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Table 1 Inclusion and exclusion criteria for study selection

From: The effectiveness of pediatric obesity prevention policies: a comprehensive systematic review and dose–response meta-analysis of controlled clinical trials

  Inclusion criteria Exclusion criteria
Population Quantitative studies (e.g., randomized controlled trial, quasi-randomized trials, and cluster randomized trials)
Studies evaluating the effect of policies have been done at the macro-population level interventions to prevention childhood obesity
Children and adolescent aged 0–18 years
Population includes children 0–18 years and outcomes reported separately children 0–18 years
Target group was not children or adolescents (aged > 18 years)
Include overweight and obese children
Pregnant adolescents
Children with disabilities, health conditions (e.g. cystic fibrosis) or behavioural/learning difficulties
Studies aimed at treatment childhood obesity
Children with eating disorders/disordered eating (e.g. binge eating, bulimia) or other mental health disorders
Intervention Community-based intervention/program
Reports outcomes for children and adolescent
Include programs delivered in school (delivered as part of the curriculum or within school hours or after school programmes, changes to school environments/policies (e.g. foods available in the canteen, water fountain installation)
Include programs which are primary prevention only
Policy changes (e.g. strategies, plans)
Environmental changes or interventions—e.g. new parks, water fountain installations
Community health service; other community setting (church, sports club, NGO, councils)
Clinical studies (including drugs, single nutrients)
Include programs which are secondary prevention
Programs which involve clinical treatments (e.g. bariatric surgery)
Targets eating disorders/disordered eating (e.g. binge eating, bulimia) or other mental health disorders
Outcomes Primary or secondary outcomes include BMI or BMI z Outcomes not reported
Primary outcomes diet/healthy eating behaviours or activity-related behaviours such as physical activity
Does not report outcomes as BMI or BMI z of interest
Does not report outcomes as BMI or BMI z for children and adolescents age 0–18 years
Family outcomes only
Parent outcomes only
Time Any duration of intervention Cross-sectional/observational studies only
Setting Any country None
Study type Intervention studies (e.g. RCT, non-randomised experimental); full scale and pilot implementation studies Intervention pre-post studies without control group, small scale
Intervention not in the macro-population level
Publication year Any Any Any
Other Article/abstract in any language Abstract only
Review article
Conference abstracts
Study protocols