Table 4.
Multi variable analysis of factors associated with work-related musculoskeletal disorders among bank workers, Addis Ababa, Ethiopia, 2018 (N = 755)
| Variable | Frequency | COR (95% CI) | AOR (95% CI) | |
|---|---|---|---|---|
| No | Yes | |||
| Sex | ||||
| Female | 51 | 332 | 3.02 [2.09–4.36] | 2.98 [1.91–4.65]** |
| Male | 118 | 254 | 1.00 | 1.00 |
| Age | ||||
| 20–29 | 115 | 362 | 1.00 | 1.00 |
| 30–39 | 49 | 186 | 1.21 [0.83–1.76] | 1.09 [0.66–1.83] |
| ≥ 40 | 5 | 38 | 2.414 [0.92–6.27] | 3.05 [0.86–10.73] |
| Educational status | ||||
| Certificate | 4 | 4 | 0.17 [0.04–0.74] | 0.260 [0.03–1.821] |
| Diploma | 21 | 39 | 0.31 [0.14–0.65] | 0.949 [0.30–2.98] |
| Bachelor’s degree | 127 | 442 | 0.58 [0.33–1.01] | 0.666 [0.33–1.32] |
| Master | 17 | 101 | 1.00 | 1.00 |
| Job catagory | ||||
| Accounting clerks | 14 | 20 | 0.32 [0.14–0.73] | 0.23 [0.06–0.79] |
| Customer service | 115 | 373 | 0.73 [0.44–1.20] | 0.85 [0.46–1.57] |
| Managers | 17 | 91 | 1.20 [0.60–2.40] | 1.56 [0.65–3.73] |
| Others | 23 | 102 | 1.00 | 1.00 |
| Salary | ||||
| ≤ 5240 | 58 | 139 | 0.47 [0.28–0.79] | 0.93 [0.46–1.90] |
| 5241–8500 | 48 | 164 | 0.67 [0.40–1.13] | 0.92 [0.47–1.78] |
| 8501–11200 | 35 | 142 | 0.80 [0.46–1.39] | 1.04 [0.54–2.01] |
| > 11200 | 28 | 141 | 1.00 | 1.00 |
| Smoking behavior | ||||
| No | 166 | 563 | 1.00 | 1.00 |
| Yes | 3 | 23 | 2.26 [0.67–7.62] | 2.57 [0.47–14.08] |
| BMI | ||||
| Normal | 117 | 404 | 1.00 | 1.00 |
| Underweight | 20 | 83 | 1.27 [0.75–2.15] | 1.01 [0.54–1.89] |
| Overweight | 30 | 73 | 0.70 [0.44–1.13] | 0.82 [0.46–1.48] |
| Obese | 2 | 21 | 3.04 [0.70–13.15] | 3.10 [0.60–15.87] |
| History of MSDs | ||||
| No | 167 | 558 | 1.00 | 1.00 |
| Yes | 2 | 28 | 4.19 [0.98–17.77] | 3.46 [0.68–17.48] |
| Type of sitting position | ||||
| Back twisted | 28 | 177 | 4.76 [2.96–7.65] | 3.59 [2.13–6.08]** |
| Back bent | 37 | 271 | 5.52 [3.60–8.46] | 4.06 [2.48–6.66] ** |
| Back straight | 104 | 138 | 1.00 | 1.00 |
| Utilization of computer | ||||
| No | 15 | 25 | 1.00 | 1.00 |
| Yes | 154 | 561 | 2.18 [1.12–4.24] | 2.38 [0.94–5.99] |
| Work break in min | ||||
| No | 148 | 570 | 5.05 [2.57–9.93] | 3.33 [1.44–7.71]** |
| Yes | 21 | 16 | 1.00 | 1.00 |
| Repetitive motion | ||||
| No | 83 | 221 | 1.00 | 1.00 |
| Yes | 86 | 365 | 1.59 [1.12–2.25] | 1.15 [0.74–1.78] |
| Fixed position | ||||
| No | 107 | 255 | 1.00 | 1.00 |
| Yes | 62 | 331 | 2.24 [1.57–3.18] | 1.78 [1.17–2.71]** |
| Boss relation | ||||
| Good | 138 | 400 | 1.00 | 1.00 |
| Fair | 21 | 144 | 2.36 [1.44–3.89] | 1.97 [1.00–3.56] |
| Poor | 3 | 21 | 2.41 [0.71–8.22] | 1.18 [0.31–4.45] |
| None | 7 | 21 | 1.03 [0.43–2.49] | 1.90 [0.64–5.64] |
| Customer relation | ||||
| Good | 159 | 498 | 1.00 | 1.00 |
| Poor | 10 | 88 | 2.81 [1.42–5.53] | 1.91 [0.86–4.25] |
| Type of chairs | ||||
| Fixed | 11 | 85 | 2.44 [1.26–4.68] | 2.6 [1.19–5.75]** |
| Movable | 158 | 501 | 1.00 | 1.00 |
| Job satisfaction | ||||
| No | 60 | 266 | 1.51 [1.06–2.15] | 0.98 [0.62–1.53] |
| Yes | 109 | 320 | 1.00 | 1.00 |
| Job stress | ||||
| No | 30 | 42 | 1.00 | 1.00 |
| Yes | 139 | 544 | 2.79 [1.69–4.63] | 2.33 [1.19–4.54]* |
Others public relations, loan officers, supervisors; AOR adjusted odd ratio; CI confidence interval
*Statistically significant at p value < 0.05
**Statistically significant at p value < 0.001