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  • Title: School Wellness Committees Are Associated With Lower Body Mass Index Z-Scores and Improved Dietary Intakes in US Children: The Healthy Communities Study.
    Author: Au LE, Crawford PB, Woodward-Lopez G, Gurzo K, Kao J, Webb KL, Ritchie LD.
    Journal: J Sch Health; 2018 Sep; 88(9):627-635. PubMed ID: 30133773.
    Abstract:
    BACKGROUND: Our objective was to examine the association between school wellness committees and implementation of nutrition wellness policies and children's weight status and obesity-related dietary outcomes. METHODS: A cross-sectional study was conducted of 4790 children aged 4-15 years recruited from 130 communities in the Healthy Communities Study. Multilevel statistical models assessed associations between school wellness policies and anthropometric (body mass index z-score [BMIz]) and nutrition measures, adjusting for child and community-level covariates. RESULTS: Children had lower BMI z-scores (-0.11, 95% confidence interval [CI]: -0.19, -0.03) and ate breakfast more frequently (0.14 days/week, 95% CI: 0.02-0.25) if attending a school with a wellness committee that met once or more in the past year compared to attending a school with a wellness committee that did not meet/did not exist. Children had lower added sugar (p < .0001), lower energy-dense foods (p = .0004), lower sugar intake from sugar-sweetened beverages (p = .0002), and lower dairy consumption (p = .001) if attending a school with similar or stronger implementation of the nutrition components of the school wellness policies compared to other schools in the district. CONCLUSIONS: A more active wellness committee was associated with lower BMI z-scores in US schoolchildren. Active school engagement in wellness policy implementation appears to play a positive role in efforts to reduce childhood obesity.
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