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Table 2 Study characteristics

From: The impact of interventions to prevent obesity or improve obesity related behaviours in children (0–5 years) from socioeconomically disadvantaged and/or indigenous families: a systematic review

Study characteristics Number (%) studies, n = 32
Study design  
RCT or cluster RCT 21 (65.6)
Quasi-experimental 6 (18.6)
Before and after 3 (9.4)
Prospective study with non equivalent comparison group 1 (3.1)
Simulated before and after design 1 (3.1)
Quality  
High 3 (9.4)
Moderate 14 (43.8)
Low 15 (46.9)
Country where the study was conducted  
USA 22 (68.8)
UK 5 (15.6)
Brazil 2 (6.2)
Switzerland 1 (3.1)
France 1 (3.1)
Australia 1 (3.1)
Target population  
Low income families (general population) 13 (40.6)
Hispanic low income families 8 (25.0)
Preschools with high migrant population 1 (3.1)
Low income racial minority families 1 (3.1)
Black preschool children and their families 2 (6.2)
Rural low income mothers 1 (3.1)
Adolescent low income mothers 1 (3.1)
Young (<22 years) Black low income mothers 2 (6.2)
Travelling (gypsy) mothers 1 (3.1)
Indigenous – Native Indian/Alaskan Native 1 (3.1)
Indigenous – Native Indian 1 (3.1)
Delivery agents (n = 35)  
Paraprofessionals (e.g. community health workers, health educators, peer educators, facilitators) 13 (40.6)
Trained volunteers 3 (9.4)
Dietitian/nutritionist 4 (12.5)
PHC staff (physicians, nurses and medical assistants) 2 (6.2)
Nurses 1 (3.1)
Multidisciplinary team 1 (3.1)
Preschool teachers 3 (9.4)
Trained child educators 2 (6.2)
Researcher 1 (3.1)
Play professional 1 (3.1)
Video only 1 (3.1)
Unclear 1 (3.1)