Table 2.
Intervention effects after 12 months of follow-up
| Outcomes | Group (N = 150) | Baseline mean (SD) | T1 mean (SD) | T2 mean (SD) | B (95 % CI) crudea | B (95 % CI) adjustedb |
|---|---|---|---|---|---|---|
| At-work productivity loss | Intervention | 4.6 (2.5) | 4.5 (3.1) | 4.6 (3.1) | 0.24 (−0.43; 0.90) | 0.25 (−0.31; 0.80) |
| Control | 3.4 (2.8) | 3.7 (2.5) | 3.5 (2.1) | |||
| Time management demands (WLQ) | Intervention | 34.8 (24.3) | 35.8 (20.4) | 35.6 (19.0) | 3.82 (−1.43; 9.08) | 2.75 (−1.48; 6.99) |
| Control | 29.5 (23.0) | 28.6 (18.9) | 29.4 (22.8) | |||
| Physical demands (WLQ) | Intervention | 31.0 (20.9) | 27.1 (20.2) | 31.4 (19.2) | −1.48 (−6.60; 3.63) | −0.86 (−5.54; 3.82) |
| Control | 26.9 (19.9) | 30.0 (21.7) | 27.1 (20.7) | |||
| Mental-interpersonal demands (WLQ) | Intervention | 24.1 (18.8) | 23.2 (19.0) | 24.1 (20.4) | 1.58 (−2.82; 5.98) | 0.78 (−2.85; 4.41) |
| Control | 19.0 (18.4) | 19.3 (13.7) | 19.1 (17.1) | |||
| Output demands (WLQ) | Intervention | 32.1 (19.6) | 29.0 (19.6) | 28.9 (19.0) | 0.84 (−4.05; 5.74) | 0.68 (−3.36; 4.73) |
| Control | 22.2 (18.7) | 22.1 (17.4) | 22.8 (18.9) | |||
| Work instability | Intervention | 9.8 (4.6) | 8.6 (4.6) | 9.3 (5.2) | −0.29 (−1.41; 0.84) | 0.10 (−0.84; 1.05) |
| Control | 7.9 (4.8) | 7.9 (5.9) | 7.7 (6.0) | |||
| Pain | Intervention | 3.7 (2.5) | 3.8 (2.6) | 4.1 (2.6) | 0.19 (−0.41; 0.78) | 0.51 (−0.003; 1.02) |
| Control | 3.7 (2.5) | 3.8 (2.4) | 3.9 (2.4) | |||
| Fatigue | Intervention | 4.8 (2.5) | 5.1 (2.7) | 5.6 (2.7) | 0.27 (−0.36; 0.90) | 0.49 (−0.07; 1.05) |
| Control | 4.4 (2.6) | 4.7 (2.7) | 5.1 (2.7) | |||
| Physical role limitations | Intervention | 42.3 (39.6) | 48.0 (40.5) | 44.0 (41.7) | −3.29 (−13.92; 7.34) | −0.29 (−9.02; 8.44) |
| Control | 53.7 (40.4) | 52.1 (42.8) | 56.0 (40.2) | |||
| Physical functioning | Intervention | 68.5 (22.0) | 70.7 (20.4) | 66.0 (20.9) | −1.69 (−5.91; 2.53) | −2.50 (−5.91; 0.91) |
| Control | 65.7 (21.0) | 68.7 (19.4) | 69.3 (20.0) | |||
| Mental health | Intervention | 74.3 (14.2) | 78.4 (14.0) | 75.4 (15.8) | 0.78 (−2.91; 4.46) | 0.73 (−2.30; 3.78) |
| Control | 80.1 (14.4) | 79.8 (15.7) | 79.6 (15.7) | |||
| Perceived health change | Intervention | 51.7 (29.2) | 53.0 (30.1) | 52.8 (23.4) | 4.89 (−1.66; 11.44) | 3.68 (−2.38; 9.74) |
| Control | 51.7 (24.1) | 49.0 (22.6) | 46.5 (24.2) |
B difference between the groups on average over time, CI confidence interval
aAdjusted for baseline value of the outcome
bFurther adjusted for at-work productivity loss, work instability, decision authority, psychological job demands, physical functioning, physical role limitations, mental health, fatigue, job satisfaction, and comorbidity