Table 2.

Discriminant validity of the 8 item P-CPQ in relation to dental caries, malocclusion and fluorosis

	Oral symptoms	Functional limitations	Emotional well being	Social well being	8 item P-CPQ
	Median (IQR)	Median (IQR)	Median (IQR)	Median (IQR)	Median (IQR)
Dental caries
DMFT + dft =0	2(3)	1(3)	0(2)	0(0)	4(7)
DMFT + dft =1–3	2(3)	1(3)	0(2)	0(1)	5(8)
DMFT + dft >3	2(3)	0(3)	0(3)	0(0)	4(6)
Malocclusion
No	2(3)	1(3)	0(2)	0(1)	4(6)
Yes	2(3)	1(3)	0(2)	0(1)	4(8)
Fluorosis
None to mild	2(3)*	1(2)*	0(2)*	0(0)*	4(6)*
Moderate to severe	3(2)	2(3)	1.5(4)	0(3)	8(10)

^*Mann Whitney U test, p < 0.001