Table 3 Reported signs and symptoms according to environmental and occupational noise exposure, for normal hearing and hearing loss individuals
Normal hearing | Hearing loss | |||||||
|---|---|---|---|---|---|---|---|---|
Occupational | Environmental | Occupational | Environmental | |||||
n | % | n | % | n | % | n | % | |
Difficulties on locating and noticing sound sources direction | 250 | 84.50% | 46 | 15.50% | 55 | 79.70% | 14 | 20.30% |
Speech perception | 242 | 81.80% | 54 | 18.20% | 35 | 50.70% | 34 | 49.30% |
Non-auditory symptoms | 246 | 83.10% | 50 | 16.90% | 36 | 52.20% | 33 | 47.80% |