Jason A Mendoza1, Tom Baranowski2, Sandra Jaramillo2, Megan D Fesinmeyer3, Wren Haaland3, Debbe Thompson2, Theresa A Nicklas2. 1. General Pediatrics, Department of Pediatrics, University of Washington School of Medicine, and Nutritional Sciences Program, University of Washington School of Public Health, Seattle, Washington; Center for Child Health, Behavior and Development, Seattle Children's Research Institute, Seattle, Washington; Health Disparities Research Center, Fred Hutchinson Cancer Research Center, Seattle, Washington. Electronic address: jason.mendoza@seattlechildrens.org. 2. USDA/ARS Children's Nutrition Research Center, Department of Pediatrics, Baylor College of Medicine, Houston, Texas. 3. Center for Child Health, Behavior and Development, Seattle Children's Research Institute, Seattle, Washington.
Abstract
INTRODUCTION: Reducing Latino preschoolers' TV viewing is needed to reduce their risk of obesity and other chronic diseases. This study's objective was to evaluate the Fit 5 Kids (F5K) TV reduction program's impact on Latino preschooler's TV viewing. STUDY DESIGN: Cluster RCT with randomization at the center level and N=160 participants. SETTING/PARTICIPANTS: Latino children aged 3-5 years and their parents were recruited from six Head Start centers in Houston TX in 2010-2012 with analyses in 2013-2014. INTERVENTION: F5K was culturally adapted for Latino preschoolers and the overall goal was to reduce TV viewing. Study staff taught F5K over 7-8 weeks during the regular Head Start day directly to intervention students. Control schools provided the usual Head Start curriculum, which did not specifically cover TV viewing. MAIN OUTCOME MEASURES: Individual-level outcomes were measured prior to (Time 1) and immediately following (Time 2) the intervention. The primary outcome, TV viewing (minutes/day), was measured by validated 7-day TV diaries (parent-reported). Sedentary time was measured by accelerometers. RESULTS: Per the adjusted repeated measures linear mixed effects model for TV viewing (minutes/day), intervention children decreased from 76.2 (9.9) at Time 1 to 52.1 (10.0) at Time 2, whereas control children remained about the same from 84.2 (10.5) at Time 1 to 85.4 (10.5) at Time 2. The relative difference from Time 1 to Time 2 was -25.3 (95% CI= -45.2, -5.4) minutes for intervention versus control children (N=160, p=0.01). In a similar adjusted model, there was a relative decrease in sedentary time (minutes/day) from Time 1 to Time 2 favoring the intervention children (-9.5, 95% CI= -23.0, 4.1), although not significant at p<0.05. CONCLUSIONS: F5K reduced Latino preschoolers' TV viewing by >25 minutes daily. These findings have implications for prevention of obesity, related disorders, and health equity. TRIAL REGISTRATION: This study is registered at www.clinicaltrials.gov NCT01216306.
RCT Entities:
INTRODUCTION: Reducing Latino preschoolers' TV viewing is needed to reduce their risk of obesity and other chronic diseases. This study's objective was to evaluate the Fit 5 Kids (F5K) TV reduction program's impact on Latino preschooler's TV viewing. STUDY DESIGN: Cluster RCT with randomization at the center level and N=160 participants. SETTING/PARTICIPANTS: Latino children aged 3-5 years and their parents were recruited from six Head Start centers in Houston TX in 2010-2012 with analyses in 2013-2014. INTERVENTION: F5K was culturally adapted for Latino preschoolers and the overall goal was to reduce TV viewing. Study staff taught F5K over 7-8 weeks during the regular Head Start day directly to intervention students. Control schools provided the usual Head Start curriculum, which did not specifically cover TV viewing. MAIN OUTCOME MEASURES: Individual-level outcomes were measured prior to (Time 1) and immediately following (Time 2) the intervention. The primary outcome, TV viewing (minutes/day), was measured by validated 7-day TV diaries (parent-reported). Sedentary time was measured by accelerometers. RESULTS: Per the adjusted repeated measures linear mixed effects model for TV viewing (minutes/day), intervention children decreased from 76.2 (9.9) at Time 1 to 52.1 (10.0) at Time 2, whereas control children remained about the same from 84.2 (10.5) at Time 1 to 85.4 (10.5) at Time 2. The relative difference from Time 1 to Time 2 was -25.3 (95% CI= -45.2, -5.4) minutes for intervention versus control children (N=160, p=0.01). In a similar adjusted model, there was a relative decrease in sedentary time (minutes/day) from Time 1 to Time 2 favoring the intervention children (-9.5, 95% CI= -23.0, 4.1), although not significant at p<0.05. CONCLUSIONS: F5K reduced Latino preschoolers' TV viewing by >25 minutes daily. These findings have implications for prevention of obesity, related disorders, and health equity. TRIAL REGISTRATION: This study is registered at www.clinicaltrials.gov NCT01216306.
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