Table 1 Demographics of study subjects
Baseline (1st wave) | Cumulative (1st-6th wave) | |
|---|---|---|
Number | 1957 | 8675 |
Sex, % male | 50.4 | 51.5 |
Mean age (SD), year | 59.2 (10.9) | 62.0 (10.4) |
Average hearing threshold for frequencies 0.5,1, 2, 4 kHz for the better ear (SD), dB | 17.3 (12.0) | 19.7 (12.1) |
Hearing impairment with the WHO criteria, % | 20.1 | 25.0 |
Ear disease history, % | 27.4 | 30.2 |
Occupational noise exposure, % | 22.8 | 21.4 |
Hypertension, % | 24.9 | 29.6 |
Diabetes, % | 7.5 | 8.2 |
Dyslipidemia, % | 16.7 | 19.7 |
Stroke, % | 2.6 | 3.8 |
Cardiac disease, % | 11.8 | 13.4 |
Smoking, % | 44.2 | 43.2 |