Table 8

Summary table of results showing relation between sedentary behaviour and academic achievement

Type of Study

Number of Studies

Number of participants

Narrative recommendation and main findings


RCT

0

Longitudinal

3

3530

Watching > 1 hr of TV per day is associated with attention difficulties.

Intervention

0

Cross sectional

32

157637

> 2 hrs of screen time per day resulted in lower academic achievement.

Intervention

0


Total of all studies

35

161167

> 2 hrs of screen time per day is negatively associated with academic achievement.

Dose-response relation between time spent playing video games, watching TV and using the computer (for non-academic purposes). > 3 hrs/day associated with poor school performance and lower I.Q. scores.

Mean Downs and Black score = 19.1 (± 2.1), Level 3 evidence.


Tremblay et al. International Journal of Behavioral Nutrition and Physical Activity 2011 8:98   doi:10.1186/1479-5868-8-98

Open Data