| Intervention (n = 75) | Control (n = 58) | ||||
---|---|---|---|---|---|---|
Mean (SD) | Mean (SD) | |||||
Model variable | Baseline | 8 weeks | 20 weeks | Baseline | 8 weeks | 20 weeks |
Mean daily steps | 8815 (3778) | 10849 (5127)* | 10307 (4446)* | 9604 (5471) | 8014 (4568)* | 8026 (4698)* |
Behavioral goal (0–100%)a | 69.6 (29.7) | 76.3 (24.3) | 72.4 (24.5) | 65.1 (32.7) | 64.3 (32.4) | 70.2 (27.2) |
Self-efficacy (1–5)a | 3.2 (0.8) | 3.3 (0.9) | 3.2 (0.9) | 3.1 (0.7) | 3.1 (0.9) | 3.2 (0.9) |
Outcome expectations (1–5)a | 4.2 (0.8) | 4.3 (0.6) | 4.2 (0.7) | 4.2 (0.8) | 4.0 (0.9) | 4.1 (0.9) |
Impediments (1–5)a | 3.7 (0.8) | 3.9 (0.6) | 3.8 (0.7) | 3.9 (0.7) | 3.8 (0.7) | 3.9 (0.7) |
Social support (1–5)a | 3.0 (1.4) | 2.8 (1.4) | 2.7 (1.4) | 2.8 (1.4) | 2.6 (1.3) | 2.8 (1.2) |