Table 4 Multivariable analysis of shoulders MSDs
Factors | Shoulders | |
|---|---|---|
P | OR (95% C.I.) | |
Age | < 0.001 | 2.239 (1.078–4.651) |
Work hours per week | 0.013 | 2.016 (1.031–3.941) |
Break times during workday | ||
 No rest | Reference | |
 Once or twice | 0.076 | 0.703 (0.459–1.078) |
 Over twice | < 0.001 | 0.419 (0.221–0.796) |
Maintain shoulder abduction for long periods of time | < 0.001 | 2.596 (1.417–4.757) |
Bending or twisting the neck | < 0.001 | 2.268 (1.151–4.469) |
Mental stress | ||
 Low | Reference | |
 Medium | 0.073 | 1.917 (0.962–3.823) |
 High | < 0.001 | 2.188 (1.074–4.457) |
Psychological fatigue | ||
 Low | Reference | |
 Medium | 0.031 | 2.219 (1.011–4.869) |
 High | < 0.001 | 3.955 (1.824–8.578) |
Employment status (1 = temporary/contract, 0 = permanent) | < 0.001 | 2.568 (1.407–4.687) |