Incidence of chronic neck and shoulder pain according to sex; logistic regression with ascending stepwise procedure
| Incidence | ||||
|---|---|---|---|---|
| Men | Women | |||
| n=8952 | n=6043 | |||
| Factors in 1990 | OR | 95% CI | OR | 95% CI |
| OR, odds ratio; 95% CI, confidence interval; ref, reference; MSD, musculoskeletal diseases in the past; //, variable not selected in the best model. | ||||
| Year of birth (ref=1953) | ||||
| 1948 | 1.1 | (0.9 to 1.4) | 1.2 | (1.0 to 1.5) |
| 1945 | 1.5 | (1.2 to 1.9) | 1.6 | (1.3 to 2.0) |
| 1938 | 2.0 | (1.6 to 2.6) | 1.5 | (1.2 to 2.0) |
| Repetitive work (ref=never) | ||||
| In 1990 | 0.9 | (0.7 to 1.2) | 1.3 | (1.0 to 1.6) |
| Before 1990 | 1.3 | (1.0 to 1.7) | 1.2 | (1.0 to 1.5) |
| Awkward work (ref=never) | ||||
| In 1990 | 1.3 | (1.1 to 1.7) | // | // |
| Before 1990 | 1.2 | (0.9 to 1.6) | // | // |
| Job demand (ref=low) | ||||
| High | 1.2 | (1.0 to 1.4) | 1.2 | (1.0 to 1.4) |
| Depressive symptoms (ref=no) | ||||
| Yes | 1.3 | (1.0 to 1.8) | 1.5 | (1.2 to 1.9) |
| MSD in the past (ref=no) | ||||
| Yes | 1.5 | (1.3 to 1.8) | 1.7 | (1.5 to 2.0) |
| Sporting activities (ref=no) | ||||
| Yes | 0.8 | (0.7 to 0.9) | // | // |
| Smoking (ref=no) | ||||
| In 1990 | 0.9 | (0.8 to 1.2) | // | // |
| Before 1990 | 1.2 | (1.0 to 1.4) | // | // |