Table 2 Per protocol analysis for accelerometry-derived physical activity outcomes
From: Promoting physical activity among adolescent girls: the Girls in Sport group randomized trial
| Â | Baseline | Follow-up | Estimate of effect (95%CI) | Time | P values | |||
|---|---|---|---|---|---|---|---|---|
Intervention | Control | Intervention | Control | Group | Interaction | |||
(N = 196) | (N = 208) | (N = 121) | (N = 122) | |||||
Total PA (TPA), mean (SD)a | 385.09 (122.21) | 361.42 (106.74) | 376.47 (120.91) | 343.02 (101.76) | 13.70 (-24.47, 51.87) | 0.1396 | 0.2975 | 0.3757 |
Sedentary activity, %time/day (95% CI) | 62.84 (61.81,63.87) | 64.14 (63.20,65.08) | 66.43 (65.14,67.71) | 67.70 (66.54,68.87) | -0.29 (-1.90, 1.32) | 0.0002 | 0.6435 | 0.7923 |
Light activity, %time/day (95% CI) | 32.81 (31.92,33.70) | 31.66 (30.85,32.48) | 29.93 (28.77,31.08) | 29.17 (28.06,30.28) | -0.11 (-1.57, 1.34) | 0.0003 | 0.8462 | 0.9786 |
Moderate activity, %time/day (95% CI) | 4.01 (3.76,4.26) | 3.83 (3.62,4.04) | 3.77 (3.43,4.10) | 3.20 (2.95,3.45) | 0.44 (-0.02, 0.90) | 0.0077 | 0.2049 | 0.0890 |
Vigorous activity, %time/day (95% CI) | 0.34 (0.29,0.40) | 0.37 (0.31,0.42) | 0.26 (0.19,0.33) | 0.25 (0.19,0.31) | -0.002 (-0.20, 0.20) | 0.0071 | 0.7856 | 0.6466 |
Moderate-to-vigorous activity, %time/day (95% CI) | 4.35 (4.07,4.63) | 4.20 (3.95,4.45) | 4.01 (3.64,4.38) | 3.45 (3.18,3.71) | 0.49 (-0.005, 0.99) | <0.001 | 0.030 0.05 | 0.05 |