Research Article
Musculoskeletal Disorders and Associated Factors among Vehicle Repair Workers in Hawassa City, Southern Ethiopia
Table 7
Multivariate logistic regression of factors associated with WMSDs among vehicle repair workers in Hawassa city, Ethiopia, May 2019.
| | Variable | Work-related MSD | COR (95% CI) | AOR (95% CI) | value | | Yes | No |
| | Educational status | | | | | | | No formal education | 7 (63.6%) | 4 (36.4%) | 2.27 (0.75–9.87) | 1.07 (0.20–5.51) | 0.933 | | Elementary level | 59 (56.7%) | 45 (43.3%) | 2.04 (1.18–3.52) | 1.64 (0.74–3.62) | 0.217 | | Secondary level | 55 (46.2%) | 64 (53.8%) | 1.33 (0.79–2.26) | 0.83 (0.38–1.79) | 0.648 | | Tertiary and above | 43 (39.1%) | 67 (60.9%) | 1 | 1 | |
| | Professional training | | | | | | | Yes | 59 (37.8%) | 97 (62.2%) | 1 | 1 | | | No | 105 (55.9%) | 83 (44.1%) | 2.08 (1.34–3.20) | 2.04 (1.09–3.81) | 0.026 |
| | Type of car repaired | | | | | | | Sedan/saloon car | 23 (39.0%) | 36 (61.0%) | 1 | 1 | | | Pickup/light truck | 36 (45.0%) | 44 (55.0%) | 1.28 (0.64–2.53) | 0.77 (0.28–2.10) | 0.61 | | Truck/large truck | 41 (57.7%) | 30 (42.3%) | 2.13 (1.05–4.32) | 1.02 (0.36–2.92) | 0.96 | | Bus | 26 (59.1%) | 18 (40.9%) | 2.26 (1.01–5.01) | 0.87 (0.27–2.77) | 0.817 | | Minibus/minivan | 22 (46.8%) | 25 (53.2%) | 1.37 (0.63–2.99) | 1.14 (0.36–3.64) | 0.816 | | SUV/4WD | 16 (37.2%) | 27 (62.8%) | 0.92 (0.41–2.08) | 0.75 (0.24–2.33) | 0.62 |
| | Most commonly adopted posture | | | | | | | Sitting | 5 (35.7%) | 9 (64.3%) | 1 | 1 | | | Standing | 57 (44.5%) | 71 (55.5%) | 1.44 (0.45–4.55) | 0.50 (0.12–2.02) | 0.344 | | Kneeling | 23 (46.9%) | 26 (53.1%) | 1.59 (0.46–5.44) | 0.973 (0.20–4.66) | 0.973 | | Bending | 47 (46.1%) | 55 (53.9%) | 1.53 (0.48–4.90) | 0.921(0.226–3.75) | 0.909 | | Squatting | 10 (50.0%) | 10 (50.0%) | 1.80 (0.44–7.30) | 1.17 (0.19–6.89) | 0.862 | | Laying on the ground | 22 (71.0%) | 9 (29.0%) | 4.40 (1.15–16.8) | 3.68 (0.70–19.16) | 0.121 |
| | Lift, push, pull loads of >20 kg | | | | | | | Yes | 106 (72.1%) | 41 (27.9%) | 6.19 (3.86–9.94) | 4.85 (2.65–8.87) | 0.000 | | No | 58 (29.4%) | 139 (70.6%) | 1 | 1 | |
| | Repetitive motions | | | | | | | Never | 24 (33.8%) | 47 (66.2%) | 1 | 1 | | | Sometimes | 71 (47.3%) | 79 (52.7%) | 1.76 (0.97–3.16) | 4.49 (1.94–10.4) | 0.000 | | Always | 69 (56.1%) | 54 (43.9%) | 2.50 (1.36–4.59) | 4.29 (1.78–10.2) | 0.001 |
| | Force exertion when using tools | | | | | | | Yes | 122 (57.8%) | 89 (42.2%) | 2.97 (1.88–4.68) | 2.40 (1.24–4.62) | 0.009 | | No | 42 (31.6%) | 91 (68.4%) | 1 | 1 | |
| | Job stress | | | | | | | Yes | 93 (65.0%) | 50 (35.0%) | 3.40 (2.17–5.33) | 4.54 (2.44–8.46) | 0.000 | | No | 71 (35.3%) | 130 (64.7%) | 1 | 1 | |
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Significant association; significant at , , and . |
