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Table 5 Univariable analysis of medication adherence (demographics and clinical data) (Data for all participants)

From: Determinants of adherence to disease modifying anti-rheumatic drugs in White British and South Asian patients with rheumatoid arthritis: a cross sectional study

Categorical variables Median MARS score (interquartile range) P value
Gender 0.982*
M 28 (25–30)  
F 28 (24–30)  
Level of education 0.083**
Primary 26 (24–27)  
Secondary 27 (24–30)  
College 28 (25–30)  
University 28 (26–30)  
Employment 0.219**
Full time 28 (25–30)  
Part time 28 (22–30)  
Unemployment 30 (28–30)  
Never employed 23 (NA)  
Not working due to RA 26 (23–30)  
Not working for other reason 26 (22–30)  
Home maker 26 (24–29)  
Retired 29 (26–30)  
English spoken by patient <0.001*
Yes 28 (26–30)  
No 24 (22–28)  
Same language spoken by patient and GP 0.002*
Yes 28 (25–30)  
No 24 (22–27)  
Patient Literacy level 0.053*
Yes 28 (24–30)  
No 24 (24–28)  
Ethnicity 0.013*
White British 28 (26–30)  
South Asian 26 (23–30)  
Oral /Biologic DMARDs
Methotrexate   0.202*
Currently on 28 (24–30)  
Not on 26 (25–28)  
Sulphasalazine 0.058*
Currently on 26 (23–30)  
Not on 28 (25–30)  
Hydroxychloroquine 0.621*
Currently on 28 (22–30)  
Not on 28 (24–30)  
Anti-TNF 0.199*
Currently on 28 (24–30)  
Not on 27 (24–30)  
Patients’ country of birth 0.014**
UK 28a (25–30)  
India 26a (22–29)  
Pakistan 28 (27–30)  
Continuous variables (Spearman correlation)
Age 0.093 0.212
Number of years of education 0.183a 0.014
Number of years in UK −0.177 0.165
Disease duration 0.058 0.438
DAS CRP 0.032 0.674
IMD −0.075 0.315
  1. aMann–Whitney, bKruskal Wallis * India vs UK P=0.0154 (Dunn’s Test) * = significant at <0.05, ** = significant at <0.01. GP = General Practitioner