Table 5.
Univariate and multivariate logistic regression analysis showing the odd ratios for independent factors associated with musculoskeletal symptoms
| variables | Univariate analysis | Multivariate analysis | ||
|---|---|---|---|---|
| Crude OR (95% CI) | P-value | Adjusted OR (95% CI) | P-value | |
| Gender | ||||
| Male | I | I | ||
| Female | .455 (.293–.708) | < .001 | 2.12 (1.327–3.377) | 0.002 |
| Age (years) | ||||
| < 30 | I | I | ||
| 30–39 | .882 (.540–1.440) | .615 | .219 (.057–.836) | .026 |
| 40–49 | .518 (.240–1.118) | .094 | .328 (.091–1.183) | .088 |
| 50–50 | .916 (.345–2.428) | .859 | .398 (.108–1.461) | .165 |
| Professional rank | ||||
| Resident | I | I | ||
| Consultant | .415 (.205–.843) | .015 | .637 (.267–1.516) | .308 |
| Specialist | .689 (.440–1.080) | .104 | .982 (.583–1.653) | .945 |
| Years of experience | ||||
| 5–9 years | I | I | ||
| 1–5 years | 2.90 (1.479–5.683) | .002 | 4.37 (1.944–9.828) | < .001 |
| < 1 year | 2.95 (1.406–6.173) | .004 | 4.91(1.894–12.763) | .001 |
| ≥ 10 years | 1.073(.403–2.856) | .888 | .74(.246–2.237) | .596 |
| Employment status | ||||
| Full-time | I | I | ||
| Part-time | .432 (.244–.766) | .004 | 2.673 (1.434–4.981) | .002 |
| Time spent at computer work- station | ||||
| < 4 h | I | I | ||
| 4–7 h | .521 (.307–.884) | .016 | .570 (.318–1.021) | .059 |
| 7–9 h | .568 (.317–1.019 | .058 | .827 (.426–1.608) | .576 |
| > 9 h | .504 (.196–1.295) | .155 | .622 (.228–1.695) | .353 |
| Status of comfort | ||||
| Never | [Cannot be Computed] | 0.99 | [Cannot be Computed] | .998 |
| Rarely | .459 (.198–1.067 | 0.71 | .462 (.186–1.148) | .096 |
| Sometimes | .689 (.419–1.133 | .142 | .575 (.335–.985) | .044 |
| Often | .851 (.480–1.509) | .581 | .744 (.404–1.367) | .340 |
| Always | I | I | ||