Table 2.
Bivariate associations between independent factors at baseline and RTW full-time or not one and three years after baseline.
| One year | Both one and three years | |||||
|---|---|---|---|---|---|---|
| Full-time job | Case | P | Full-time job | Case | P | |
| N | 150 | 73 | 111 | 32 | ||
| Demographics | ||||||
| Age, mean (SD) | 44.8 (8.6) | 42.8 (9.7) | 0.14 | 44.7 (7.8) | 43.6 (11.1) | 0.52 |
| Women % | 79.3 | 82.2 | 0.38 | 74.6 | 70.7 | 0.68 |
| Blue collar/white collar/academic worker % | 34.9/49.7/15.6 | 37.3/53.3/9.3 | 0.41 | 30.6/54.8/14.5 | 39.5/52.6/7.9 | 0.42 |
| Public sector % | 68.4 | 71.2 | 0.71 | 68.2 | 74.5 | 0.46 |
| Married % | 64.6 | 57.1 | 0.30 | 62.4 | 35.9 | 0.005 |
| Alcohol (U/week), mean (SD) | 4.3 (5.1) | 3.6 (4.6) | 0.29 | 4.3 (4.5) | 3.9 (5.0) | 0.66 |
| Treatment group % | ||||||
| I | 70.0 | 30.0 | 0.87 | 80.4 | 19.6 | 0.68 |
| II | 63.8 | 36.2 | 71.2 | 28.6 | ||
| TAU (III) | 64.8 | 35.2 | 71.8 | 28.2 | ||
| WLCG (IV) | 65.5 | 34.5 | 70.6 | 29.4 | ||
| Psychosocial work environment | ||||||
| High demands, mean (SD) | 61.9 (12.4) | 66.6 (15.5) | 0.02 | 61.4 (12.2) | 65.6 (15.6) | 0.11 |
| Low decision and authority, mean (SD) | 56.1 (21.7) | 64.7 (22.0) | 0.007 | 56.6 (21.5) | 62.8 (22.2) | 0.16 |
| Low skill discretion, mean (SD) | 32.5 (16.0) | 35.3 (16.5) | 0.24 | 32.3 (15.5) | 35.9 (16.2) | 0.24 |
| Low meaningfulness, mean (SD) | 32.1 (19.6) | 32.0 (21.2) | 0.98 | 32.2 (20.5) | 32.2 (20.9) | 0.99 |
| Low predictability, mean (SD) | 55.1 (23.5) | 61.6 (22.9) | 0.06 | 56.6 (23.0) | 56.6 (21.1) | 0.91 |
| Low reward, mean (SD) | 49.7 (24.2) | 57.4 (24.7) | 0.03 | 51.9 (24.1) | 57.2 (26.9) | 0.29 |
| Low role clarity, mean (SD) | 43.5 (22.3) | 42.0 (22.4) | 0.67 | 44.1 (22.3) | 37.2 (18.2) | 0.11 |
| Low support from leader, mean (SD) | 52.3 (24.9) | 60.2 (26.4) | 0.03 | 53.6 (25.0) | 56.4 (27.7) | 0.57 |
| Low degree of justice, mean (SD) | 55.3 (20.4) | 59.0 (19.8) | 0.21 | 57.3 (20.8) | 60.2 (20.1) | 0.50 |
| Bullying, mean (SD) | 1.4 (0.9) | 1.7 (1.1) | 0.05 | 1.4 (0.9) | 1.6 (1.1) | 0.41 |
| Work environment index (4 items), mean (SD) | 2.3 (0.4) | 2.4 (0.6) | 0.05 | 2.2 (0.4) | 2.3 (0.5) | 0.50 |
| Life events last year score (5 items), mean (SD) | 1.3 (1.9) | 1.4 (2.3) | 0.02 | 1.5 (1.8) | 1.5 (1.8) | 0.89 |
| Severity of condition | ||||||
| Global symptom index (GSI) (SCL92), mean (SD) | 1.2 (0.5) | 1.3 (0.5) | 0.05 | 1.23 (0.5) | 1.3 (0.6) | 0.35 |
| Somatic symptom score (SCL92), mean (SD) | 1.3 (0.8) | 1.5 (0.8) | 0.17 | 1.4 (0.8) | 1.5 | 0.15 |
| Depression score (SCL92), mean (SD) | 1.7 (0.8) | 1.8 (0.8) | 0.56 | 1.7 (0.8) | 1.8 (0.8) | 0.57 |
| Anxiety score (SCL92), mean (SD) | 1.3 (0.7) | 1.4 (0.7) | 0.19 | 1.4 (0.7) | 1.4 (0.7) | 0.98 |
| Antidepressant medication % | 15.9 | 18.8 | 0.69 | 15.2 | 17.2 | 0.78 |
| Work ability index, mean (SD) | 2.8 (2.2) | 1.8 (2.0) | 0.001 | 2.9 (2.2) | 1.7 (2.1) | 0.04 |
| Stress, mean (SD) | 3.7 (0.9) | 4.0 (0.9) | 0.11 | 3.8 (0.9) | 4.1 (0.9) | 0.19 |
| Full-time sick leave at baseline % | 62.5 | 76.8 | 0.03 | 61.5 | 82.1 | 0.02 |
| Days with full-time sick leave at baseline, mean (SD) | 40.9 (49.4) | 57.0 (80.9) | 0.04 | 43.6 (51.2) | 46.4 (58.4) | 0.68 |
TAU: treatment as usual (III).
WLCG: wait list control group (IV).