Table 5 Association between severe periodontitis and RA disease activity (referred to patients in remission): ordinal logistic regression model
Estimation | SE | p | OR (95% CI) | |
|---|---|---|---|---|
Bivariate model | ||||
Threshold | ||||
Remission | −0.969 | 0.210 | ||
Low | 0.099 | 0.193 | ||
Periodontitis = Level 2 (ref. to 0 + 1) | 1.105 | 0.308 | < 0.001 | 3.02 (1.65–5.52) |
Multivariate model | ||||
Threshold | ||||
Remission | −3.665 | 1.703 | ||
Low | −2.504 | 1.687 | ||
Periodontitis = Level 2 (ref. to 0 + 1) | 0.979 | 0.392 | 0.012 | 2.66 (1.24–5.74) |
Age | −0.042 | 0.022 | 0.060 | 0.96 (0.92–1.00) |
Gender = man (ref. to woman) | −1.225 | 0.520 | 0.019 | 0.29 (0.11–0.81) |
Socioeconomic status (ref. to poverty (Ext + Rel)) | ||||
High | −1.465 | 0.713 | 0.040 | 0.23 (0.06–0.94) |
Medium | −0.186 | 0.587 | 0.752 | 0.83 (0.26–2.63) |
Low | −0.138 | 0.431 | 0.749 | 0.87 (0.37–2.03) |
Annual dental prophylaxis = Yes (ref. to no) | −0.444 | 0.395 | 0.260 | 0.64 (0.30–1.39) |
Osteoporosis (ref. to no) | ||||
Osteopenia | 0.034 | 0.446 | 0.940 | 1.03 (0.43–2.48) |
Osteoporosis | 0.403 | 0.544 | 0.458 | 1.50 (0.52–4.35) |
Smoking (ref. to no) | ||||
Smoker | 0.303 | 0.537 | 0.572 | 1.35 (0.47–3.88) |
Former smoker | 0.086 | 0.460 | 0.851 | 1.09 (044–2.69) |
Stress = Yes (ref. to no) | 0.978 | 0.497 | 0.049 | 2.66 (1.00–7.04) |
BMI (continuous) | −0.011 | 0.043 | 0.800 | 0.99 (0.91–1.08) |
HTA = Yes (ref. to no) | 0.808 | 0.429 | 0.059 | 2.24 (0.97–5.20) |
MI = Yes (ref. to no) | 1.143 | 0.983 | 0.245 | 3.14 (0.46–21.51) |