Table 3. Crude and adjusted hazard ratios for individual tinnitus, sensorineural hearing impairment, and sudden deafness.
| Variable | Crude | Adjusted* | ||||
|---|---|---|---|---|---|---|
| HR | 95% CI | p-value | HR | 95% CI | p-value | |
| For tinnitus Non-migraine headache (yes/no) |
3.22 | 3.01–3.36 | <0.0001 | 3.05 | 2.91–3.19 | <0.0001 |
| For SNHL Non-migraine headache (yes/no) |
2.07 | 1.92–2.22 | <0.0001 | 1.89 | 1.74–2.05 | <0.0001 |
| For sudden deafness Non-migraine headache (yes/no) |
2.59 | 2.19–3.06 | <0.0001 | 2.14 | 1.77–2.59 | <0.0001 |
Abbreviations: HR, hazard ratio; CI, confidence interval; SNHL, sensorineural hearing impairment.
*Adjusted for all covariates (age per year, sex, comorbidities, geographic region, and urbanization level).