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Table 2 Frequencies of explanatory variables N (%), and the proportions N (%) obtaining disability pension (DP) during 5 years follow-up according to musculoskeletal groups and sociodemographic variables

From: Gender differences in disability after sickness absence with musculoskeletal disorders: five-year prospective study of 37,942 women and 26,307 men

  Men     Women    
Explanatory variables N % DP DP% N % DP DP%
Rheumatoid arthritis 777 3.0 306 39.4 1220 3.2 614 50.3
Osteoarthrosis 644 2.4 269 41.8 880 2.3 452 51.4
Myalgia/fibromyalgia 523 2.0 145 27.7 1836 4.8 757 41.2
Neck problems 2335 8.9 574 24.6 5016 13.2 1194 23.8
Back problems 8979 34.1 1598 17.8 11164 29.4 2246 20.1
Other 1829 7.0 288 15.7 5838 15.4 812 13.9
Upper extremities, non traumatic 4625 17.6 792 17.1 7300 19.2 1565 21.4
Lower extremities, non traumatic 874 3.3 120 13.7 1053 2.8 218 20.7
Fractures and injuries 5721 21.7 510 8.9 3635 9.6 551 15.2
All 26307 100.0 4602 17.5 37942 100.0 8409 22.2
Age         
16-29 5122 19,5 98 1.9 7448 19.6 163 2.2
30-39 7698 29,3 516 6.7 9992 26.3 886 8.9
40-49 6989 26,6 1162 16.6 10183 26.8 2418 23.7
50-59 5622 21,4 2312 41.1 9122 24.0 4229 46.4
60-62 876 3,3 514 58.7 1197 3.2 713 59.6
Education (years)         
Basic 7-9 3134 11.9 1311 41.8 4538 12.0 2238 49.3
Lower middle 10-12 9579 36.4 1534 16.0 14876 39.2 3625 24.4
Higher middle 13-15 10866 41.3 1393 12.8 12760 33.6 1764 13.8
Academic > 15 1479 5.6 182 12.3 4646 12.2 584 12.6
Missing 1249 4.7 182 14.6 1122 3.0 198 17.6
Annual income NOK*         
< 125,000 3163 12.0 479 15.1 9530 25.1 2131 22.4
125, 000-199,999 7083 26.9 1303 18.4 18615 49.1 4271 22.9
200,000-274 999 11954 45.4 2240 18.7 8640 22.8 1831 21.2
> 275,000 4048 15.4 580 14.3 1126 3.0 176 15.6
Weekly working hours         
0-19 835 3.2 220 26.3 5580 14.7 1535 27.5
20-29 565 2.1 101 17.9 6278 16.5 1389 22.1
30+ 19328 73.5 2712 14.0 17648 46.5 3188 18.1
Missing 5579 21.2 1569 28.1 8436 22.2 2297 27.2
  1. N = 26,307 men and 37,942 women sickness absent > 8 weeks