Validation and reliability of the translated Malay version of the psychosocial impact of dental aesthetics questionnaire for adolescents

Table 3 Internal consistency, scale statistics and inter-item correlations of the Malay PIDAQ subscales

	N	Cronbach’s α	Scale statistics		Inter-item correlations			Item total correlation
			Mean	SD	Mean	Min	Max	Min	Max
	12-14 years
Dental Self-Confidence	319	0.87	18.73	5.61	0.53	0.35	0.69	0.49	0.77
Social Impact	319	0.88	19.40	7.30	0.50	0.31	0.69	0.56	0.75
Psychological Impact	319	0.82	17.27	5.12	0.43	0.23	0.71	0.36	0.72
Aesthetic Concern	319	0.71	4.58	2.01	0.55	0.55	0.55	0.55	0.55
	15-17 years
Dental Self-Confidence	271	0.89	19.36	5.59	0.57	0.37	0.74	0.57	0.83
Social Impact	271	0.91	18.82	7.14	0.56	0.45	0.69	0.63	0.78
Psychological Impact	271	0.88	17.23	5.57	0.55	0.31	0.76	0.45	0.79
Aesthetic Concern	271	0.71	4.74	1.91	0.56	0.56	0.56	0.56	0.56
	12-17 years
Dental Self-Confidence	590	0.88	19.02	5.61	0.55	0.36	0.71	0.53	0.80
Social Impact	590	0.89	19.13	7.23	0.52	0.39	0.68	0.59	0.75
Psychological Impact	590	0.85	17.25	5.33	0.48	0.29	0.73	0.40	0.75
Aesthetic Concern	590	0.71	4.65	1.97	0.55	0.55	0.55	0.55	0.55

ISSN: 1477-7525