Tooth brushing

<2 times a day            ≥2 times a day

p

N

%

N

%

Parents’ educational level

≥4 grade

2

10.5

17

89.5

0.503

5 - 12 grade

24

10.3

210

89.7

>12 grade

6

9.0

61

91.0

Father’s professional situation

Employed

30

9.6

283

90.4

0.521

Unemployed

4

10.3

35

89.7

Gender

Male

27

16.4

138

83.6

<0.001

Female

14

5.1

261

94.9

Age

≤15 years

23

10.3

200

89.7

0.252

>15 years

15

7.9

175

92.1

Residence area

Rural

20

8.8

207

91.2

0.365

Urban

14

10.4

120

89.6

Crowding index

≤1

32

9.1

318

90.9

0.545

>1

2

11.8

15

88.2