Table 4 Number of synthesis units showing negative (-), positive ( +), and no evidence (o) of association observed between barriers and facilitators and higher levels of domain-specific physical activity

Intrapersonal factors

 Availability of personal equipment

0

4

1

0

0

1

0

2

0

 Better skills

0

0

5

0

2

0

0

0

0

 Pleasure and fun with physical activity

0

2

6

0

1

0

0

1

0

 Higher motivation and having goals

0

1

11

0

2

0

0

0

1

 Lack of time and presence of concurrent behaviours

8

1

0

2

1

0

1

0

0

 Lower costs

1

0

2

0

1

0

0

0

0

 More positive beliefs about capabilities

0

6

7

0

2

0

0

0

0

 More positive beliefs about consequences

0

3

18

0

2

7

0

0

0

 More/Better knowledge

0

2

6

0

0

0

0

0

0

 Negative emotions

7

1

0

3

2

0

0

0

0

 Positive past experiences

0

4

3

0

0

1

0

0

0

 Worse health condition

7

2

0

0

1

0

1

0

0

Social environment and interpersonal factors

 Better/More positive general social support

0

5

12

0

3

2

0

0

1

 Better/More positive social norms

0

4

5

0

7

5

1

0

0

 Better/More positive support from family

0

6

11

0

4

0

0

0

0

 Better/More positive support from friends

0

4

6

0

2

1

0

0

0

 Better/More positive support from others

0

2

1

0

3

0

0

1

0

 Higher physical activity of friends and family

0

3

1

0

0

0

0

0

0

 Worse perceived safety

6

14

0

12

12

0

0

2

0

Built environment factors

 Better general urban design and built environment

0

8

5

1

10

12

0

2

2

 Better land use mix

0

5

1

0

4

5

0

0

0

 Better quality and condition of places

0

15

11

0

9

6

0

12

8

 Better road safety

0

8

5

0

14

9

0

0

0

 Better street connectivity

0

4

2

0

6

5

0

0

0

 Better public transport provision

0

2

6

0

6

4

0

0

0

 Better walkability

0

8

2

0

1

7

0

0

0

 Existence of active travel infrastructure

0

13

7

0

17

12

0

0

1

 Existence of facilities within places

0

24

11

0

5

11

8

55

12

 Existence of, shorter distance to, and better access to places

0

20

11

0

17

17

0

0

1

Programmatic factors

 Better quality of instructors

0

1

1

0

0

0

0

0

0

 Better quality of physical activity programs

0

3

1

0

0

0

0

1

1

 Longer recess duration

0

0

0

0

0

0

0

3

2

 Participation in supervised activities

0

1

3

0

0

0

2

6

0