Table 1 Outline of the search strategy according to the PICO framework

Population

Children zero to five years and families from socioeconomically disadvantaged or Indigenous backgrounds

Intervention

Lifestyle counseling, health education, health promotion, primary prevention, early intervention, diet or physical activity intervention, family therapy, parenting intervention

Comparison

control group (e.g. RCT), non equivalent control group (e.g. quasi-experimental design), baseline level (e.g. before and after studies)

Outcome

Anthropometric, diet, physical activity, sedentary behaviours, or parental feeding practices related to obesity (e.g. breastfeeding, timing of introduction of solids)