Table 1 Discriminant validity of the 16 item P-CPQ and FIS in relation to dental caries, malocclusion and fluorosis

 DMFT+ dft = 0

3(5)

2(4)

1(4)

0(2)

7(11)

2(7)

 DMFT+ dft =1–3

3(5)

2(5)

1(5)

0(3)

9(14)

3(7)

 DMFT+ dft >3

3(5)

2(3)

1(5)

0(2)

7(11)

3(9)

 No

3(5)

2(4)

1(4)

0(2)

7(13)

2(6)^*

 Yes

3(5)

2(4)

1(4)

0(2)

7(12)

3(8)

 None to mild

3(5)^*

2(4)^*

1(3)^*

0(2)^*

7(11)^*

2(7)^*

 Moderate to severe

6(5)

4(5)

4(8)

1(5)

15.5(18)

5(9)