Table 3.
Variables | Full model | Reduced model | ||
---|---|---|---|---|
COR (95% CI) | p value | AOR (95% CI) | p value | |
Gender | 0.001 | |||
Male | 1.00 | 1.00 | ||
Female | 0.421 (0.253–0.700) | 0.001∗ | 0.318 (0.162–0.626) | 0.001∗ |
| ||||
Age | 0.159 | |||
22–29 | 1.00 | 1.00 | ||
30–34 | 0.841 (0.485–1.458) | 0.537 | 0.773 (0.340–1.754) | 0.537 |
>34 | 0.371 (0.132–1.043) | 0.060 | 0.25 (0.054–1.152) | 0.075 |
| ||||
Marital status | 0.329 | |||
Married | 1.00 | — | — | |
Single | 1.424 (0.894–2.267) | 0.136 | — | — |
Divorced | 1.10 (0.179–6.773) | 0.918 | — | — |
| ||||
Education level | — | — | ||
No education | 1.00 | — | — | |
Primary | 0.364 (0.06–2.194) | 0.270 | — | — |
Secondary | 1.379 (0.44–4.285) | 0.578 | — | — |
Higher | 1.577 (0.571–4.357) | 0.379 | — | — |
| ||||
Residence | 0.735 | — | — | |
Urban | 1.00 | — | — | |
Rural | 1.407 (0.195–10.121) | 0.735 | — | — |
| ||||
Job category | 0.000 | 0.003 | ||
Spinning | 1.00 | 1.00 | ||
Weaving | 4.556 (1.934–10.730) | 0.001∗ | 4.497 (1.557–12.990) | 0.005∗ |
Engineering | 0.889 (0.419–1.887) | 0.759 | 1.147 (0.410–3.215) | 0.794 |
Finishing | 0.606 (0.279–1.315) | 0.205 | 0.537 (0.184–1.569) | 0.256 |
Administrative staff | 0.436 (0.198–0.958) | 0.039 | 1.471 (0.445–4.868) | 0.527 |
| ||||
Employment status | 0.506 | — | — | |
Permanent | 1.00 | — | — | |
Contract | 0.462 (0.468–4.497) | 0.506 | — | — |
| ||||
Work experience | 0.226 | |||
<5 years | 1.00 | 1.00 | ||
≥5 years | 0.752 (0.474–1.193) | 0.226 | 1.061 (0.550–2.046) | 0.861 |
| ||||
Monthly salary | 0.256 | — | — | |
<2458 birr (<72.00 USD) | 1.00 | — | — | |
2459–3941 birr (72.03–115.45 USD) | 1.789 (0.37–3.821) | 0.133 | — | — |
3942–5776 birr (115.48–169.20 USD) | 1.306 (0.602–2.834) | 0.499 | — | — |
>5776 birr (>169.20 USD) | 2.074 (0.886–4.853) | 0.093 | — | — |
| ||||
Existence of high noise or blare | ||||
Yes | 1.00 | 1.00 | ||
No | 0.236 (0.142–0.391) | 0.000∗ | 0.766 (0.349–1.682) | 0.507 |
| ||||
Exposure to vibration | ||||
Yes | 1.00 | 1.00 | ||
No | 0.224 (0.135–0.373) | 0.000∗ | 0.419 (0.199–0.878) | 0.021∗ |
| ||||
Exposure to rays/welding sparks | ||||
Yes | 1.00 | 1.00 | ||
No | 0.250 (0.149–0.421) | 0.000∗ | 0.366 (0.167–0.799) | 0.012∗ |
| ||||
Exposure to nonmoderate light | ||||
Yes | 1.00 | 1.00 | ||
No | 0.439 (0.270–0.715) | 0.001∗ | 1.303 (0.582–2.921) | 0.520 |
| ||||
Exposure to nonmoderate temperature | ||||
Yes | 1.00 | 1.00 | ||
No | 0.432 (0.269–0.693) | 0.001∗ | 1.189 (0.568–2.490) | 0.646 |
| ||||
Exposure to chemical hazards | ||||
Yes | 1.00 | |||
No | 0.663 (0.390–1.127) | 0.129 | 0.968 (0.446–2.103) | 0.935 |
| ||||
Exposure to dusty work area | ||||
Yes | 1.00 | |||
No | 0.412 (0.252–0.672) | 0.000∗ | 0.937 (0.409–2.148) | 0.878 |
| ||||
Prolonged work by standing in a limited area | ||||
Yes | 1.00 | 1.00 | ||
No | 0.511 (0.305–0.857) | 0.011∗ | 1.039 (0.515–2.099) | 0.914 |
| ||||
Exposure to biological hazards | ||||
Yes | 1.00 | |||
No | 0.531 (0.326–0.863) | 0.011∗ | 0.615 (0.328–1.152) | 0.129 |
| ||||
Labor-intensive work | ||||
Yes | 1.00 | 1.00 | ||
No | 0.305 (0.182–0.513) | 0.000∗ | 0.343 (0.167–0.703) | 0.003∗ |
| ||||
Work supervision | 0.148 | |||
Yes | 1.00 | 1.00 | ||
No | 0.458 (0.159–1.320) | 0.148 | 0.335 (0.077–1.450) | 0.143 |
| ||||
Alcohol consumption | 0.422 | — | — | |
Yes | 1.00 | — | — | |
No | 0.761 (0.390–1.484) | 0.422 | — | — |
| ||||
Khat chewing | 0.588 | — | — | |
Yes | 1.00 | — | — | |
No | 0.706 (0.2–2.492) | 0.588 | — | — |
| ||||
Cigarette smoking | 0.506 | — | — | |
Yes | 1.00 | — | — | |
No | 2.163 (0.222–21.038) | 0.506 | — | — |
| ||||
Sleeping disturbance | 0.061 | |||
Yes | 1.00 | 1.00 | ||
No | 0.643 (0.406–1.021) | 0.061 | 0.759 (0.404–1.426) | 0.392 |
| ||||
Job satisfaction | 0.082 | |||
Yes | 1.00 | 1.00 | ||
No | 1.561 (0.944–2.581) | 0.082 | 0.902 (0.477–1.706) | 0.751 |
| ||||
PPE | 0.607 | — | — | |
Yes | 1.00 | — | — | |
No | 0.881 (0.554–1.427) | 0.607 | — | — |
COR, crude odds ratio; AOR, adjusted odds ratio; CI, confidence interval. ∗Statistically significant difference (p < 0.05).