Table 6.

Discriminant validity for the parental version

	Without caries experience (n = 107)		With caries experience (n = 86)		p-value*
	Mean (SD)	Median	Mean (SD)	Median
Total score	1.06 (1.65)	0.50	5.78 (6.59)	4.00	<0.001
Difficulty eating	0.35 (0.61)	0.00	1.47 (1.41)	1.00	<0.001
Difficulty speaking	0.08 (0.32)	0.00	0.47 (0.97)	0.00	0.002
Difficulty playing	0.01 (0.11)	0.00	0.53 (1.16)	0.00	<0.001
Difficulty sleeping	0.15 (0.47)	0.00	1.21 (1.47)	1.00	<0.001
Avoiding smiling (due to appearance)	0.20 (0.43)	0.00	0.79 (1.26)	0.00	0.001
Avoiding smiling (due to pain)	0.05 (0.21)	0.00	0.73 (1.22)	0.00	<0.001
Affected self-confidence	0.22 (0.52)	0.00	0.58 (1.13)	0.00	0.048

* Mann–Whitney test.