Table 3 Unadjusted and adjusted model showing the association between days of use of sulfasalazine treatment and dementia diagnosis in people with rheumatoid arthritis using conditional logistic regression
Variable group | Model 0 | Model 1 | Model 2 | |||
|---|---|---|---|---|---|---|
Unadjusted OR (95% CI) | p value | Adjusted OR (95% CI) | p value | Adjusted OR (95% CI) | p value | |
No sulfasalazine use | Ref | Ref | Ref | |||
Sulfasalazine use for 0.49 years (first tertile) | 0.60 (0.28–1.31) | 0.20 | 0.65 (0.30–1.41) | 0.28 | 0.65 (0.30–1.41) | 0.28 |
Sulfasalazine use for 0.49 to 2.21 years (second tertile) | 0.93 (0.45–1.93) | 0.85 | 0.94 (0.45–1.95) | 0.86 | 0.89 (0.43–1.85) | 0.76 |
Sulfasalazine use for > 2.21 years (third tertile) | 1.21 (0.58–2.51) | 0.62 | 1.16 (0.55–2.44) | 0.69 | 1.19 (0.57–2.48) | 0.65 |