Table 1.
Demographics of study participants (n = 1644).
Table 2.
Beta (β) coefficients for linear regressions for hearing thresholds at low- and high-frequencies.
Table 3.
Multivariable logistic regression for hearing loss (n = 1644).
Fig 1.
Odds Ratio for Hearing Loss by Serum Cotinine Level (ng/ml).
Odds ratio for hearing loss increases as serum cotinine level increases.