School-based interventions for childhood and adolescent obesity

Area of Science:

• Public Health
• Pediatrics
• Behavioral Science

Background:

• Childhood obesity is a significant public health concern.
• School settings offer a viable environment for implementing population-based interventions.

Purpose of the Study:

• To review school-based interventions for preventing childhood obesity.
• To analyze interventions published between 1999 and 2004 in the USA and UK.

Main Methods:

• Systematic review of 11 population-based interventions.
• Interventions spanned kindergarten through high school.
• Focus on physical activity and nutrition behaviors, with some targeting TV watching or beverage intake.

Main Results:

• Most interventions utilized behavioral theories, primarily social cognitive theory.
• Interventions primarily focused on individual behavior change and short-term outcomes.
• Modest behavioral changes observed, with mixed results on obesity indicators.
• TV watching was the most modifiable behavior, followed by physical activity and nutrition.

Conclusions:

• School-based interventions yield modest behavioral changes but mixed obesity outcomes.
• TV watching and physical activity modifications show promise.
• Standardized measurement of obesity indicators like BMI is recommended for future studies.