Table 3 Variables of the multiple logistic regression models together with each Odds Ratio (OR), 95% confidence interval and p-values

Gender

0.7 (0.3-1.5)

0.33

Age

1 (1-1.1)

0.4

Teeth with caries

1.3 (0.8-2.2)

0.38

Teeth with fillings

0.9 (0.9-1)

0.09

Missing teeth

1 (0.9-1)

0.16

Mean bone loss

2.4 (1.5-3.8)

<0.001

Periodontal treatment

0.2 (0.1-0.5)

<0.001

Alcohol

1 (0.9-1)

0.28

Tobacco/pack years

1 (1-1.1)

<0.001