Childhood overweight: a contextual model and recommendations for future research

Area of Science:

• Pediatrics
• Public Health
• Developmental Psychology

Background:

• Childhood overweight prevalence has doubled in two decades, raising significant health and psychological concerns.
• The development of childhood overweight is influenced by a complex interplay of factors across multiple environmental contexts.
• Ecological Systems Theory (EST) provides a framework for understanding these multifaceted influences on child development.

Purpose of the Study:

• To review research on childhood overweight predictors using Ecological Systems Theory (EST) as a framework.
• To examine child characteristics (diet, physical activity, sedentary behavior) and their risk for overweight.
• To consider the impact of familial, school, community, and societal environments on childhood overweight.

Main Methods:

• Systematic review of existing research on childhood overweight predictors.
• Application of Ecological Systems Theory (EST) to categorize and analyze influencing factors.
• Synthesis of findings related to child-specific behaviors and broader environmental contexts.

Main Results:

• Child characteristics like diet, physical activity, and sedentary behavior are key predictors of overweight.
• Familial, school, community, and societal environments significantly influence these child characteristics and overweight risk.
• Interactions between individual behaviors and environmental contexts are critical in the development of childhood overweight.

Conclusions:

• Future research must adopt a broader contextual approach, utilizing frameworks like EST, to understand and combat childhood overweight.
• Interventions need to address the complex interplay of individual behaviors and environmental factors.
• A comprehensive, systems-based approach is essential for developing effective strategies against childhood overweight.