Table 2 Odds ratios (OR) and 95% confidence intervals (CI) derived from multivariate binary logistic regression analysis with high coronal and root caries experience in 35-44-year-old Greeks as the dependent variable

High DMFS^a

Constant

0.518

0.015

Gender (ref: male)

1.679

1.243-2.267

0.001

Area (ref: rural)

0.787

0.571-1.085

NS

> 12 years of education

0.321

0.193-0.535

0.0001

≥ 1761 € monthly income

0.835

0.357-1.957

NS

High RDFS^a

Constant

0.273

0.0001

Gender (ref: male)

1.141

0.746-1.744

NS

Area (ref: rural)

0.743

0.476-1.158

NS

> 12 years of education

0.346

0.180-0.664

0.001

≥ 1761 € monthly income

0.375

0.080-1.750

NS