Skip to main content

Table 5 Odds ratios for pre-RA ACPA+ RA using conditional logistic regression, restricted to never smokers (n = 39 outcomes from total n = 156) in the Nurses’ Health Studies

From: Asthma and elevation of anti-citrullinated protein antibodies prior to the onset of rheumatoid arthritis

 OR (95%CI) adjusted for matching factorsaMultivariableb OR (95%CI)
No asthma1.00 (Ref)1.00 (Ref)
Asthma4.56 (1.32, 15.70)4.62 (1.28, 16.64)
  1. CI confidence interval, OR odds ratio
  2. aCases and controls were matched by age at index date, time from blood draw to index date, cohort, calendar year, fasting status, menopausal status, and postmenopausal hormone use
  3. bAdjusted for parental passive smoking (yes/no), ever lived with smoker (yes/no), and body mass index (continuous, kg/m2)