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Table 3 Associations between low social support and DAS28-CRP remission in patients with rheumatoid arthritis (n = 2800); overall and analyses of subgroups

From: Neither low social support nor low decision latitude at work is associated with disease remission among patients with rheumatoid arthritis: results from the Swedish EIRA study

  3 months’ follow-up 12 months’ follow-up 60 months’ follow-up
  Crude modela Adjusted modela Crude modela Adjusted modela Crude modela Adjusted modela
All patients,n 500/1894   479/1838   426/1628  
 OR (95% CI) 0.86 (0.69–1.07) 0.93 (0.74–1.16) 0.89 (0.73–1.10) 0.96 (0.77–1.18) 0.89 (0.72–1.10) 0.89 (0.72–1.10)
Women,n 354/1338   341/1294   315/1168  
 OR (95% CI) 0.86 (0.66–1.27) 0.93 (0.71–1.22) 0.93 (0.73–1.18) 0.99 (0.77–1.28) 0.88 (0.69–1.13) 0.89 (0.69–1.15)
Men,n 146/556   138/541   111/460  
 OR (95% CI) 0.82 (0.55–1.24) 0.90 (0.59–1.37) 0.80 (0.54–1.16) 0.86 (0.58–1.27) 0.89 (0.59–1.36) 0.91 (0.59–1.39)
ACPA-positive,n 322/1210   311/1189   309/1120  
 OR (95% CI) 0.89 (0.68–1.17) 0.96 (0.72–1.26) 0.88 (0.68–1.14) 0.92 (0.71–1.19) 0.93 (0.72–1.20) 0.94 (0.73–1.21)
ACPA-negative,n 169/639   162/605   111/482  
 OR (95% CI) 0.80 (0.54–1.20) 0.89 (0.59–1.35) 0.93 (0.65–1.32) 1.00 (0.69–1.46) 0.77 (0.51–1.17) 0.79 (0.52–1.21)
Ever smokers,n 350/1182   338/1150   294/1026  
 OR (95% CI) 0.82 (0.62–1.07) 0.86 (0.65–1.13) 0.89 (0.69–1.14) 0.93 (0.72–1.20) 0.97 (0.75–1.26) 1.02 (0.78–1.32)
Never smokers,n 136/637   128/615   124/557  
 OR (95% CI) 1.09 (0.73–1.63) 1.14 (0.76–1.71) 1.03 (0.70–1.52) 1.05 (0.71–1.55) 0.78 (0.52–1.15) 0.80 (0.54–1.19)
Education ≤12 years,n 399/1288   384/1278   342/1138  
 OR (95% CI) 0.89 (0.69–1.15) 0.93 (0.72–1.20) 0.94 (0.74–1.18) 0.97 (0.76–1.23) 0.94 (0.74–1.20) 0.95 (0.74–1.21)
Education >12 years,n 87/530   82/487   76/445  
 OR (95% CI) 0.88 (0.54–1.45) 0.91 (0.55–1.51) 0.89 (0.56–1.43) 0.93 (0.58–1.51) 0.92 (0.56–1.51) 0.98 (0.59–1.62)
Ever drinkers,n 417/1665   399/1608   357/1445  
 OR (95% CI) 0.94 (0.74–1.19) 0.97 (0.76–1.19) 0.90 (0.72–1.12) 0.92 (0.74–1.15) 1.03 (0.82–1.30) 1.09 (0.86–1.38)
Never drinkers,n 66/152   65/155   58/137  
 OR (95% CI) 0.62 (0.30–1.31) 0.61 (0.29–1.31) 1.22 (0.67–2.23) 1.31 (0.71–2.45) 0.34 (0.17–0.66) 0.35 (0.18–0.68)
Symptom duration above median,n 258/976   241/952   207/810  
 OR (95% CI) 0.82 (0.60–1.12) 0.88 (0.64–1.21) 0.89 (0.66–1.18) 0.97 (0.72–1.31) 0.96 (0.71–1.30) 1.03 (0.76–1.41)
Symptom duration below median,n 242/918   238/883   219/818  
 OR (95% CI) 0.92 (0.67–1.27) 1.01 (0.73–1.40) 0.92 (0.69–1.24) 0.98 (0.72–1.32) 0.82 (0.61–1.11) 0.82 (0.61–1.11)
  1. aLogistic models comparing the odds of remission among patients reporting social support in the lowest quartile compared with patients reporting higher social support. Crude model adjusted for age and sex; adjusted model adjusted for age, sex, smoking habits, educational level, alcohol habits, and symptom duration. “n” indicates the number of patients with low social support/not low social support in each subgroup