| Intervention group | Control group |  | ||||||
---|---|---|---|---|---|---|---|---|---|
 | Baseline | FU1 | FU2 | Baseline | FU1 | FU2 | Adjusted Δ diff | Effect size | P-value |
 | (n = 79-88) | (n = 71-74) | (n = 53-56) | (n = 54-58) | (n = 47-52) | (n = 37-39) | (95% CI)* |  |  |
Social support | Â | Â | Â | Â | Â | Â | Â | Â | Â |
- family | 3.4 (0.8) | 3.6 (0.8) | 3.6 (0.9) | 3.1 (0.8) | 3.2 (0.7) | 3.1 (0.6) | 0.4 (0.1 to 0.7) | 0.65 | 0.001 |
- friends | 3.2 (0.9) | 3.2 (0.9) | 3.2 (0.8) | 3.1 (0.9) | 3.3 (0.8) | 3.3 (0.8) | −0.1 (−0.4 to 0.1) | −0.12 | 0.4 |
Self-efficacy | 4.1 (1.4) | 4.1 (1.4) | 4.1 (1.4) | 3.8 (1.1) | 3.9 (1.1) | 3.5 (1.3) | 0.5 (−0.1 to 1.1) | 0.44 | 0.09 |
Outcome expectancies | 6.3 (0.8) | 6.4 (0.6) | 6.5 (0.6) | 5.7 (1.0) | 5.7 (1.2) | 5.7 (1.0) | 0.7 (0.2 to 1.3) | 0.38 | 0.01 |