Table 2 Symptoms experienced by subjects call center operators after the onset of use of headphone
From: Otologic symptoms and hearing thresholds among a cohort of call center operators in Lagos
Symptom | Frequency n (%) |
|---|---|
Headache | 44 (48.9) |
Otalgia | 30 (33.3) |
Tinnitus | 28 (31.3) |
Ear tingling | 23 (25.6) |
Autophony | 20 (23.0) |
Hearing loss | 16 (17.8) |
Hyperacusis | 13 (14.4) |
Aural fullness | 11 (12.1) |
Ear numbness | 6 (6.7) |
Loss of balance | 5 (5.6) |
Head fullness | 5 (5.6) |
Burning sensation in the ears | 4 (4.4) |