From: Risk factors for operated carpal tunnel syndrome: a multicenter population-based case-control study
 |  |  | Univariate | Multivariate* |
---|---|---|---|---|
 | Cases | Controls | OR (95% CI) | OR (95% CI) |
White-collar workers | Â | Â | Â | Â |
   Not exposed | 16 | 122 | 1.0 | 1.0 |
   Exposed | 3 | 12 | 1.9 (0.5-7.6) | 2.1 (0.5-9.5) |
Blue-collar/housewife status | Â | Â | Â | Â |
   Not exposed | 66 | 93 | 5.4 (2.8-10.3) | 5.1 (2.6-9.9) |
   Exposed | 106 | 59 | 13.7 (6.6-28.3) | 12.8 (6.4-25.3) |