Table 2.
Outcome scores by group at baseline (t1) and follow-up (t2), and test of change scores
| Mean score (SD) | Group × time interaction | ||||
|---|---|---|---|---|---|
| Outcome | Group 1 (Intervention) |
Group 2 (Control) |
F (1,227) | p | ηp2 |
| Global well-being (WEMWBS) | |||||
| t1 | 47.6 (6.8) | 46.9 (5.8) | |||
| t2 | 49.9 (6.7) | 47.0 (7.5) | 8.77 | 0.003 | 0.037 |
| Positive affect throughout the daya | |||||
| t1 | 3.22 (0.5) | 3.15 (0.5) | |||
| t2 | 3.38 (0.5) | 3.10 (0.5) | 8.37 | 0.004 | 0.04 |
| Job strain | |||||
| t1 | 1.08 (0.21) | 1.07 (0.24) | |||
| t2 | 1.04 (0.21) | 1.08 (0.30) | 5.39 | 0.021 | 0.023 |
| Job control | |||||
| t1 | 36.8 (4.4) | 37.1 (5.2) | |||
| t2 | 37.8 (4.3) | 37.2 (5.4) | 5.71 | 0.018 | 0.025 |
| Job demands | |||||
| t1 | 13.1 (2.0) | 12.9 (2.0) | |||
| t2 | 12.9 (1.9) | 13.0 (2.2) | 1.12 | 0.291 | 0.005 |
| Anxiety symptoms (HADS) | |||||
| t1 | 9.13 (3.9) | 9.36 (4.0) | |||
| t2 | 7.44 (3.6) | 8.86 (3.9) | 7.78 | 0.006 | 0.033 |
| Depressive symptoms (HADS) | |||||
| t1 | 5.05 (3.4) | 5.13 (3.2) | |||
| t2 | 3.6 (3.2) | 5.18 (3.5) | 15.6 | 0.0001 | 0.065 |
| Workplace social support | |||||
| t1 | 3.16 (0.5) | 3.22 (0.5) | |||
| t2 | 3.30 (0.5) | 3.21 (0.6) | 4.61 | 0.033 | 0.020 |
| Systolic BP, mmHgb | |||||
| t1 | 110.8 (.85) | 111.8 (.90) | |||
| t2 | 110.5 (.86) | 112.6 (.91) | 3.28 | 0.071 | 0.002 |
| Diastolic BP, mmHgb | |||||
| t1 | 69.2 (.64) | 70.1 (.68) | |||
| t2 | 69.0 (.65) | 70.5 (.69) | 1.26 | 0.262 | 0.006 |
Notes. WEMWBS= Warwick Edinburgh Mental Well-being Scale; HADS= Hospital Anxiety and Depression Scale. The job control subscale included 12 items of the 15-item scale.
a
F(1,199).
b
F(1,204). Means for blood pressure are adjusted and standard errors are presented instead of standard deviations.