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Table 5 Bivariate and multivariate linear regression analysis for TEOAE outcome

From: Auditory dysfunction associated with solvent exposure

Bivariate model Multivariate model Final multivariate model
Characteristic   Beta p Beta p Characteristic Beta p
Age   −0.130 0.256 0.213 0.786    
Male   −0.247 0.027 −0.091 0.605    
Solvent exp. EXP −0.317 0.004 −0.290 0.723 EXP −0.421 0.005
  NEXP Reference      
Tenure   −0.346 0.002 −0.535 0.183    
Risk factors Cigarettes −0.259 0.075 −0.033 0.849    
  Alcohol −0.206 0.166 −0.342 0.058 Alcohol −0.352 0.019
  ShootWP 0.028 0.835 0.119 0.437    
  ShootNP 0.053 0.695 0.192 0.254    
  No Shoot Reference      
  Pastnoise −0.176 0.121 −0.051 0.750    
Interactions       Interactions   
Age*solvent     0.180 0.895    
  1. Note. Solvent exp: EXP: solvent-exposed group, NEXP: non-exposed group (reference); Tenure: number of years working at the factory exposed to solvents; Cigarettes: Number of cigarettes smoked per week; Alcohol: Number of drinks per month; Shoot WP: history of shooting practice wearing hearing protection; ShootNP: history of shooting practice without wearing hearing protection; No shoot: absence of shooting practice (reference); Pastnoise: history of previous occupational noise exposure; Interaction Age*solvent: factor of age times solvent group (exposed versus non-exposed).