Table 3.
Factors | N | Persistent rate n (%) |
ORadj | 95%CI | P |
---|---|---|---|---|---|
Year of study | |||||
- 1st year | 183 | 21 (11.5) | 1.00 | ||
- 2nd year | 247 | 47 (19.0) | 1.90 | 1.08-3.35 | 0.027* |
- 3rd year | 91 | 10 (11.0) | 0.96 | 0.42-2.15 | 0.912 |
- 5th year | 3 | 1 (33.3) | 7.09 | 0.57-87.70 | 0.127 |
Percent time of computer use for entertainment | |||||
- < 70 | 426 | 70 (16.4) | 1.00 | ||
- ≥ 70 | 98 | 7 (9.2) | 0.44 | 0.21-0.95 | 0.036* |
Elbows positioned at 90° angle | |||||
- Yes | 129 | 13 (10.1) | 1.00 | ||
- No | 395 | 66 (16.7) | 1.76 | 0.92-3.35 | 0.087 |
Keyboard height | |||||
- Suitable | 370 | 52 (14.1) | 1.00 | ||
- Too high | 85 | 22 (25.9) | 2.18 | 1.21-3.91 | 0.009* |
- Too low | 69 | 5 (7.2) | 0.46 | 0.17-1.20 | 0.113 |
Significance and ORadj with 95%CI from multivariate analysis
*P< 0.05.