Multivariate logistic regression analyses of the effect of self-reported symptoms of obstructive sleep apnoea syndrome (OSAS) on permanent work disability in the Norwegian Hordaland Health Study
| Adjustment variables | OSAS symptoms OR (95% CI) |
| Sex alone | 2.40 (1.38–4.19) |
| Age and education | 2.20 (1.26–3.85) |
| Occupational type | 2.35 (1.26–4.38) |
| Marital/cohabitant status | 2.39 (1.37–4.17) |
| Smoking, alcohol and physical exercise | 1.99 (1.13–3.50) |
| Body mass index | 2.26 (1.29–3.97) |
| Angina, stroke, diabetes and myocardial infarction | 2.40 (1.37–4.19) |
| Depression | 2.02 (1.15–3.56) |
| Blood pressure (systolic) | 2.30 (1.32–4.02) |
| Prescribed drugs | 2.45 (1.40–4.28) |
| Fully adjusted model# | 1.92 (1.01–3.66) |
Of the at-risk population of 7,028 subjects, 139 had a subsequent disability pension award. OR: odds ratio; CI: confidence interval. #: adjusting for all of the above confounders.