Table 4 Multivariate analyses for wrist/hand symptoms and clinically confirmed CTS
| Predictors |
Symptomatic (n=373) vs. Asymptomatic (n=596) OR (95% CI) |
Clinically confirmed CTS (n=93) vs. Clinically uncertain CTS (n=280) OR (95% CI) |
|---|---|---|
| Age | 1.02 (0.97 to 1.07) | 1.01 (0.96 to 1.06) |
| Gender | ||
| Male | 1 | 1 |
| Female | 1.16 (0.78 to 1.89) | 1.51 (0.82 to 2.76) |
| BMI | ||
| 1.02 (0.75 to 1.79) | 1.01 (0.92 to 1.12) | |
| Education | ||
| Secondary & below | 1 | 1 |
| Diploma | 0.46 (0.20 to 1.07) | 0.24 (0.05 to 1.14) |
| Bachelor | 0.81 (0.43 to 1.52) | 0.48 (0.04 to 6.67) |
| Master & above | 0.61 (0.18 to 2.01) | 0.20 (0.05 to 0.97) |
| Smoking | ||
| Yes | 2.20 (1.19 to 4.07) | NA |
| No | 1 | |
| Working department | ||
| Information & Technology | 1 | 1 |
| Finance & Accounting | 1.10 (0.67 to 1.82) | 1.51 (0.75 to 3.04) |
| Marketing | 0.48 (0.22 to 1.08) | 1.10 (0.36 to 3.42) |
| Human Resources | 0.92 (0.46 to 1.85) | 0.88 (0.33 to 2.35) |
| Sales | 0.52 (0.27 to 1.02) | 0.57 (0.24 to 1.35) |
| Others | 0.70 (0.42 to 1.16) | 1.15 (0.51 to 2.61) |
| Working experience (yr) | 1.01 (0.95 to 1.08) | NA |
| Daily computer use time (hr) | 1.11 (1.02 to 1.22) | NA |
| Daily keyboard use time (hr) | 0.98 (0.90 to 1.06) | NA |
| Breaks at work | ||
| Yes | 1 | |
| No | 1.88 (1.12 to 3.14) | NA |
| Adjust posture at work | ||
| Yes | 1 | |
| No | 1.30 (0.88 to 1.92) | NA |
| Working in pain | ||
| Never | 1 | 1 |
| Rarely | 1.19 (0.44 to 3.21) | 2.53 (0.65 to 9.81) |
| Sometimes | 1.46 (0.56 to 3.82) | 2.56 (0.68 to 9.61) |
| Often | 1.82 (0.68 to 4.86) | 3.94 (1.06 to 14.64) |
| Always | 1.73 (0.63 to 4.79) | 4.73 (1.16 to 19.29) |
| Decision control at work | ||
| Never | 1.93 (1.00 to 3.72) | |
| Rarely | 1.55 (0.83 to 2.88) | |
| Sometimes | 1.38 (0.71 to 2.68) | NA |
| Often | 0.76 (0.27 to 2.11) | |
| Always | 1 | |