Table 5.
Variable | LBP | Bivariate | Multivariable | ||
---|---|---|---|---|---|
No ( n ) | Yes ( n ) | COR (95% CI) | AOR (95% CI) | P -value | |
Age | |||||
< 35 | 123 | 225 | 1 | 1 | |
≥35 | 24 | 31 | 0.706 (0.39–1.25)* | 0.582 (0.27–1.257) | 0.168 |
Sex | |||||
Men | 61 | 126 | 1 | 1 | |
Women | 86 | 130 | 0.732 (0.86–1.1)* | 0.721 (0.408–1.274) | 0.261 |
Working experience | |||||
≤ 5 | 118 | 189 | 1 | 1 | |
>5 | 29 | 67 | 1.442 (0.88–2.36)* | 1.380 (0.732–2.633) | 0.329 |
Working days | |||||
3 and 4 | 48 | 60 | 1 | 1 | |
5 and 6 | 99 | 196 | 1.568 (1.01–2.48)* | 0.406 (0.186–0.885) | 0.23 |
Working hours | |||||
≤ 8 | 78 | 74 | 1 | 1 | |
>8 | 69 | 182 | 2.78 (1.82–4.22)* | 2.580 (1.517–4.384)** | 0.00 |
Repetitive movement | |||||
No | 74 | 45 | 1 | 1 | 0.00 |
Yes | 73 | 211 | 4.75 (3.01–7.50)* | 5.940 (2.709–13.02)** | |
Static posture | |||||
No | 122 | 174 | 1 | 1 | 0.00 |
Yes | 25 | 82 | 2.30 (2.38–3.80)* | 4.505 (2.298–8.831)** | |
Back support | |||||
No | 38 | 91 | 1.58 (1.01–2.48) | 1.938 (2.089–3.449)** | 0.024 |
Yes | 209 | 165 | 1 | 1 | |
Awkward posture | |||||
No | 75 | 52 | 1 | 1 | |
Yes | 72 | 204 | 4.07 (2.62–6.37)* | 2.915 (1.677–5.065)** | 0.00 |
Alcohol | |||||
No | 90 | 195 | 1 | 1 | |
Yes | 57 | 61 | 0.494 (0.31–0.76)* | 0.464 (0.296–0.801) | 0.06 |
Job stress | |||||
No | 56 | 50 | 1 | 1 | |
Yes | 91 | 206 | 2.535 (1.61–3.99)* | 3.306 (1.896–5.765)** | 0.00 |
*Significant at bivariate.
**Statistically significant at multivariate.
CI, confidence interval; COR, crude odds ratio; AOR, adjusted odds ratio; 1, reference.