Table 3.
Odds ratios of work-related factors for musculoskeletal symptoms by multivariate analysis
| Unadjusted OR | Adjusted OR * | ||||
|---|---|---|---|---|---|
| Variables | OR | 95% CI | OR | 95% CI | |
| Whole body | |||||
| ANSI-Z 365 checklist | Low | 1.00 | 1.00 | ||
| Moderate | 1.58 | 0.94-2.67 | 1.28 | 0.74-2.27 | |
| High | 4.62 | 1.94-11.01 | 3.59 | 1.48-8.76 | |
| Tenure(year) | 0 ~ 4 | ||||
| 5 ~ 10 | 0.98 | 0.62-1.55 | 0.80 | 0.47-1.37 | |
| >10 | 0.89 | 0.57-1.40 | 0.86 | 0.35-2.11 | |
| Department | Ward | ||||
| Operation room | 1.20 | 0.55-2.67 | 1.08 | 0.43-2.77 | |
| ICU† | 0.95 | 0.54-1.68 | 0.92 | 0.50-1.66 | |
| Other | 1.04 | 0.60-1.80 | 1.22 | 0.60-2.49 | |
| Shiftwork | No | ||||
| Yes | 1.20 | 0.78-1.84 | 1.30 | 0.68-2.50 | |
| Total job stress | Low | ||||
| High | 3.48 | 2.22-5.44 | 3.19 | 2.01-5.07 | |
| Neck | |||||
| Tenure(year) | 0 ~ 4 | ||||
| 5 ~ 10 | 1.87 | 1.20-2.90 | 1.72 | 1.05-2.85 | |
| >10 | 1.74 | 1.12-2.70 | 1.94 | 0.85-4.41 | |
| Department | Ward | ||||
| Operation room | 1.84 | 0.91-3.71 | 2.06 | 0.91-4.63 | |
| ICU† | 0.77 | 0.43-1.38 | 0.80 | 0.44-1.46 | |
| Other | 1.63 | 0.99-2.71 | 1.80 | 0.93-3.50 | |
| Shiftwork | No | ||||
| Yes | 0.86 | 0.85-1.30 | 1.50 | 0.81-2.79 | |
| Total job stress | Low | 1 | |||
| High | 1.96 | 1.36-2.84 | 1.93 | 1.32-2.83 | |
| Shoulder | |||||
| Tenure(year) | 0 ~ 4 | ||||
| 5 ~ 10 | 1.30 | 0.85-1.97 | 1.20 | 0.78-1.84 | |
| >10 | 1.74 | 1.15-2.64 | 1.77 | 1.09-2.88 | |
| Department | Ward | ||||
| Operation room | 1.51 | 0.75-3.03 | 1.40 | 0.64-3.03 | |
| ICU† | 0.72 | 0.42-1.23 | 0.77 | 0.46-1.33 | |
| Other | 1.38 | 0.84-2.26 | 1.17 | 0.62-2.19 | |
| Shiftwork | No | ||||
| Yes | 0.74 | 0.50-1.10 | 1.06 | 0.61-1.86 | |
| Total job stress | Low | ||||
| High | 1.91 | 1.34-2.72 | 1.98 | 1.37-2.85 | |
| Arm/elbow | |||||
| Tenure(year) | 0 ~ 4 | ||||
| 5 ~ 10 | 1.38 | 0.78-2.43 | 0.90 | 0.46-1.76 | |
| >10 | 2.09 | 1.23-3.55 | 0.93 | 0.34-2.55 | |
| Department | Ward | ||||
| Operation room | 3.96 | 1.42-11.06 | 4.10 | 1.21-13.90 | |
| ICU† | 0.61 | 0.14-2.76 | 0.81 | 0.17-3.75 | |
| Other | 1.02 | 0.23-4.68 | 1.52 | 0.46-4.92 | |
| Shiftwork | No | ||||
