Table 4.
The Odds of Developing RA associated with a 4-fold elevation in each EBV serology
| Serology | Conditional Logistic Regression Model | OR (95%CI) |
|---|---|---|
| Anti-EBNA-1 | Unadjusted | 1.04 (0.76,1.44) |
| Adjusted for smoking and alcohol | 1.06 (0.75, 1.48) | |
| Anti-EBNA-2 | Unadjusted | 1.06 (0.79, 1.41) |
| Adjusted for smoking and alcohol | 1.08 (0.79, 1.47) | |
| Anti-VCA | Unadjusted | 1.03 (0.76, 1.39) |
| Adjusted for smoking and alcohol | 1.01 (0.74, 1.37) | |
| Anti-EA-Diffuse | Unadjusted | 7.16 (0.53, 96.19) |
| Adjusted for smoking and alcohol | 8.23 (0.58, 117.72) | |
| Anti-EA-Complex | Unadjusted | 0.95 (0.67, 1.36) |
| Adjusted for smoking and alcohol | 1.03 (0.70,1.51) |
EBNA: Epstein Barr nuclear antigen, VCA: viral capsid antigen, EA: early antigen; CI: confidence interval
1
Univariable conditional logistic regression, conditioned on matching factors
2
Multivariable conditional logistic regression, conditioned on matching factors, and adjusting for packyears of smoking and alcohol intake.