| Model 1 | Model 2 | Pseudo R2for model 2 | |
---|---|---|---|---|
Intervention → Physical activity (unadjusted) | Mediator → Physical activity (where entered alongside trial term) | Intervention → Physical activity after adjusting for mediator | ||
Autonomous motivation (n = 663) | 1.39 (1.06 to 1.83) | 1.36 (1.17 to 1.58) | 1.27 (0.96 to 1.67) | 0.03 |
SS family (Sallis) (n = 633) | 1.46 (1.10 to 1.93) | 1.29 (1.11 to 1.51) | 1.38 (1.04 to 1.84) | 0.03 |
SS friends (n = 611) | 1.40 (1.05 to 1.87) | 1.30 (1.06 to 1.59) | 1.37 (1.03 to 1.83) | 0.03 |