Table 1 Frequency and percentage of demographic variables, noise sensitivity and noise annoyance in the study sample.

From: Occupational noise annoyance and sensitivity as potential contributors to oxidative stress in metal industry workers

 

Frequency (N)

Percentage (%)

Age (year)

(20–29)

23

14.3

(30–39)

85

52.8

(40–49)

39

24.2

(≥ 50)

14

8.7

Educational level

Illiterate

4

2.5

Under diploma

80

49.7

Diploma

68

42.2

Academic degree

9

5.6

Work experience (year)

< 1

18

11.2

2–5

45

28

6–9

34

21.1

10–14

49

30.4

15–19

14

8.7

> 20

1

0.6

Noise sensitivity

Low (Score ≤ 55)

42

26.1

Medium (Score 56–72)

78

48.4

High (Score ≥ 73)

41

25.5

Noise annoyance

Low

77

47.8

Medium

48

29.8

High

36

22.3

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