Development of Danish version of child oral-health-related quality of life questionnaires (CPQ8–10 and CPQ11–14)

Table 4 The internal consistency and inter-item correlation for CPQ_8–10 and CPQ_11–14 and their subdomains

	Chronbach's α		Average inter-item correlations
	CPQ_8–10	CPQ_11–14	CPQ_8–10	CPQ_11–14
Overall score	0.82	0.87	0.15	0.16
Oral symptoms	0.57	0.49	0.21	0.14
Functional limitations	0.78	0.69	0.37	0.20
Emotional well-being	0.76	0.85	0.34	0.40
Social well-being	0.69	0.68	0.17	0.14

ISSN: 1472-6831