Skip to main content

Advertisement

Springer Nature is making Coronavirus research free. View research | View latest news | Sign up for updates

Table 5 Association between severe periodontitis and RA disease activity (referred to patients in remission): ordinal logistic regression model

From: Association between severity of periodontitis and clinical activity in rheumatoid arthritis patients: a case–control study

  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)
  1. BMI body mass index, CI confidence interval, Ext + Rel extreme poverty plus relative poverty, HTA hypertension, MI myocardial infarction, OR odds ratio, RA rheumatoid arthritis, SE standard error