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Meta-Analysis
. 2024 Oct 12;16(20):3465.
doi: 10.3390/nu16203465.

Effectiveness of Universal Community Engagement Childhood Obesity Interventions at Improving Weight-Related and Behavioral Outcomes among Children and Adolescents: A Systematic Review and Meta-Analysis

Pei Yong Koh  1 , Joelle Yan Xin Chua  1 , Pao Yi Chan  1 , Shefaly Shorey  1
Affiliations
Meta-Analysis

Effectiveness of Universal Community Engagement Childhood Obesity Interventions at Improving Weight-Related and Behavioral Outcomes among Children and Adolescents: A Systematic Review and Meta-Analysis

Pei Yong Koh et al. Nutrients. .

Abstract

Background: Universal community engagement interventions can address childhood obesity.

Objectives: This review aimed to evaluate the effectiveness of these interventions in improving body mass index (BMI) (primary outcome) as well as dietary choices and activity levels (secondary outcomes) among children and adolescents.

Methods: Eight electronic databases were searched from inception dates to January 2024. A meta-analysis was conducted using the random-effect model, when appropriate; otherwise, the findings were narratively synthesized. Heterogeneity was determined by the I2 statistics and Cochran's Q chi-squared test. The Cochrane ROB tool and the GRADE approach were used to assess the quality appraisal at the study and outcome levels, respectively.

Results: Twenty-two studies were included in this review. The results showed that these interventions had a limited effect in improving children's standardized BMI (BMI-z) scores post-intervention. A meta-analysis on BMI-z scores showed that the intervention group had a statistically non-significantly lower BMI-z score than the control group (MD = -0.02, 95%CI = [-0.07, 0.03], Z = 0.83, p = 0.40) at immediate post-intervention. It was also reported that universal community engagement interventions had a limited effect in improving children's dietary choices and activity levels. Only the meta-analysis on children's daily sugar-sweetened beverage intake measured using continuous data reported a statistically significant small effect favoring the intervention group (SMD = -0.25, 95%CI = [-0.38, -0.13], Z = 3.98, p < 0.0001) at immediate post-intervention.

Conclusions: Universal community engagement interventions have the potential to address childhood obesity. Children and adolescents could benefit more from interventions that focus on implementing both environmental and behavioral changes, and interventions that include parental involvement.

Keywords: adolescents; childhood obesity; children; community engagement; meta-analysis; systematic review.

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Conflict of interest statement

The authors declare no conflicts of interest.

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Figure 1
PRISMA flow diagram.
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