Table 2 Clinical and audiometric data of workers

  No medical history

83

90.3

  Hearing loss

5

5.4

  Recurrent otitis

4

4.3

  Family history of hearing loss

0

0.0

  Tinnitus

30

32.6

  Hearing loss

16

17.3

  Otalgia at the end of labor

8

8.7

  Increasing the volume (radio, TV, telephone)

8

8.7

  Irritability

42

45.7

  Headaches

31

33.7

  Raising the tone of voice

25

27.1

  Insomnia

13

14.1

  Normal hearing

43

46.7

  Auditory fatigue^a

35

38.0

  Sensorineural hearing loss

14

15.2