Issues in obesity monitoring, screening and subsequent treatment

Area of Science:

• Pediatric Health
• Public Health Policy
• Epidemiology

Background:

• Childhood obesity rates continue to escalate globally, despite significant attention.
• Obesity in children often does not resolve spontaneously, yet few seek treatment.
• This review examines the evidence supporting and opposing the monitoring and screening of children's body mass index (BMI).

Purpose of the Study:

• To evaluate the effectiveness and implications of childhood BMI monitoring and screening.
• To inform policy and research priorities regarding childhood obesity interventions.

Main Methods:

• Systematic review of recent evidence on childhood BMI screening and monitoring.
• Analysis of randomized controlled trials (RCTs) on BMI outcomes.
• Consideration of feasibility, acceptability, cost, and population trends.

Main Results:

• Population screening of children's BMI is feasible and acceptable but costly, with no demonstrated improvement in BMI outcomes from RCTs.
• Childhood BMI trends are complex, with higher overweight rates in some birth cohorts not always persisting into adulthood.
• The long-term effects of increased thinness alongside overweight trends are not fully understood.

Conclusions:

• Systematic BMI monitoring, potentially using representative samples, is essential but does not require continuous individual tracking.
• BMI screening is not currently recommended due to a lack of effective management strategies for overweight/mildly obese children.
• Research efforts should focus on prevention and intervention strategies rather than population-wide screening at this time.