Low Back Pain and Associated Factors among Hairdressers in Northern Ethiopia: A Cross-Sectional Study

Table 2

Working environment, ergonomic characteristics, and prevalence of LBP among the study participants, April 2018 (n = 314).

Variables	Frequency	Percent (%)	LBP (yes)		LBP (no)
			Frequency	Percent (%)	Frequency	Percent (%)
Prolonged standing
Yes	280	89.2	140	50.0	140	50.0
No	34	10.8	9	26.5	25	73.5
Static posture
Yes	226	72.0	107	47.3	119	52.7
No	88	28.0	42	47.7	46	52.3
Awkward posture
Yes	219	69.7	121	55.3	98	44.7
No	95	30.3	28	29.5	67	70.5
Repeating activity
Yes	95	30.3	51	53.7	44	46.3
No	219	69.7	98	44.7	121	55.3
Working hours per day
2–5 hours	46	14.6	13	28.3	33	71.7
6–10 hours	128	40.8	62	48.4	66	51.6
>10 hours	140	44.6	74	52.9	66	47.1
Working days per week
≤4 days	32	10.2	6	18.7	26	81.3
>4 days	282	89.8	143	50.7	139	49.3
Number of customers per day
1–5 customers	198	63.1	90	45.5	108	54.5
6–10 customers	116	36.9	59	50.9	57	49.1
Break time in a day
Yes	40	15.9	23	46.0	27	54.0
No	264	84.1	126	47.7	138	52.3
Adjustable chair
Yes	64	20.4	32	50.0	32	50.0
No	250	79.6	117	46.8	133	53.2
Adjustable washbasin
Yes	241	76.8	103	42.7	138	57.3
No	73	23.2	46	63.0	27	37.0
Ergonomics education
Yes	91	29.0	34	37.4	57	62.6
No	170	54.1	92	54.1	78	45.9
Not professional	53	16.9	23	43.4	30	56.6