Table 4.
Age-, gender-, and VDT time out of work-adjusted odds ratios (OR) and 95% confidence intervals (95% CI) of the duration of daily VDT use for selected health conditions.
| OR (95%CI) | ||||
|---|---|---|---|---|
| <6h (n = 70) |
6–11h (n = 745) |
≥11h (n = 99) |
p-Trend | |
| Musculoskeletal pain | ||||
| Back | 1.0 | 1.75 (0.94–3.24) | 3.59 (1.74–7.41) 1 | <0.001 2 |
| Wrists | 1.0 | 0.97 (0.49–1.91) | 1.88 (0.85–4.16) | 0.042 2 |
| Hips | 1.0 | 1.31 (0.55–3.14) | 2.42 (0.90–6.52) | 0.034 2 |
| Eye discomfort | ||||
| Dry eyes | 1.0 | 1.42 (0.84–2.39) | 2.22 (1.17–4.20) 1 | 0.011 2 |
| Ocular soreness | 1.0 | 1.10 (0.57–2.10) | 2.16 (1.01–4.61) 1 | 0.015 2 |
| Occupational stress | 1.0 | 1.86 (1.09–3.15) 1 | 6.75 (3.52–12.93) 1 | <0.001 3 |
| Job burnout | 1.0 | 1.34 (0.79–2.27) | 2.66 (1.39–5.085) 1 | 0.001 2 |
1p < 0.05; 2 Binary logistic regression; 3 Ordinal logistic regression.