Table 4. Changes in depression and SCT constructs before and after intervention .
| Variables | Before intervention | Baseline to 12 wk | Baseline to 24 wk | P- value | |||
| Mean | SD | Mean | SD | Mean | SD | ||
| Depression | |||||||
| Intent-to treat | 24.6 | 11.7 | 18.5 | 14.0 | 19.5 | 10.9 | 0.031 |
| Complete case | 22.1 | 10.0 | 18.0 | 16.0 | 20.0 | 11.3 | 0.310 |
| Control group | 22.3 | 11.8 | 21.4 | 15.6 | 22.5 | 12.1 | 0.251 |
| P value | 0.153 | 0.004 | 0.062 | ||||
| Self-efficacy | |||||||
| Intent-to treat | 2.77 | 0.95 | 2.75 | 1.10 | 2.76 | 1.12 | 0.123 |
| Complete case | 2.57 | 0.84 | 2.51 | 0.89 | 2.55 | 0.55 | 0.153 |
| Control group | 2.54 | 0.85 | 2.51 | 0.83 | 2.52 | 0.84 | 0.180 |
| P value | 0.237 | 0.301 | 0.371 | ||||
| Goal setting | |||||||
| Intent-to treat | 2.20 | 0.61 | 2.55 | 0.68 | 2.42 | 0.61 | 0.030 |
| Complete case | 2.27 | 0/35 | 2.88 | 0.67 | 2.52 | 0.60 | 0.031 |
| Control group | 2.35 | 0.37 | 2.40 | 0.58 | 2.38 | 0.61 | 0.411 |
| P value | 0.420 | 0.021 | 0.023 | ||||
| Outcome expectation | |||||||
| Intent-to treat | 4.17 | 0.63 | 4.15 | 0.59 | 4.13 | 0.59 | 0.421 |
| Complete case | 4.40 | 0.54 | 4.30 | 0.55 | 4.32 | 0.56 | 0.450 |
| Control group | 4.42 | 0.46 | 4.41 | 0.35 | 4.40 | 0.45 | 0.411 |
| P value | 0.159 | 0.240 | 0.159 | ||||
| Social support | |||||||
| Intent-to treat | 2.67 | 0.95 | 2.99 | 1.04 | 2.95 | 0.88 | 0.002 |
| Complete case | 2.57 | 0.78 | 2.88 | 1.07 | 2.88 | 1.03 | 0.010 |
| Control group | 2.17 | 0.87 | 2.19 | 0.85 | 2.18 | 0.88 | 0.121 |
| P value | 0.120 | 0.011 | 0.071 | ||||