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Interventions to prevent and manage overweight or obesity in preschool children: A systematic review
Jiying Ling1, Lorraine B Robbins2, Fujun Wen3
1Michigan State University College of Nursing, 1355 Bogue St., Room C241, East Lansing, MI 48824, United States.
Insights
Management interventions for preschool children showed greater weight loss effects than prevention strategies. Future prevention efforts should involve parents and children, focusing on physical activity and nutrition through interactive education for better outcomes.
Area of Science:
- Pediatric Obesity
- Lifestyle Interventions
- Early Childhood Health
Background:
- Preschool years are critical for establishing lifelong healthy habits.
- Overweight and obesity in young children require effective interventions.
Purpose of the Study:
- To review the impact of prevention and management interventions on overweight/obesity in children aged 2-5 years.
- To identify factors influencing intervention effectiveness.
Main Methods:
- Systematic review of randomized controlled trials.
- Searched six major academic databases.
- Data extracted and quality appraised by two independent reviewers.
Main Results:
- 32 trials involving 29 unique interventions were analyzed.
- Management interventions demonstrated greater weight loss success than prevention interventions.
- Effective interventions often included physical activity, nutrition, and parental involvement.
Conclusions:
- Management interventions are more effective for weight loss in preschool children.
- Future prevention strategies should engage both children and parents, emphasizing interactive education and hands-on activities.
- Parental involvement is key for successful lifestyle changes in children.
Objectives:
The preschool period is a pivotal time for lifestyle interventions to begin the establishment of long-term physical activity and healthy eating habits. This systematic review sought to (a) examine the effects of prevention and management interventions on overweight/obesity among children aged 2-5 years, and (b) explore factors that may influence intervention effects.
Design:
A systematic review of randomized controlled studies was conducted.
Data Sources:
Six databases, including PubMed, CINAHL, EMBASE, PsycINFO, ERIC, and Cochrane library, were searched for relevant studies.
Review Methods:
Data were extracted and checked by two reviewers. Each study was appraised based on 4 quality indicators adapted from the Cochrane Handbook for Systematic Reviews of Interventions. A narrative summary technique was used to describe the review findings.
Results:
Thirty-seven articles describing 32 randomized controlled trials and 29 unique interventions were retained. Eight of 23 prevention and 4 of 6 management interventions resulted in significant weight loss, with 3 prevention and 5 management interventions showing sustained effects over 6 to 24 months. Of the 12 efficacious interventions, 10 included physical activity and nutrition components, 9 actively involved parents, and only 4 were theory-based. Interactive education was the most common strategy used for parents in prevention interventions, compared to behavioral therapy techniques in management interventions. For children, interactive education and hands-on experiences involving physical activity and healthy eating were equally used.
Conclusions:
Management interventions showed greater effects in weight loss compared to prevention interventions. Future prevention interventions in preschool children should target both parents and children, and focus on physical activity and nutrition through interactive education and hands-on experiences, although intervention effects were less than optimal. Management interventions should focus on parents as the "agents of change" for physical activity and nutrition while integrating behavioral therapy techniques and interactive education.
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