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Table 6 Construct validity of English PIDAQ with regards to self-perceived need for dental correction

From: Validation and reliability of the Malaysian English version of the psychosocial impact of dental aesthetics questionnaire for adolescents

PIDAQ variables

Need Braces

N

PIDAQ Scores

p value

Mean

SD

Quartiles

     

Lower

Middle

Upper

 

12–14 years

 Dental Self-Confidence

No

68

18.8

4.8

16.0

19.0

22.0

0.00*

Yes

85

13.3

5.3

9.0

13.0

17.0

 Social Impact

No

68

15.8

5.3

12.0

15.0

19.0

0.00*

Yes

85

21.1

6.9

15.5

20.0

27.0

 Psychological Impact

No

68

14.7

4.6

11.0

14.0

17.0

0.00*

Yes

85

18.3

5.6

14.0

17.0

23.5

 Aesthetic Concern

No

68

4.0

1.7

2.3

4.0

5.0

0.00*

Yes

85

5.3

2.0

4.0

5.0

6.0

Total PIDAQ

No

68

53.3

10.0

46.0

53.0

58.0

0.01*

 

Yes

85

58.0

11.8

49.0

57.0

69.0

15–17 years

 Dental Self-Confidence

No

47

18.9

4.3

16.0

18.0

22.0

0.00*

Yes

98

13.4

5.3

10.0

13.0

16.0

 Social Impact

No

47

15.6

5.5

10.0

17.0

20.0

0.00*

Yes

98

21.7

6.5

17.0

22.0

25.0

 Psychological Impact

No

47

13.3

4.4

9.0

13.0

17.0

0.00*

Yes

98

19.4

5.1

15.0

20.0

23.0

 Aesthetic Concern

No

47

3.7

1.4

2.0

4.0

5.0

0.00*

Yes

98

5.4

1.8

4.0

5.0

6.3

 Total PIDAQ

No

47

51.4

9.9

44.0

51.0

57.0

0.00*

 

Yes

98

59.9

11.7

51.0

61.0

68.3

12–17 years

 Dental Self-Confidence

No

115

18.8

4.6

16.0

19.0

22.0

0.00*

Yes

183

13.4

5.1

10.0

13.0

16.0

 Social Impact

No

115

15.7

5.4

11.0

15.0

19.0

0.00*

Yes

183

21.4

6.7

16.0

21.0

26.0

 Psychological Impact

No

115

14.1

4.5

10.0

14.0

17.0

0.00*

Yes

183

18.9

5.3

15.0

19.0

23.0

 Aesthetic Concern

No

115

3.9

1.6

2.0

4.0

5.0

0.00*

Yes

183

5.3

1.9

4.0

5.0

6.0

 Total PIDAQ

No

115

52.5

10.0

45.0

53.0

58.0

0.00*

Yes

183

59.0

11.7

50.0

59.0

69.0

  1. *p < 0.05; Excluded those who answered ‘don’t know’