Effect estimates (95% CI) of hearing thresholds (dBHL) with IQR increment in occupational noise exposure (dBA).

CI, confidence interval.aModel A was a crude model.bModel B was adjusted for age, age2, sex.cModel C: Model B + further adjusted for BMI, hypertension.dModel D: Model C + further adjusted for occupational exposures to organic solvents and heavy metals.eHearing Thresholds (dBHL) change per interquartile range (IQR) of occupational noise, 94.26 dBA - 84.74 dBA: 9.52 dBA.fPTA (pure tone average at 2, 3, 4 kHz).*p