Table 2 Summary characteristics of included interventions (n = 97)^a

Intervention setting

 ECE intervention with parent component

25

26

 ECE intervention only

55

57

 Multi-sector (ECE, parent, community)

9

9

 Government regulation or policy

8

8

PSE approaches included ^b

 Policy

51

53

 System

53

55

 Social Environment

39

40

 Physical Environment

54

56

Number of PSE approaches

 1

42

43

 2

27

28

 3

11

11

 4

17

18

Study designs

 Randomized controlled trial

45

46

 Pre-post study

21

22

 Quasi-experimental

23

24

 Other

8

8

Comparator

 No intervention

33

34

 Delayed intervention

24

25

 No comparator

25

26

 Attention control

4

4

 Other/not described

11

11

Outcomes assessed^b

 BMI/weight

30

31

 Diet

20

21

 Physical activity

47

48

 Sedentary behavior

24

25

 Nutrition/physical activity environment

36

37