Table 2 Differences of characteristics among age groups

Gender

0.496

Girl

36(50.7)

37(41.6)

61(47.3)

Boy

35(49.3)

52(58.4)

68(52.7)

Parental Age

< 0.001*

< 20

6(8.5)

8(9.0)

6(4.7)

20–29

8(11.3)

13(14.6)

12(9.3)

30–40

43(60.5)

55(61.8)

52(40.3)

> 40

14(19.7)

13(14.6)

59(45.7)

Having siblings

0.038*

Yes

36(50.7)

59(66.3)

88(68.2)

No

35(49.3)

30(33.7)

41(31.8)

Parent’s education level

0.064

Under 12th Grade or equal

9(12.7)

21(23.6)

33(25.6)

Bachelor’s degree

42(59.2)

56(62.9)

68(52.7)

Above or equal to Master’s degree

20(28.2)

12(13.5)

28(21.7)

Monthly family income (THB)

0.316

≤ 20,000

12(16.9)

26(29.2)

33(25.6)

20,001–30,000

13(18.3)

16(18.0)

29(22.5)

> 30,001

46(64.8)

47(52.8)

67(51.9)

Reasons for having FDV

< 0.001*

Presence of symptoms/chief complaints

(dental caries, pain, trauma, malocclusion, others)

22(31.0)

66(74.2)

96(74.4)

No symptoms/complaints

(dental check-up)

49(69.0)

23(25.8)

33(25.6)

Reasons for not having FDV earlier^a

0.001*

No symptoms

38(53.5)

57(64.0)

49(61.2)

No time

11(15.5)

10(11.2)

30(23.3)

Cooperative problem

1(1.4)

5(5.6)

10(7.8)

Financial problem

21(29.6)

16(18.0)

10(7.8)

Others

0(0)

1(1.2)

0(0)

Presence of dental caries

< 0.001*

Yes

34(47.9)

73(82.0)

114(88.4)

No

37(52.1)

16(18.0)

15(11.6)

(Mean ± SD)

Knowledge score^b

3.79 ± 0.98

3.42 ± 1.15

3.49 ± 0.99

0.085

Attitude score^b

3.41 ± 1.30

3.21 ± 1.39

2.94 ± 1.40

0.001*