Table 1 Socio-demographic characteristics of respondents of Bishoftu Central Air base workers of Ethiopia.

From: Prevalence and associated factors of noise-induced hearing loss among workers in Bishoftu Central Air Base of Ethiopia

Characteristics

n

(%)

Sex

Male

226

86.9

Female

34

13.1

Age in years

18–27

124

47.7

28–37

91

35

38–47

36

13.8

 > 47

9

3.5

Service in years

1–10

192

73.8

11–20

50

19.2

 > 20

18

7

Religion

Orthodox

184

70.8

Muslim

14

5.4

Protestant

58

22.2

Catholic

3

1.2

Other

1

0.4

Marital status

Single

161

61.9

Married

99

38.1

Educational status

Write and read

1

0.4

Primary school 1–8

7

2.7

Secondary 9–12

25

9.6

Technical/diploma

147

56.5

Degree and above

80

30.8

Category of the participants

Civil

6

2.3

Military

254

97.7

Working department

Security

23

8.9

Cisinia

12

4.6

Su-27 jet

35

13.5

Transport helicopter

29

11.2

Transport airplane

18

6.9

L-39 jet

19

7.3

Logistics

10

3.8

Garage

25

9.6

Daily maintenance (DM)

89

34.2

Job category

Pilot

8

3.1

Mechanic technicians

116

44.6

Electronics and communication maintenance

17

6.5

Flight and ground technician

73

28.2

Navigation crew

8

3.1

Armament

6

2.3

Driver

5

1.9

Welder

4

1.5

Security

23

8.9

  1. n number.