Table 1 Factors associated with occurrence of needle and sharp injury among health care and auxiliary workers at central zone of Tigray, northern Ethiopia, 2017 (n = 444)

Gender

 Male

0.753 (0.489, 1.161)

1.959 (0.959, 4.001)

 Female

1

1

Are you concerned about needle sticks and sharp injury

 Yes

1

1

 No

5.827 (0.764, 44.443)

7.639 (0.762, 76.602)

Needle sticks and sharp injury is avoidable

 Yes

1

1

 No

0.483 (0.217, 1.075)

0.629 (0.188, 2.101)

Disease can be transmitted by needle stick and sharp injury

 Yes

4.025 (1.366, 11.86)^a

4.479 (0.832, 24.099)

 No

1

1

Did you recap needle in the last 12 months

 Yes

4.345 (2.774, 6.806)^a

4.326 (2.235, 8.373)^b

 No

1

1

Ever used “khat” last 12 months

 Yes

1

1

 No

2.945 (.837, 10.367)

4.013 (0.553, 29.142)

Ever used cigarette/tobacco last12 months

 Yes

5.320 (3.011, 9.400)^a

4.273 (1.645, 11.100)^b

 No

1

1

Did you follow safety guide line properly

 Yes

2.578 (1.452, 4.576)^a

1.667 (0.733, 3.792)

 No

1

1

Ever had training on occupational health and safety

 Yes

1

1

 No

14.407 (7.751, 26.78)^a

14.456 (6.879, 30.375)^b

Work hours per week

 ≤ 40 h

1

1

 > 40 h

12.771 (5.769, 28.272)^a

16.097 (6.252, 41.448)^b

Job satisfaction

 Satisfied

1

1

 Not satisfied

5.463 (1.66, 17.985)^a

4.264 (1.004, 18.111)^b

Work experience

 ≤ 5 years

3.13 (1.911, 5.125)^a

4.482 (2.189, 9.178)^b

 > 5 years

1

1