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Table 8 Bivariate and multivariate linear regression analysis for HINT composite outcome

From: Auditory dysfunction associated with solvent exposure

Bivariate model Multivariate model Final multivariate model
Characteristic   Beta p Beta p Characteristic Beta p
Age   0.250 0.020 0.745 0.289    
Male   0.092 0.392 0.147 0.361    
Solvent exp. EXP 0.306 0.004 1.013 0.177 EXP 0.306 0.004
  NEXP Reference      
Tenure   0.263 0.013 −0.231 0.515    
Risk factors Cigarettes 0.065 0.660 0.116 0.434    
  Alcohol −0.051 0.732 −0.124 0.413    
  ShootWP −0.062 0.640 −0.101 0.462    
  ShootNP −0.057 0.670 −0.003 0.982    
  No Shoot Reference      
  Pastnoise 0.098 0.368 0.078 0.534    
Interactions       Interactions   
Age*solvent     −0.764 0.534    
  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).