TABLE 2.
Descriptive statistics of main variables at baseline and post assessment.
| Intervention group | Control group | |||||||
| Baseline | Post | Baseline | Post | |||||
| n | M (SD) | n | M (SD) | n | M (SD) | n | M (SD) | |
| Intention (0–5) | 110 | 3.72 (1.00) | 80 | 3.86 (0.91) | 105 | 3.77 (1.10) | 83 | 3.70 (1.14) |
| Motivation (1–6) | ||||||||
| Intrinsic | 110 | 3.79 (1.03) | 79 | 3.91 (1.05) | 105 | 3.76 (1.08) | 83 | 4.05 (1.00) |
| Identified | 110 | 4.84 (0.76) | 79 | 4.93 (0.64) | 105 | 4.77 (0.65) | 83 | 4.84 (0.79) |
| Introjected | 110 | 3.52 (1.11) | 79 | 3.58 (1.06) | 105 | 3.52 (0.92) | 83 | 3.54 (0.96) |
| External | 110 | 2.19 (1.00) | 79 | 2.27 (1.01) | 105 | 2.13 (0.93) | 83 | 2.05 (0.94) |
| Self-efficacy (0–5) | 109 | 3.43 (1.04) | 80 | 3.59 (0.98) | 106 | 3.64 (0.94) | 83 | 3.71 (0.89) |
| Positive outcome expectancies (1–4) | 110 | 3.20 (0.45) | 81 | 3.17 (0.42) | 105 | 3.17 (0.42) | 82 | 3.24 (0.43) |
| Negative outcome expectancies (1–4) | 113 | 2.57 (0.89) | 81 | 2.00 (0.55) | 107 | 2.55 (0.69) | 83 | 1.86 (0.42) |
| Action planning (1–4) | 109 | 2.64 (0.75) | 81 | 3.03 (0.53) | 106 | 2.61 (0.63) | 83 | 2.90 (0.54) |
| Coping planning (1–4) | 109 | 2.17 (0.72) | 81 | 2.63 (0.61) | 106 | 2.10 (0.59) | 83 | 2.51 (0.62) |
| Perceived barriers (1–4) | 113 | 2.09 (0.59) | 81 | 1.95 (0.48) | 107 | 2.10 (0.45) | 83 | 1.83 (0.40) |
| D-Score (−2 to +2) | 111 | 0.18 (0.44) | 78 | 0.21 (0.50) | 103 | 0.17 (0.42) | 79 | 0.14 (0.36) |
| MVPA | ||||||||
| Accelerometer-based (min/day) | 95 | 55.83 (27.82) | 62 | 47.51 (30.22) | 89 | 60.04 (26.91) | 66 | 47.60 (24.83) |
| Self-report (hours/week) | 112 | 2.92 (1.99) | 83 | 4.20 (2.89) | 107 | 3.22 (2.19) | 83 | 4.15 (2.58) |
| Steps per day | 95 | 7,900 (2,838) | 62 | 7,341 (3,445) | 89 | 8,453 (2,864) | 66 | 7,052 (2,880) |
| Depression | ||||||||
| BDI | 113 | 22.57 (11.88) | 81 | 17.42 (11.59) | 107 | 20.77 (9.21) | 83 | 14.61 (10.39) |
| Hamilton | 113 | 14.19 (5.28) | 82 | 10.01 (5.83) | 107 | 12.50 (5.24) | 83 | 8.30 (5.00) |
MVPA, moderate-to-vigorous physical activity; min, minutes; BDI, Beck Depression Inventory. Unequal samples are because of missing values in specific outcomes.