Characteristic (N = 652) | Work-related MSDs | COR (95% CI) | AOR (95% CI) | P-value | |
---|---|---|---|---|---|
Yes (%) | No (%) | ||||
Age | |||||
 ≤ 30 years | 179(57.2) | 134(42.8) | 1 | 1 |  |
 > 30 years | 279(82.3) | 60(17.7) | 3.48(2.43–4.98) | 2.73(2.55–5.46) | 0.0001* |
Educational level | |||||
 Unable to read and write | 9(81.2) | 1(18.2) | 4.12(0.52–32.79) | 2.19(0.23–20.99) | 0.49 |
 Primary school | 119(75.6) | 42(24.4) | 1.29(0.87–1.94) | 1.06(0.68–1.64) | 0.81 |
 Secondary and Above | 330(67.8) | 151(32.2) | 1 | 1 |  |
Work experience | |||||
 ≤ 5 years | 217(63.5) | 125(36.5) | 1 | 1 |  |
 > 5 years | 241(77.7) | 69(22.3) | 2.01(1.42–2.85) | 1.51(1.03–2.20) | 0.001* |
Physical exercise per week | |||||
 Once per week | 33(80.5) | 8(19.5) | 1 | 1 |  |
 2 times per week | 91(72.8) | 34(27.2) | 0.65(0.27–1.54) | 0.41(0.28–2.29) | 0.69 |
 ≥ 3 times per week | 84(63.6) | 48(36.4) | 0.42(0.18–0.99) | 0.37(0.17–1.31) | 0.15 |
Hours spent in standing position per day | |||||
 1–5 h | 170(63.2) | 99(36.8) | 1 | 1 |  |
 6–10 h | 154(66.9) | 76(33.1) | 1.18(0.82–1.71) | 1.12(0.75–1.68) | 0.94 |
 11–15 h | 134(87.6) | 19(12.4) | 4.11(2.39–7.05) | 3.4(2.49–7.77) | 0.0001* |
Customer attending per a day | |||||
 ≤ 9 customers | 151(63.9) | 85(36.1) | 1 | 1 |  |
 10–15 customers | 122(67) | 60(33) | 1.15(0.76–1.72) | 1.14(0.73–1.78) | 0.57 |
 16–23 customers | 74(75.5) | 24(24.5) | 1.74(1.02–2.95) | 1.52(0.07–3.45) | 0.06 |
 ≥ 24 customers | 111(81.6) | 25(18.4) | 2.49(1.50–4.16) | 2.35(1.35–4.11) | 0.001* |