Outcome | Group | Pre-intervention measurement (T0) | Follow-up measurement (T2) versus T0 | ||
---|---|---|---|---|---|
 |  | Median (IQR)a |  | Median (IQR)a | β [95% CI] |
Physical activity, total MET-minutes per week (n = 311) | GA +  | 640.00 (887.25) |  | 855.00 (1305.50) | β = 1.09 [0.79; 1.51]b |
GA | 594.00 (713.75) |  | 720.00 (1029.00) | β = 0.98 [0.73; 1.31]b | |
GI | 758.00 (1188.00) |  | 897.00 (1134.00) | β = 1.16 [0.88; 1.54]b | |
G | 672.00 (993.00) | Â | 844.00 (1158.00) | Â | |
 |  | Mean (SD) or N (%) | β or OR [95% CI] | Mean (SD) or N (%) | β or OR [95% CI] |
Physical activity, category ‘moderate/high’c (n = 477) | GA +  | 46 (51.7%) |  | 34 (35.4%) | OR = 0.62 [0.35; 1.11] |
GA | 46 (36.5%) |  | 53 (40.8%) | OR = 0.93 [0.55; 1.57] | |
GI | 58 (40.8%) |  | 56 (36.8%) | OR = 0.87 [0.53; 1.45] | |
G | 63 (43.4%) | Â | 65 (43.6%) | Â | |
Sitting time, minutes per day (n = 408) | GA +  | 522.34 (217.77) |  | 519.35 (218.66) | β = 17.84 [-25.66; 61.33] |
GA | 525.49 (199.00) |  | 504.25 (224.45) | β = 2.42 [-37.22; 42.05] | |
GI | 507.02 (190.33) |  | 477.57 (193.45) | β = -11.07 [-48.93; 26.78] | |
G | 497.45 (199.77) | Â | 482.22 (200.55) | Â | |
Perceived increase in physical activity (n = 499) | GA +  |  |  | 37 (44.0%) | OR = 2.61** [1.44; 4.72] |
GA |  |  | 36 (28.3%) | OR = 1.19 [0.67; 2.10] | |
GI |  |  | 38 (26.6%) | OR = 1.06 [0.60; 1.87] | |
G | Â | Â | 36 (24.8%) | Â | |
 |  | Post-intervention measurement (T1) | Follow-up measurement (T2) versus T1 | ||
Intention (n = 564) | GA +  | 87 (87.0%) | OR = 1.65 [0.82; 3.32] |  |  |
GA | 108 (78.3%) | OR = 0.89 [0.51; 1.55] |  |  | |
GI | 135 (82.3%) | OR = 1.15 [0.66; 2.00] |  |  | |
G | 130 (80.2%) | Â | Â | Â | |
Intention strength (T1: n = 564; T2: n = 491) | GA +  | 6.32 (2.40) | β = 0.41 [-0.14; 0.97] | 6.23 (2.31) | β = 0.08 [-0.39; 0.56] |
GA | 6.17 (2.23) | β = 0.27 [-0.24; 0.77] | 6.18 (2.30) | β = 0.12 [-0.31; 0.55] | |
GI | 6.54 (2.07) | β = 0.64* [0.15; 1.12] | 6.45 (2.21) | β = 0.16 [-0.25; 0.58] | |
G | 5.91 (2.26) | Â | 5.90 (2.08) | Â | |
Active choice (n = 564) | GA +  | 3.66 (0.50) | β = 0.09 [-0.03; 0.22] |  |  |
GA | 3.73 (0.49) | β = 0.16** [0.04; 0.27] |  |  | |
GI | 3.70 (0.51) | β = 0.13* [0.02; 0.24] |  |  | |
G | 3.57 (0.49) | Â | Â | Â | |
Autonomy: ‘Own choice’, (n = 564) | GA +  | 6.83 (2.16) | β = 0.22 [-0.30; 0.74] |  |  |
GA | 6.80 (1.91) | β = 0.19 [-0.28; 0.66] |  |  | |
GI | 7.11 (2.04) | β = 0.50* [0.05; 0.95] |  |  | |
G | 6.61 (2.16) | Â | Â | Â | |
Autonomy: ‘Imposed choice’ (n = 564) | GA +  | 4.48 (2.57) | β = 0.26 [-0.34; 0.87] |  |  |
GA | 4.61 (2.51) | β = 0.39 [-0.16; 0.95] |  |  | |
GI | 4.34 (2.41) | β = 0.12 [-0.41; 0.65] |  |  | |
G | 4.22 (2.31) | Â | Â | Â | |
Commitment (T1: n = 460; T2: n = 401) | GA +  | 7.26 (1.54) | β = 0.44* [0.04; 0.84] | 6.33 (2.11) | β = 0.19 [-0.39; 0.77] |
GA | 7.09 (1.25) | β = 0.26 [-0.11; 0.63] | 6.17 (2.20) | β = 0.14 [-0.39; 0.67] | |
GI | 7.22 (1.48) | β = 0.39* [0.04; 0.74] | 6.43 (2.22) | β = 0.32 [-0.18; 0.83] | |
G | 6.82 (1.52) | Â | 5.87 (2.03) | Â | |
Self-efficacy (composite score) (n = 460) | GA +  | 5.74 (1.62) | β = 0.26 [-0.22; 0.74] |  |  |
GA | 5.81 (1.75) | β = 0.32 [-0.11; 0.76] |  |  | |
GI | 5.85 (1.78) | β = 0.37 [-0.05; 0.79] |  |  | |
G | 5.48 (1.72) | Â | Â | Â | |
Self-efficacy (single item) (n = 401) | GA +  | 6.07 (1.75) |  | 5.51 (2.23) | β = 0.16 [-0.37; 0.70] |
GA | 6.15 (1.82) |  | 5.56 (2.07) | β = 0.17 [-0.31; 0.66] | |
GI | 6.21 (1.87) |  | 5.81 (2.01) | β = 0.38 [-0.09; 0.84] | |
G | 5.94 (1.85) | Â | 5.28 (1.95) | Â | |
Satisfaction (n = 564) | GA +  | 6.57 (1.90) | β = 0.32 [-0.16; 0.80] |  |  |
GA | 6.37 (1.99) | β = 0.12 [-0.32; 0.55] |  |  | |
GI | 6.53 (1.88) | β = 0.28 [-0.14; 0.70] |  |  | |
G | 6.25 (1.92) | Â | Â | Â | |
Alignment of choice with personal values (n = 564) | GA +  | 7.16 (1.79) | β = 0.28 [-0.17; 0.74] |  |  |
GA | 7.08 (1.82) | β = 0.20 [-0.21; 0.62] |  |  | |
GI | 7.27 (1.93) | β = 0.39 [-0.00; 0.79] |  |  | |
G | 6.88 (1.69) | Â | Â | Â |