [β = -0.26 (95% confidence interval, CI: -0.50 to -0.01), p = 0.041] and BMI percentiles [β = -6.5 (95% CI: -12.4 to -0.69), p = 0.028] from year 1 to 2 follow-up among those in intervention Head Start centers, compared to those in the comparison centers. There were no significant between-group changes in child dietary, physical activity, or screen time behaviors. CONCLUSION: Implementation of a preschool-based obesity prevention program can be modestly effective in lowering the prevalence of child overweight in low-income populations.
BACKGROUND: This study presents the impact of a 2-year implementation of Coordinated Approach to Child Health Early Childhood (CATCH EC), a preschool-based healthy nutrition and physical activity program, on child BMI z-scores, BMI percentiles, diet, physical activity, and sedentary behaviors among 3- to 5-year old children across Head Start centers in Houston and Austin, Texas. METHODS: We used a quasi-experimental study design with serial cross-sectional data collection (Intervention catchment area: n = 12 centers, 353 parent-child dyads in Year 1; n = 12 centers, 365 parent-child dyads; Comparison catchment area: n = 13 centers in year 1, 319 parent child dyads; and n = 12 centers, 483 parent-child dyads in year 2). Child height and weight were measured and parent self-report surveys were conducted at year 1 (fall 2012) and year 2 (spring 2014). RESULTS: In year 1, 34.8% of the children were overweight or obese, 74% were Hispanic, and >80% reported an annual household income of <$25,000. In year 2, 32.2% were overweight or obese, 72% were Hispanic, and 82.3% reported an annual income of <$25,000. Results demonstrated significantly lower child BMI z-scores [β = -0.26 (95% confidence interval, CI: -0.50 to -0.01), p = 0.041] and BMI percentiles [β = -6.5 (95% CI: -12.4 to -0.69), p = 0.028] from year 1 to 2 follow-up among those in intervention Head Start centers, compared to those in the comparison centers. There were no significant between-group changes in child dietary, physical activity, or screen time behaviors. CONCLUSION: Implementation of a preschool-based obesity prevention program can be modestly effective in lowering the prevalence of child overweight in low-income populations.
Entities:
Keywords:
Head Start; early childhood; nutrition; obesity prevention; physical activity; preschool
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