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Table 4 Regression models assessing variables impacting RA HAQ

From: Cross-sectional association between social and demographic factors and disease activity in rheumatoid arthritis

 

Unadjusted Model

Adjusted Modela

OR

95% CI

OR

95% CI

Female vs. Male

1.69

1.17—2.44

1.57

0.96—2.59

Age

1.01

0.99—1.02

0.99

0.97—1.01

Black vs. White

1.44

0.87—2.41

1.19

0.67—2.12

Smoking

1.74

1.14—2.66

0.71

0.47—1.07

Drinking

0.45

0.33—0.60

0.77

0.53—1.12

Education

  

NA

NA

 < High School

Reference

   

High School

0.49

0.23—1.04

  

College

0.31

0.14—0.68

  

Graduate

0.22

0.09—0.50

  

Employment

Working

Reference

 

Reference

 

Retired

2.31

1.61—3.32

2.02

1.14—3.60

Not working

1.34

0.74—2.41

0.67

0.30—1.49

Disabled

12.19

6.82—21.81

9.14

4.37—19.10

Marital Status

  

NA

NA

Married

Reference

   

Single

2.25

1.44—3.50

  

Separated; Divorced; Widowed

2.05

1.46—2.88

  

Annual income

0-25 K

Reference

 

Reference

 

25-50 K

0.39

0.25—0.60

0.52

0.31—0.86

50-75 K

0.31

0.18—0.51

0.59

0.32—1.08

75-100 K

0.16

0.08—0.31

0.25

0.12—0.53

 > 100 K

0.13

0.07—0.27

0.24

0.10—0.54

BMI

1.05

1.03—1.08

1.05

1.02—1.09

Disease duration

0–2 years

Reference

 

Reference

 

 > 2–10 years

2.45

1.44—3.50

0.65

0.35—1.21

 > 10 years

2.05

1.46—2.88

0.91

0.50—1.65

  1. aModel adjusted for age, gender, BMI, smoking, drinking, employment status, annual income, and disease duration