From: Relationship of cigarette smoking and hearing loss in workers exposed to occupational noise
Frequency | Smoking amount (pack-years) | p value †| Post-hoc comparison | |||
---|---|---|---|---|---|---|
0.05–9.9 *(n = 1,125) | 10–19.9 *(n = 1,413) | 20–29.9 *(n = 689) | ≥30 *(n = 366) | |||
1 kHz | 15.2 (0.3) | 15.2 (0.3) | 15.3 (0.4) | 16.9 (0.6) | 0.030 | a,b,c < d |
2 kHz | 17.5 (0.4) | 17.2 (0.3) | 18.1 (0.5) | 20.1 (0.7) | 0.002 | a,b,c < d |
3 kHz | 25.1 (0.5) | 23.7 (0.4) | 25.2 (0.6) | 27.2 (0.9) | 0.001 | b < a,c < d |
4Â kHz | 30.5 (0.6) | 29.3 (0.5) | 30.8 (0.7) | 31.5 (0.9) | 0.075 | - |