Assessment of the quality of measures of child oral health-related quality of life

BMC Oral Health

Table 4 Best evidence synthesis per questionnaire

Questionnaire	Content validity	Internal consistency	Construct validity	Reliability
CPQ _11–14	+	?	+++	+
CPQ _8–10	?	+	++	+
CPQ _11–14 short forms	n/a	?	+	+
COHIP	+++	?	+++	+
C-OIDP	+	?	+	+

+++ or --- = strong evidence of positive or negative result respectively; ++ or – = moderate evidence of positive or negative result respectively; + or – = limited evidence of positive or negative result respectively; ± = conflicting results; ? = unknown due to poor methodological quality of study, n/a = no information available.

ISSN: 1472-6831