| Men |  |  |  | Women |  |  |
---|---|---|---|---|---|---|---|
Variables | HR | 95% | CI | Â | HR | 95% | CI |
Age ref < 40 years | Â | Â | Â | Â | Â | Â | Â |
40-49 | 4.15 | 3.64 | 4.73 | Â | 3.76 | 3.42 | 4.13 |
50-59 | 10.35 | 9.11 | 11.75 | Â | 7.34 | 6.65 | 8.09 |
60-62 | 15.29 | 12.91 | 18.10 | Â | 9.14 | 8.00 | 10.43 |
Education ref: > 15 years | Â | Â | Â | Â | Â | Â | Â |
< = 9 years | 1.82 | 1.51 | 2.20 | Â | 1.67 | 1.49 | 1.87 |
10-12 years | 1.59 | 1.33 | 1.92 | Â | 1.42 | 1.28 | 1.57 |
12-15 years | 1.36 | 1.13 | 1.63 | Â | 1.20 | 1.08 | 1.33 |
Annual income (NOK) Ref >275 000 | Â | Â | Â | Â | Â | Â | Â |
< 124 999 | 1.39 | 1.15 | 1.69 | Â | 1.12 | 0.94 | 1.33 |
125 000-199 999 | 1.73 | 1.53 | 1.94 | Â | 1.45 | 1.23 | 1.70 |
200 000-274 999 | 1.52 | 1.36 | 1.68 | Â | 1.34 | 1.14 | 1.58 |
Weekly working hrs, ref full time | Â | Â | Â | Â | Â | Â | Â |
1-19 | 2.86 | 2.47 | 3.31 | Â | 1.82 | 1.69 | 1.95 |
20-30 | 1.80 | 1.46 | 2.22 | Â | 1.15 | 1.08 | 1.24 |
Caring for children | Â | Â | Â | Â | Â | Â | Â |
No children | 1.20 | 1.10 | 1.31 | Â | 1.30 | 1.21 | 1.39 |
Diagnosis, ref back disorders | Â | Â | Â | Â | Â | Â | Â |
Rheumatic disease | 2.08 | 1.78 | 2.43 | Â | 2.16 | 1.94 | 2.40 |
Osteoarthrosis | 1.45 | 1.23 | 1.71 | Â | 1.36 | 1.20 | 1.54 |
Myalgia/fibromyalgia | 1.29 | 1.03 | 1.61 | Â | 1.78 | 1.61 | 1.97 |
Neck problems | 1.29 | 1.14 | 1.45 | Â | 1.01 | 0.93 | 1.10 |
Other | 0.88 | 0.75 | 1.03 | Â | 0.88 | 0.80 | 0.96 |
Extremities | 0.82 | 0.74 | 0.90 | Â | 0.74 | 0.69 | 0.80 |
Fractures/injuries | 0.55 | 0.49 | 0.62 | Â | 0.47 | 0.42 | 0.53 |