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Table 1 Results under a bivariate mixed-counting process model for genetic association of RA severity

From: Application of bivariate mixed counting process models to genetic analysis of rheumatoid arthritis severity

    

Covariate associations

Model

log L

Heterogeneity log φ (SE)

Outcome

Sex β (SE)

Smoking history β (SE)

DRB1 β (SE)

No covariates

-10052.06

-0.358 (0.04)

Tender

   
   

Swollen

   

With sex

-10035.23

-0.360 (0.04)

Tender

-0.185 (0.05)

  
   

Swollen

-0.010 (0.05)

  

With sex,

-10031.06

-0.365 (0.04)

Tender

-0.216 (0.06)

0.139 (0.04)

 

smoking history

  

Swollen

-0.035 (0.05)

0.110 (0.04)

 

With sex,

-10020.33

-0.366 (0.04)

Tender

-0.216 (0.06)

0.139 (0.05)

-0.009 (0.03)

smoking history, and DRB1

  

Swollen

-0.038 (0.06)

0.107 (0.05)

0.071 (0.03)