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Predictors of favorable growth patterns during the obesity epidemic among US school children.

ABSTRACT: To report the prevalence of favorable growth patterns, including healthy weight maintenance (HWM) and return to healthy weight (RHW) among US school-age children.A longitudinal analysis of childhood growth patterns from the Early Childhood Longitudinal Study-Kindergarten Cohort was completed (n = 9416). The primary outcome included describing the prevalence of HWM/RHW patterns using consecutive child growth data from kindergarten to fifth grades. Multivariate logistic regression was used to explore predictors of HWM/RHW. Incidence of RHW is calculated by grade level.Seventy percent (n = 6617) of children enter kindergarten at a healthy weight and approximately 70% maintained a healthy weight through fifth grade. Among overweight/obese kindergartners, only 17.1% outgrew their weight risk (RHW) by fifth grade.Fewer than 1 in 5 at-risk children outgrow their weight risk during school-age yet a majority of healthy weight children can maintain healthy weight during a critical growth period. Future work should explore additional socioecologic factors associated with favorable growth.

SUBMITTER: Hernandez RG

PROVIDER: S-EPMC4834888 | biostudies-literature | 2015 May

REPOSITORIES: biostudies-literature

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Predictors of favorable growth patterns during the obesity epidemic among US school children.

Hernandez Raquel G RG Marcell Arik V AV Garcia Janelle J Amankwah Ernest K EK Cheng Tina L TL

Clinical pediatrics 20150216 5

<h4>Objective</h4>To report the prevalence of favorable growth patterns, including healthy weight maintenance (HWM) and return to healthy weight (RHW) among US school-age children.<h4>Methods</h4>A longitudinal analysis of childhood growth patterns from the Early Childhood Longitudinal Study-Kindergarten Cohort was completed (n = 9416). The primary outcome included describing the prevalence of HWM/RHW patterns using consecutive child growth data from kindergarten to fifth grades. Multivariate lo ...[more]

PMID: 25686842

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Project description:ObjectivesSchools play an important role in promoting healthy behaviours in children and can offer perspective in the ongoing obesity epidemic. The 'Healthy Primary School of the Future' (HPSF) aims to improve children's health and well-being by enhancing school health promotion. The current study aims to assess the effect of HPSF on children's body mass index (BMI) z-score after 1 and 2 years follow-up and to investigate whether HPSF has different effects within specific subgroups of children.DesignA longitudinal quasi-experimental design.SettingFour intervention and four control schools participated; located in a low socioeconomic status region in the Netherlands.Participants1676 children (aged 4-12 years).InterventionsHPSF uses a contextual systems approach and includes health-promoting changes in the school. Central to HPSF is the provision of a daily healthy lunch and structured physical activity sessions each day. Two intervention schools implemented both changes (full HPSF), two intervention schools implemented only the physical activity change (partial HPSF).Main outcome measuresBMI z-score, determined by measurements of children's height and weight at baseline, after 1 and 2 years follow-up.ResultsThe intervention effect was significant after 1-year follow-up in the partial HPSF (standardised effect size (ES)=-0.05), not significant in the full HPSF (ES=-0.04). After 2 years follow-up, BMI z-score had significantly decreased in children of both the full HPSF (ES=-0.08) and the partial HPSF (ES=-0.07) compared with children of the control schools, whose mean BMI z-score increased from baseline to 2 years. None of the potential effect modifiers (gender, baseline study year, socioeconomic status and baseline weight status) were significant.ConclusionsHPSF was effective after 1 and 2 years follow-up in lowering children's BMI z-scores. No specific subgroups of children could be identified who benefitted more from the intervention.Trial registration numberNCT02800616.

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Predictors of favorable growth patterns during the obesity epidemic among US school children.

Publications

Predictors of favorable growth patterns during the obesity epidemic among US school children.

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