From: Effectiveness of a problem-solving based intervention to prolong the working life of ageing workers
 | Intervention group | Business as usual group | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
 | Baseline | 3 months | 12 months | Baseline | 3 months | 12 months | ||||||
 | N = 82 | N = 55 | N = 59 | N = 66 | N = 58 | N = 53 | ||||||
Primary outcomes | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
Work ability (mean, SD) | 39.4 | (5.2) | 38.9 | (5.2) | 38.7 | (5.2) | 38.9 | (5.6) | 38.9 | (5.1) | 38.9 | (4.6) |
Poor (%) | 7 | Â | 4 | Â | 4 | Â | 6 | Â | 0 | Â | 2 | Â |
Moderate (%) | 21 | Â | 22 | Â | 22 | Â | 22 | Â | 31 | Â | 23 | Â |
Good (%) | 50 | Â | 55 | Â | 56 | Â | 52 | Â | 51 | Â | 58 | Â |
Excellent (%) | 22 | Â | 18 | Â | 18 | Â | 20 | Â | 18 | Â | 17 | Â |
Vitality | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
Never (%) | 0 | Â | 0 | Â | 0 | Â | 0 | Â | 0 | Â | 0 | Â |
Seldom (%) | 2 | Â | 2 | Â | 2 | Â | 0 | Â | 3 | Â | 0 | Â |
Sometimes (%) | 16 | Â | 20 | Â | 20 | Â | 17 | Â | 16 | Â | 25 | Â |
Mostly (%) | 74 | Â | 70 | Â | 73 | Â | 80 | Â | 71 | Â | 68 | Â |
Always (%) | 8 | Â | 7 | Â | 5 | Â | 3 | Â | 10 | Â | 8 | Â |
No productivity loss (%) | 43 | Â | 42 | Â | 36 | Â | 43 | Â | 44 | Â | 34 | Â |
Secondary outcomes (mean, (SD)) | Â | Â | Â | Â | Â | Â | Â | Â | Â | |||
Perceived fatigue | 18.40 | (9.2) | Â | Â | 19.52 | (10.4) | 19.18 | (9.9) | Â | Â | 21.55 | (11.4) |
Job content | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
Job demands | 31.66 | (4.7) | Â | Â | 31.71 | (5.4) | 32.67 | (6.6) | Â | Â | 31.15 | (5.5) |
Decision authority | 34.51 | (6.4) | Â | Â | 34.37 | (5.9) | 35.60 | (7.2) | Â | Â | 34.94 | (7.4) |
Skill discretion | 38.77 | (4.4) | Â | Â | 38.31 | (4.0) | 38.26 | (4.9) | Â | Â | 37.21 | (4.4) |
Support from supervisor | 10.95 | (2.2) | Â | Â | 10.61 | (2.1) | 11.68 | (2.3) | Â | Â | 11.71 | (2.7) |
Co-worker support | 12.51 | (1.7) | Â | Â | 12.22 | (1.5) | 12.68 | (1.8) | Â | Â | 12.70 | (1.5) |
Perceived work attitude | 72.22 | (14.0) | Â | Â | 27.49 | (13.5) | 70.00 | (13.7) | Â | Â | 68.30 | (14.0) |
Self-efficacy | 67.01 | (6.6) | Â | Â | 72.03 | (13.0) | 66.16 | (8.9) | Â | Â | 64.70 | (10.5) |
Willingness to exert effort in completing the behaviour | 25.98 | (3.2) | Â | Â | 25.11 | (3.2) | 25.44 | (3.6) | Â | Â | 24.58 | (4.4) |
Persistence in the face of adversity | 25.35 | (2.9) | Â | Â | 25.23 | (2.9) | 24.78 | (3.6) | Â | Â | 24.79 | (3.7) |
Willingness to initiate behaviour | 15.67 | (2.8) | Â | Â | 15.48 | (2.8) | 15.93 | (3.1) | Â | Â | 15.34 | (3.4) |
Work engagement total | 4.41 | (0.9) | Â | Â | 4.50 | (0.9) | 4.29 | (1.1) | Â | Â | 4.44 | (0.8) |
Vigour | 4.55 | (0.9) | Â | Â | 4.55 | (1.0) | 4.46 | (1.0) | Â | Â | 4.62 | (0.9) |
Dedication | 4.76 | (1.0) | Â | Â | 4.84 | (0.9) | 4.70 | (1.2) | Â | Â | 4.77 | (1.0) |
Absorption | 3.94 | (1.2) | Â | Â | 4.11 | (1.1) | 3.69 | (1.2) | Â | Â | 3.94 | (0.9) |