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Table 3 Distribution of dental caries status of preschool children aged 4–6 years, univariate analysis (n = 1106)

From: Prevalence of dental caries in deciduous teeth and oral health related quality of life among preschool children aged 4–6 years in Kisarawe, Tanzania

No

Variable

Categories

% (n)

Chi square

P-value

1

Age

4 yrs

37 (100)

26.276

0.001

5 yrs

32.7 (184)

  

6 yrs

18.2 (50)

  

2

Sex

Male

31.6 (175)

1.017

0.313

Female

28.8 (159)

  

3

Visible plaque

Present

10.7 (8)

14.562

0.001

Absent

31.6 (326)

  

4

Does your teeth hurt you now?

Yes

39.9 (101)

14.709

0.001

No

27.3 (233)

  

5

Does your teeth hurt when you eat something hot or cold?

Yes

38.5 (79)

8.299

0.004

No

28.3 (255)

  

6

Does your teeth hurt when you eat something sweet?

Yes

38.9 (79)

8.964

0.003

No

28.2 (255)

  

7

Does a hurting tooth wake you up at night?

Yes

40.3 (64)

8.902

0.003

No

28.5 (270)

  

8

Does a hurting tooth stop you from playing?

Yes

36.0 (50)

2.513

0.113

No

29.4 (284)

  

9

Is it hard for you to chew and bite?

Yes

38.2 (81)

10.422

0.005

No

28.2 (252)

  

10

Do you like your teeth?

Yes

30.3 (327)

0.136

0.713

No

26.7 (7)

  

11

Are you happy with your teeth and smile?

Yes

30.5 (331)

2.232

0.135

No

15.0 (3)

  

12

Do kids make fun of your teeth?

Yes

47.1 (33)

10.178

0.001

No

29.1 (301)