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) |