Table 2 Characteristics of articles included in the review on implementation of nutrition-related actions in school settings and LMICs

Type of nutrition action^a

 School meal

16

44

 Nutrition-related policy (coming from international (e.g., World Health Organization: Health Promoting Schools) or national level (e.g., guidelines for school meals)

10

28

 Nutrition-related education program

7

19

 Nutrition-related training for school staff

3

8

 Environmental action

1

3

 Food subsidy

1

3

 Tools to implement school meals

1

3

Country/geographical region

 Brazil

9

25

 South Africa

6

17

 Ghana

5

14

 India

3

8

 Indonesia

2

6

 Mexico

2

6

 Nepal

2

6

 Tanzania

2

6

 Cambodia, the Caribbean, China, Costa Rica, Kenya, Malaysia, Marshall Islands, Peru, the Philippines, Samoa, Sri Lanka, Thailand, Uruguay, West Bank and Gaza

1 (per country)

3

Data collection method

 Interviews

29

81

 Observation

11

31

 Focus group discussions

9

25

 Questionnaire (with open-ended questions which offered qualitative data)

7

19

 Document analysis

5

14

 Not clear

1

3

Participants of the primary article

 School staff (e.g., teachers, principals, canteen staff)

28

78

 External staff (e.g., nutritionists, suppliers)

19

53

 Children

12

33

 Parents

8

22