| Yes | 0.44 | 0.20-0.95 | 0.96 | 0.33-2.76 | |
| Total job stress | Low | ||||
| High | 2.85 | 1.32-6.17 | 3.30 | 1.46-7.50 | |
| Hand/wrist/finger | |||||
| Tenure(year) | 0 ~ 4 | ||||
| 5 ~ 10 | 1.38 | 0.78-2.43 | 0.90 | 0.45-1.76 | |
| >10 | 2.10 | 1.23-3.56 | 0.93 | 0.34-2.56 | |
| Department | Ward | ||||
| Operation room | 3.06 | 1.43-6.53 | 2.66 | 1.10-4.90 | |
| ICU† | 0.49 | 0.18-1.20 | 0.46 | 0.17-1.21 | |
| Other | 2.81 | 1.61-4.94 | 2.33 | 1.11-4.91 | |
| High | |||||
| Shiftwork | No | ||||
| Yes | 0.44 | 0.27-0.71 | 0.92 | 0.46-1.86 | |
| Total job stress | Low | ||||
| High | 2.33 | 1.49-3.67 | 2.66 | 1.63-4.32 | |
| Waist | |||||
| Tenure(year) | 0 ~ 4 | ||||
| 5 ~ 10 | 1.01 | 0.66-1.52 | 0.86 | 0.53-1.40 | |
| >10 | 0.64 | 0.41-0.98 | 0.83 | 0.37-1.85 | |
| Department | Ward | ||||
| Operation room | 1.05 | 0.52-2.12 | 1.41 | 0.61-3.24 | |
| ICU† | 0.70 | 0.41-1.20 | 0.66 | 0.38-1.17 | |
| Other | 1.00 | 0.60-1.64 | 1.99 | 1.01-3.94 | |
| Shiftwork | No | ||||
| Yes | 1.56 | 1.03-2.36 | 1.83 | 0.97-3.43 | |
| Total job stress | Low | ||||
| High | 2.47 | 1.72-3.54 | 2.37 | 1.64-3.43 | |
| Knee | |||||
| Tenure(year) | 0 ~ 4 | ||||
| 5 ~ 10 | 1.03 | 0.66-1.62 | 0.77 | 0.45-1.30 | |
| >10 | 1.05 | 0.67-1.65 | 0.74 | 0.32-1.73 | |
| Department | Ward | ||||
| Operation room | 3.91 | 1.91-8.00 | 3.87 | 1.67-8.81 | |
| ICU† | 0.79 | 0.43-1.44 | 0.78 | 0.42-1.44 | |
| Other | 1.33 | 0.79-2.25 | 1.45 | 0.73-2.88 | |
| Shiftwork | No | ||||
| Yes | 0.74 | 0.48-1.12 | 1.06 | 0.57-1.99 | |
| Total job stress | Low | ||||
| High | 1.99 | 1.36-2.90 | 2.00 | 1.35-2.96 | |
| Foot/ankle | |||||
| Tenure(year) | 0 ~ 4 | ||||
| 5 ~ 10 | 0.70 | 0.40-1.28 | 0.49 | 0.24-1.00 | |
| >10 | 0.74 | 0.41-1.33 | 0.61 | 0.20-1.83 | |
| Department | Ward | ||||
| Operation room | 1.21 | 0.48-3.06 | 2.34 | 0.80-6.90 | |
| ICU† | 0.56 | 0.23-1.36 | 0.53 | 0.22-13.5 | |
| Other | 1.53 | 0.83-2.87 | 5.22 | 2.02-13.52 | |
| Shiftwork | No | ||||
| Yes | 1.78 | 1.23-3.37 | 4.28 | 1.70-4.86 | |
| Total job stress | Low | ||||
| High | 2.84 | 1.74-4.64 | 1.16 | 0.30-4.41 | |
*odds ratio adjusted for age, ANSI Z-365 checklist, tenure, department, shiftwork, total job stress.
†Intensive care unit.