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Table 1 Characteristics of student’s oral health indexes dmft, DMFT and PI according to their demographic variables

From: Association of caries experience and dental plaque with sociodemographic characteristics in elementary school-aged children: a cross-sectional study

Variables

Categories

 

dmfta

DMFTa

PIb

  

N

Mean (SD)

With cariesc (%)

Mean (SD)

With cariesc (%)

Mean (SD)

Total

 

988

3.61(3.58)

73.00

0.79(1.53)

35.30

46.51(24.75)

Gender

Boys

503

4.04(3.78)

77.50

0.63(1.17)

30.00

47.08(25.26)

 

Girls

485

3.16(3.31)

68.20

0.96(1.49)

40.80

45.92(24.22)

Age(year)

7

153

6.53(4.37)

94.10

0.15(0.54)

9.20

39.00(23.34)

 

8

150

5.85(3.30)

93.30

0.70(0.10)

36.70

40.39(20.07)

 

9

158

4.91(2.77)

94.30

0.77(1.31)

35.40

47.29 (24.64)

 

10

155

3.08(2.73)

80.60

0.82(1.39)

36.10

49.45(24.85)

 

11

178

1.69(2.11)

57.90

0.99(1.33)

45.50

48.91(26.02)

 

12

194

0.71(1.34)

30.90

1.17(1.77)

48.80

51.97(25.86)

District

Center

571

3.64(3.61)

71.60

0.86(1.44)

36.80

46.70(24.96)

 

Suburb

417

3.57(3.55)

74.80

0.69(1.21)

33.30

46.25(24.49)

Dental pain experience

Never

284

2.64(3.42)

58.10

0.79(1.40)

33.10

47.97(26.70)

 

Seldom

432

3.32(3.22)

74.80

0.82(1.41)

36.30

46.50(24.35)

 

Often

272

5.07(3.84)

85.70

0.74(1.20)

36.00

45.00(23.23)

Father’s Education

≤Primary

58

4.02(3.81)

79.30

0.76(1.21)

34.50

48.87(26.24)

 

High School

790

3.65(3.62)

73.20

0.79(1.38)

35.60

46.06(24.89)

 

<High School

140

3.22(3.22)

69.30

0.79(1.22)

34.30

48.07(23.35)

Mother’s Education

≤Primary

59

4.54(4.34)

76.30

0.71(1.20)

32.20

50.64(26.06)

 

High School

827

3.61(3.57)

73.60

0.80(1.38)

35.40

46.23(24.95)

 

<High School

102

3.05(3.04)

65.70

0.77(1.19)

36.30

46.41(22.28)

Father’s occupation

worker

129

3.89(3.81)

76.00

0.78(1.33)

36.40

48.68(25.99)

 

Government service

631

3.77(3.64)

75.10

0.78(1.32)

35.30

45.47(24.43)

 

Self-employment

223

2.97(3.17)

65.50

0.83(1.44)

34.50

47.32(24.10)

 

No job

5

3.80(5.21)

60.00

1.20(1.78)

40.00

85.00(33.54)

Mother’s occupation

worker

8

7.00(3.62)

100.00

0.63(1.40)

25.00

55.50(27.62)

 

Government service

101

4.07(3.99)

59.30

0.76(1.35)

40.70

43.19(23.50)

 

Self-employment

59

2.93(3.36)

75.20

0.90(1.25)

31.70

49.41(22.08)

 

No job

820

3.57(3.53)

73.40

0.79(1.36)

35.50

46.62(25.04)

Parent Supervision

Yes

350

2.47(2.92)

63.40

1.00(1.54)

42.60

49.79(25.63)

 

No

638

4.23(3.76)

78.20

0.67(1.22)

31.30

44.71(24.08)

  1. admft/DMFT is an index to show teeth decayed, missing, or filled tooth
  2. bPI denoted that present data for plaque index
  3. cdichotomous estimate (proportion of elementary school-age children with any decayed, missing, or filled tooth: dmfT/DMFT >0 in %)