Table 3 Univariate 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 (0.99 to 1.04) | 1.00 (0.96 to 1.04) |
Gender | ||
 Male | 1 | 1 |
 Female | 1.27 (0.97 to 1.66) | 1.70 (1.01 to 2.85) |
BMI | ||
| Â | 1.07 (1.02 to 1.11) | 1.04 (0.96 to 1.14) |
Education | ||
 Secondary & below | 1 | 1 |
 Diploma | 0.37 (0.21 to 0.66) | 0.28 (0.06 to 1.27) |
 Bachelor | 0.57 (0.37 to 0.88) | 0.58 (0.05 to 7.42) |
 Master & above | 0.89 (0.59 to 1.34) | 0.21 (0.04 to 0.99) |
Smoking | ||
 Yes | 1.60 (1.07 to 2.37) | 1.22 (0.60 to 2.49) |
 No | 1 | 1 |
Working department | ||
 Information & Technology | 1 | 1 |
 Finance & Accounting | 1.70 (1.18 to 2.44) | 0.71 (0.23 to 2.18) |
 Marketing | 0.63 (0.37 to 1.10) | 0.66 (0.24 to 1.77) |
 Human Resources | 0.82 (0.49 to 1.36) | 0.31 (0.13 to 0.76) |
 Sales | 0.66 (0.40 to 1.07) | 0.87 (0.38 to 2.01) |
 Others | 0.65 (0.44 to 0.95) | 0.63 (0.33 to 1.20) |
Working experience (yr) | 1.03 (1.00 to 1.06) | 0.99 (0.94 to 1.05) |
Daily computer use (hr) | 1.07 (1.01 to 1.12) | 0.96 (0.88 to 1.06) |
Daily keyboard use (hr) | 1.05 (1.01 to 1.11) | 1.02 (0.93 to 1.12) |
Breaks at work | ||
 Yes | 1 | 1 |
 No | 1.68 (1.15 to 2.44) | 1.33 (0.68 to 2.59) |
Adjust posture at work | ||
 Yes | 1 | 1 |
 No | 1.71 (1.24 to 2.36) | 1.34 (0.75 to 2.41) |
Working in pain | ||
 Never | 1 | 1 |
 Rarely | 1.61 (1.11 to 2.35) | 2.01 (0.55 to 7.24) |
 Sometimes | 1.68 (1.10 to 2.56) | 1.82 (0.53 to 6.28) |
 Often | 2.41 (1.47 to 3.94) | 3.02 (0.89 to 10.24) |
 Always | 1.81 (0.76 to 4.32) | 3.45 (0.94 to 12.73) |
Decision control at work | ||
 Never | 1.87 (1.13 to 3.10) | 2.08 (0.46 to 9.36) |
 Rarely | 1.35 (0.84 to 2.18) | 1.30 (0.37 to 4.52) |
 Sometimes | 1.32 (0.80 to 2.19) | 1.35 (0.39 to 4.62) |
 Often | 0.73 (0.34 to 1.53) | 1.53 (0.43 to 5.46) |
 Always | 1 | 1 |