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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).