Table 4 Odds ratios (OR) and 95% confidence intervals (CI) derived from multivariate binary logistic regression analysis with high coronal and root caries experience in 65-74 year-old Greeks as the dependent variable

High DMFS^a

Constant

0.315

0.0001

Gender (ref: male)

0.824

0.535-1.270

NS

Area (ref: rural)

1.437

0.910-2.267

NS

> 12 years of education

0.279

0.079-0.992

0.049

≥ 591 € monthly income

1.123

0.669-1.887

NS

High RDFS^a

Constant

0.896

0.541

Gender (ref: male)

0.691

0.469-1.019

NS

Area (ref: rural)

0.801

0.541-1.184

NS

> 12 years of education

0.429

0.152-1.211

NS

≥ 591 € monthly income

0.688

0.425-1.113

NS