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Table 1 Profile of 15-year-old participants

From: The factors that influence oral health-related quality of life in 15-year-old children

 

Female

Male

Total

P

 

N

Percentage

N

Percentage

N

Percentage

IOTN (DHC) treatment need

 No need

88

47.3%

106

59.6%

194

53.3%

0.052

 Borderline need

48

25.8%

30

16.9%

78

21.4%

 Definite need

50

26.9%

42

23.6%

92

25.3%

IOTN (AC) treatment need

 No need

148

79.6%

142

79.8%

290

79.7%

0.850

 Borderline need

23

12.4%

27

15.2%

50

13.7%

 Definite need

15

8.1%

9

5.1%

24

6.6%

DAI severity and treatment need

 Normal or minor malocclusion-no treatment need or slight need

78

41.9%

75

42.1%

153

42.0%

0.877

 Definite malocclusion-treatment selective

55

29.6%

56

31.5%

111

30.5%

 Severe malocclusion-treatment highly desirable

36

19.4%

29

16.3%

65

17.9%

 Very severe (handicapping) malocclusion-treatment mandatory

17

9.1%

18

10.1%

35

9.6%

ICON treatment need

 No

117

62.9%

124

69.7%

241

66.2%

0.173

 Yes

69

37.1%

54

30.3%

123

33.8%

ICON complexity

 Easy

52

28.0%

51

28.7%

103

28.3%

0.730

 Mild

95

51.1%

93

52.2%

188

51.6%

 Moderate

19

10.2%

15

8.4%

34

9.3%

 Difficult

9

4.8%

12

6.7%

21

5.8%

 Very difficult

11

5.9%

7

3.9%

18

4.9%

PAR

 Almost ideal occlusion

37

19.9%

32

18.0%

69

19.0%

0.428

 Acceptable occlusion

53

28.5%

66

37.1%

119

32.7%

 Malocclusion

96

51.6%

80

44.9%

176

48.4%

Periodontal status

 CPI score = 0

17

9.1%

10

5.6%

27

7.4%

0.201

 CPI score > 0

169

90.9%

168

94.4%

337

92.6%

 CPI score < 2

35

18.8%

26

14.6%

61

16.8%

0.283

 CPI score = 2

151

81.2%

152

85.4%

303

83.2%

Caries experience

 < SiC Index value

158

84.9%

159

89.3%

317

87.1%

0.214

 > =SiC Index value

28

15.1%

19

10.7%

47

12.9%

 DMFT = 0

76

40.9%

96

53.9%

172

47.3%

0.013*

 DMFT> 0

110

59.1%

82

46.1%

192

52.7%

DMFT

 

Mean(SD)

 

Mean(SD)

 

Mean(SD)

 
 

186

2.01 (2.57)

178

1.38 (2.12)

364

1.70 (2.38)

0.012*

  1. P: comparison for DMFT used the independent samples t test; others used the Mann-Whitney U test
  2. IOTN index of orthodontic treatment need, DHC dental health component, AC aesthetic component, ICON index of complexity, outcome and need, PAR peer assessment rating, CPI community periodontal index, DMFT decayed, missing and filled teeth, SiC Index significant caries index; SiC index value (SD) was 4.48 (2.24)
  3. *: P < 0.05, **P < 0.01