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Table 5 Association between factors and HAQ-DI score using multiple linear regression analysis

From: Impact of socio-demographic and clinical characteristics on functional disability and health-related quality of life in patients with rheumatoid arthritis: a cross-sectional study from Palestine

Variables Standardized coefficients (beta) p value
Age   
Continuous (1-year units) 0.226 < 0.001
Gender   
Male − 0.047 0.429
Female Ref  
Body mass index   
Normal 0.029 0.566
Overweight or obese Ref  
Residency   
City − 0.056 0.227
Others Ref  
Work status   
Unemployed 0.127 0.042
Employed Ref  
Income   
Moderate and high − 0.130 0.010
Low Ref  
Education   
University 0.001 0.990
No formal, primary, secondary Ref  
Smoking   
No − 0.078 0.084
Yes Ref  
Morning stiffness   
No − 0.157 0.005
Yes Ref  
Night pain   
No − 0.148 0.008
Yes Ref  
Comorbid diseases   
No − 0.218 < 0.001
Yes Ref  
Conventional DMARDs   
No − 0.009 0.888
Yes Ref  
Etanercept use   
No 0.164 0.009
Yes Ref  
  1. DMARDs disease-modifying antirheumatic drugs, HAQ-DI health assessment questionnaire disability index, SE standard error