Table 2 Factors affecting HCU for LBP among nurses, Gondar town, Ethiopia, 2018 (N = 270)

Sex

 Male

1

1

 Female

1.85 (1.05, 3.27)

1.28 (1.03, 3.43)

0.001*

Age

 < 24 years

1

1

 25–35 years

0.38 (0.12–0.94)

0.24 (0.01–0.59)

0.110⁺

 > 35 years

1.60 (1.05–.2.51)

1.31 (0.03–2.03)

0.071⁺

Educational level

 Diploma

1

1

 First degree (Bsc)

1.81 (0.99, 3.40)

1.12 (0.73, 2.17)

0.061⁺

 Masters degree

2.98 (0.76, 3.96)

1.13 (1.01, 3.40)

0.003*

Job stress

 Not stressed

1

1

 Stressed

1.99 (1.11, 3.54)

1.08 (1.21, 2.17)

0.078⁺

Work experience

 ≤ 5 years

2.20

1.40 (0.03, 3.21)

0.056⁺

 > 5 years

(1.23, 3.92)

1

Working hours per day

 ≤ 8 h

1

1

 > 8 h

1.31 (1.02, 6.55)

1.17 (0.63, 5.12)

0.073⁺

Overtime

 Yes

1.07 (0.53, 2.14)

1.01 (0.07, 4.30)

0.081⁺

 No

1

1

Job satisfaction

 Satisfied

1

1

 Not satisfied

1.37 (1.78, 2.39)

1.14 (0.35, 3.44)

0.031⁺

Perceived disability

 Low disability

1

1

 High disability

2.43 (1.83, 3.51)

2.11 (1.66, 3.20)

0.001*

Perceived severity

 Severe pain

2.43 (1.28, 4.60)

2.06 (1.27, 3.51)]

0.001*

 Not severe pain

1

1

Duration of LBP

 0–7 days

1

1

 8–30 days

2.68 (0.17, 2.82)

1.71 (0.12, 2.01)

 > 30 but not every day

3.22 (0.13, 5.72)

2.27 (0.23, 2.81)

 Every day

1.72 (0.18, 4.78)

1.37 (0.44, 3.09)

0.08*