From: Systematic review of sedentary behaviour and health indicators in school-aged children and youth
Type of Study | Number of Studies | Number of participants | Narrative recommendation and main findings |
---|---|---|---|
RCT | 0 | Â | Â |
Longitudinal | 2 | 1675 | > 2 hr of TV per day is associated with higher serum cholesterol levels. > 1.2 hrs of TV per day is associated with increased systolic blood pressure. |
Cross sectional | 9 | 17339 | > 2 of screen time per day is associated with higher blood pressure and increased risk for metabolic syndrome. |
Intervention | 0 | Â | Â |
Total of all studies | 11 | 19014 | Increased screen time is associated with increased risk for markers of metabolic syndrome and cardiovascular disease. Risk increases in a dose-response manner. Mean Downs and Black score = 21.7 (± 2.0), Level 3 evidence. |