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Table 3 Distribution of participants and incidence of disability pension in strata of work-related factors.

From: Disability pension by occupational class - the impact of work-related factors: The Hordaland Health Study Cohort

   Disability pension
   Total Men Women
Work-related factors n (%) n (%) n (%) n (%)
Working hours per week   p < 0.001* p < 0.001* p = 0.034*
> 40 576 (8.2) 11 (1.9) 8 (1.8) 3 (2.3)
37-40 3825 (56.3) 88 (2.3) 33 (1.6) 55 (3.2)
20-36 1949 (28.7) 73 (3.7) 11 (3.8) 62 (3.7)
< 20 440 (6.5) 30 (6.8) 5 (16.1) 25 (6.1)
Years in current occupation   p = 0.241* p = 0.017* p = 0.266*
< 5 1198 (17.6) 26 (2.2) 6 (1.6) 20 (2.4)
5-10 1130 (16.6) 37 (3.3) 6 (1.6) 31 (4.1)
11-15 1266 (18.6) 40 (3.2) 7 (1.4) 33 (4.4)
16-20 1693 (24.9) 46 (2.7) 10 (1.3) 36 (3.8)
> 20 1507 (22.2) 54 (3.6) 29 (3.4) 25 (3.7)
Physical demand   p < 0.001* p < 0.001* p < 0.001*
Mainly sitting 2987 (45.3) 53 (1.8) 21 (1.4) 32 (2.1)
Sitting and standing 1946 (29.5) 57 (2.9) 10 (1.6) 47 (3.5)
Walking and lifting 1504 (22.8) 73 (4.9) 18 (3.5) 55 (5.6)
Hard manual work 151 (2.3) 8 (5.3) 8 (5.8) 0 0
Job demand   p = 0.213* p = 0.754* p = 0.211*
1 (low level) 1030 (14.6) 23 (2.2) 6 (1.8) 17 (2.5)
2 1377 (19.6) 33 (2.4) 8 (1.4) 25 (3.1)
3 1057 (15.0) 35 (3.3) 10 (2.3) 25 (4.0)
4 1798 (25.6) 56 (3.1) 18 (2.3) 38 (3.8)
5 (high level) 1769 (25.2) 62 (3.5) 18 (2.3) 44 (4.5)
Job control   p < 0.001* p = 0.024* p < 0.001*
1 (high level) 1173 (16.7) 21 (1.8) 10 (1.6) 11 (2.0)
2 948 (13.5) 11 (1.2) 6 (1.3) 5 (1.0)
3 1964 (27.9) 37 (1.9) 12 (1.4) 25 (2.3)
4 859 (12.2) 40 (4.7) 11 (3.4) 29 (5.4)
5 (low level) 2087 (29.7) 100 (4.8) 21 (3.2) 79 (5.5)
  1. 2 for differences between groups.