Table 3 Odds ratio for significant factors that associate with chronic and aggressive periodontitis in relation to subjects with no periodontitis

Age

Young

1

Ref

1

Ref

1

Ref

Older

6.00

2.30-15.64***

24.37

2.78-33.63***

4.55

1.32-15.70*

Gender

Male

1

Ref

1

Ref

Female

0.62

0.31-1.27

0.92

0.31-2.78

Education

High Ed

1

Ref

1

Ref

Low Ed

5.57

1.22-25.48*

17.15

3.10-95.04***

Family history

No FH

1

Ref

1

Ref

1

Ref

FH

2.67

1.13-6.30*

20.80

4.00-108.24***

9.42

1.62-54.85*

Residency

Urban

1

Ref

1

Ref

Rural

1.11

0.44-2.75

3.11

0.91-10.39+

Married

No

1

Ref

1

Ref

Yes

2.11

1.02-4.34*

2.441

0.78-7.68

Ethnicity

Romanian

1

Ref

1

Ref

Non Romanian

0.60

0.22-1.68

1.3

0.35-4.76

Smoking

No (74)

1

Ref

1

Ref

Yes (51)

2.45

1.03-5.77*

6.82

1.91-24.41**

Tooth number

High (>22)

1

Ref

1

Ref

1

Ref

Low (<22)

6.34

1.80-22.42***

52.00

10.31-262.11***

12.94

1.54-108.60*

Root rest number

1.33

1.03-1.73*

1.32

0.97-1.79+

Carious lesions

1.07

0.94-1.22

1.17

0.97-1.41+

Fillings

1.03

0.94-1.12

0.93

0.79-1.08

Prosthetic crowns

1.23

1.00-1.52*

1.24

0.94-1.63

Endodontic treatment

1.16

0.99-1.35+

1.03

0.80-1.33

Periapical lesions

1.24

0.96-1.62+

1.23

0.84-1.81