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 |
Intervention | 1 | 76 | Reductions in sedentary behaviour lead to increased fitness. |
Longitudinal | 2 | 561 | One study showed no association whereas one study showed higher musculoskeletal fitness in those watching < 2 hrs of TV per day. |
Cross sectional | 12 | 17227 | > 2 hrs of screen time per day is associated with better VO2max scores, better musculoskeletal and cardiorespiratory fitness scores. |
Total of all studies | 15 | 17864 | Those watching less than 2 hours of TV a day showed higher results for fitness testing and more favourable bone health. Mean Downs and Black score = 20.6 (± 2.1), Level 3 evidence. |