Table 4.
Predictive factors of interstitial lung disease.
| Variables | Modality | OR (CI at 95%) | p |
|---|---|---|---|
| Intercept | 0.0423 (0.00458-0.300) | <0.01 | |
| Smoking | Yes | 4.76 (1.52-16.8) | 0.01 |
| Physical activity | None | 1.90 (0.651-5.74) | 0.25 |
| Regular | 0.364 (0.0885-1.33) | 0.14 | |
| ACPA | Positive | - | - |
| Negative | 0.294 (0.0916-0.857) | 0.03 | |
| DAS28 CRP | - | 2.13 (1.38-3.51) | <0.01 |
| R2 de Nagelkerke = 34.9% | |||
OR, odds ratio; CI, confidence interval; ACPA, anti-citrullinated protein antibodies; DAS28, disease activity index 28; CRP, C-reactive protein.