Table 5.

Bivariate and multivariate logistic regression analyses of factors associated with low back pain among respondents at Modjo Dry Port, Ethiopia, 2018.

Variables	Presence of LBP		COR (95% CI)	AOR (95% CI)	P value
	Yes, n (%)	No, n (%)
Age group (years)
<37.7 years	112 (55.2%)	91 (44.8%)	1.00	1.00
>37.7 years	148 (75.1%)	49 (24.9%)	2.45 (1.60–3.76)∗	1.37 (0.72–2.60)	0.342
Smoking cigarette
Yes	103 (83.1%)	21 (16.9%)	3.72 (2.20–6.29)∗	2.24 (1.25–4.01)	0.007∗
No	157 (56.9%)	119 (43.1%)	1.00	1.00
Physical exercise
Yes	76 (52.4%)	69 (47.6%)	1.00	1.00
No	184 (72.2%)	71 (27.8%)	2.35 (1.54–3.60)∗	2.12 (1.28–3.51)	0.003∗
Hours took for sleeping
<6 hours	142 (72.4%)	54 (27.6%)	1.92 (1.26–2.91)∗	1.26 (0.76–2.07)	0.373
≥6 hours	118 (57.8%)	86 (42.2%)	1.00	1.00
Chronic diseases other than LBP
Present	130 (77.8%)	37 (22.2%)	2.78 (1.78–4.36)∗	2.18 (1.32–3.61)	0.002∗
Absent	130 (55.8%)	103 (44.2%)	1.00	1.00
Years spent truck driving
<10 years	114 (54%)	97 (46%)	1.00	1.00
≥10 years	146 (77.2%)	43 (22.8%)	2.89 (1.87–4.46)∗	1.66 (0.86–3.19)	0.129
Average daily driving hours
<10 hours	60 (60%)	40 (40%)	1.00	1.00
10–15 hours	165 (65.2%)	88 (34.8%)	1.25 (0.78–2.01)	1.01 (0.58–1.76)	0.978
>15 hours	35 (74.5%)	12 (25.5%)	1.94 (0.90–4.19)	1.61 (0.65–4.03)	0.306
Frequent lifting or carrying objects
Yes	220 (71.4%)	88 (28.6%)	3.25 (2.01–5.26)∗	3.02 (1.75–5.22)	≤0.001∗
No	40 (43.5%)	52 (56.5%)	1.00	1.00
Perceived sitting posture while driving
Proper	125 (56.3%)	97 (43.7%)	1.00	1.00
Improper	135 (75.8%)	43 (24.2%)	2.44 (1.58–3.76)∗	2.20 (1.35–3.60)	0.002∗
Perceived job stress
Yes	212 (70%)	91 (30%)	2.38 (1.49–3.80)∗	2.07 (1.20–3.57)	0.009∗
No	48 (49.5%)	49 (50.5%)	1.00	1.00

CI = confidence interval; COR = crude odds ratio; AOR = adjusted odds ratio; ^∗significant at P value <0.05.