Table 5.
Cigarette Smoking Status, by Self-Reported Rheumatoid Arthritis, DMARD Use at Baseline, and Anti-CCP Status,a Among Participants in the Women's Health Initiative Rheumatoid Arthritis Study, 2009–2011b
| Smoking Status |
Anti-CCP+/DMARD Use (n = 275) |
Anti-CCP+/No DMARD Use (n = 537) |
Anti-CCP−/DMARD Use (n = 217) |
Anti-CCP−/No DMARD Use (n = 8,951) |
No Reported History of RA (n = 133,741) |
Age- Adjusted P Value |
|||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| No. | % | No. | % | No. | % | No. | % | No. | % | ||
| Past smoker | 138 | 50.2 | 245 | 45.6 | 104 | 48.0 | 3,557 | 39.7 | 56,458 | 42.2 | <0.0001 |
| Current smoker | 20 | 7.3 | 75 | 14.0 | 15 | 6.9 | 751 | 8.4 | 9,095 | 6.8 | <0.0001 |
Abbreviations: anti-CCP, anti-cyclic citrullinated peptide; DMARDs, disease-modifying antirheumatic drugs [excluding prednisone]; RA, rheumatoid arthritis.
a +, positive; –, negative.
b Totals reflect the fact that information on anti-CCP status was missing for 7 women and information on DMARD use was missing for 1 woman.