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| Prevention of overweight in preschool children: results of kindergarten-based interventions |
| Jouret B, Ahluwalia N, Dupuy M, Cristini C, Negre-Pages L, Grandjean H, Tauber M |
| International Journal of Obesity 2009 Oct;33(10):1075-1083 |
| clinical trial |
| 3/10 [Eligibility criteria: Yes; Random allocation: Yes; Concealed allocation: No; Baseline comparability: No; Blind subjects: No; Blind therapists: No; Blind assessors: No; Adequate follow-up: No; Intention-to-treat analysis: No; Between-group comparisons: Yes; Point estimates and variability: Yes. Note: Eligibility criteria item does not contribute to total score] *This score has been confirmed* |
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OBJECTIVE: Given the increasing prevalence of pediatric obesity, we evaluated two kindergarten-based strategies for reducing overweight in preschool children in the Haute-Garonne Department in France. METHODS: Kindergartens (n = 79) were randomly assigned to one of the two strategies and followed for 2 years. In the first group (epidemiologie et prevention de l'obesite infantile, EPIPOI-1), parents and teachers received basic information on overweight and health, and children underwent screening to identify those with overweight (body mass index (BMI) >= 90th percentile) or at risk for overweight (BMI between 75 and 90th percentile), who were then followed up by their physicians. EPIPOI-2 children, in addition, received kindergarten-based education to promote healthy practices related to nutrition, physical activity and sedentary behaviors. Data on control children from non-intervention kindergartens (n = 40) were retrieved from medical records at the Division of School Health. RESULTS: At baseline, groups differed significantly on age and school area (underprivileged/not). Owing to a significant interaction between school area and group, analyses were stratified by school area. At baseline, groups did not differ on overweight prevalence and BMI z-scores for any school area. After intervention, prevalence of overweight, BMI z-score and change in BMI z-score were significantly lower in intervention groups compared with controls in underprivileged areas. Using multilevel analysis adjusted for potential confounders, a significant effect on overweight prevalence at the end of the study was noted for EPIPOI-1 in underprivileged areas only (odds ratio and 95% confidence interval: 0.18 (0.07 to 0.51). In non-underprivileged areas, the gain in BMI z-score was lower in EPIPOI-2 group compared with control and EPIPOI-1. CONCLUSION: Our results suggest that simple measures involving increasing awareness on overweight and health, and periodic monitoring of weight and height with follow-up care when indicated, could be useful to reduce overweight in young children from underprivileged areas. A reinforced strategy with an education component, in addition, may be indicated in children in non-underprivileged areas.
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