Validity and reliability of the Persian version of the psychosocial impact of dental aesthetics questionnaire

Naseri, Navid; Baherimoghadam, Tahereh; Rasooli, Reza; Hamzeh, Moein; Merikh, Fahimeh

doi:10.1186/s12955-019-1188-8

Health and Quality of Life Outcomes

Table 2 Factor loadings of the PIDAQ item scale scores after principal component analysis and orthogonal rotation

From: Validity and reliability of the Persian version of the psychosocial impact of dental aesthetics questionnaire

	Dental self-confidence	Social impact	Psychological impact	Aesthetic concern	Cronbach’s Alpha if Item Deleted
1. I am proud of my teeth.	0.784^*	0.007	0.174	0.162	0.861
2. I like to show my teeth when I smile.	0.655^*	−0.036	−0.076	0.119	0.897
3. I am pleased when I see my teeth in the mirror.	0.837^*	0.051	0.085	0.183	0.851
4. My teeth are attractive to others.	0.792^*	0.092	0.159	0.135	0.861
5. I am satisfied with the appearance of my teeth.	0.801^*	0.193	0.285	0.100	0.851
6. I find my tooth position to be very nice.	0.733^*	0.185	0.226	0.050	0.870
7. I hold myself back when I smile so my teeth don’t show so much.	0.300	0.581^*	0.058	0.381	0.826
8. If I don’t know people well, I am sometimes concerned about what they might think about my teeth.	0.162	0.658^*	0.184	0.349	0.829
9. I am afraid that other people could make offensive remarks about my teeth.	0.110	0.724^*	0.283	0.032	0.880
10. I am somewhat inhibited in social situations because of my teeth.	0.051	0.646^*	0.090	0.401	0.840
11. I sometimes catch myself holding my hand in front of my mouth to hide my teeth.	0.135	0.492^*	0.158	0.469	0.832
12. Sometimes, I think people are staring at my teeth.	−0.186	0.479^*	0.169	0.327	0.854
13. Remarks about my teeth irritate me even when they are meant jokingly.	0.110	0.602^*	0.503	−0.071	0.828
14. I sometimes worry about what members of the opposite sex think about my teeth.	0.081	0.594^*	0.425	0.264	0.835
15. I envy the nice teeth of other people.	0.071	0.061	0.737^*	0.199	0.818
16. I am somewhat distressed when I see other people’s teeth.	0.067	0.283	0.626^*	0.317	0.874
17. Sometimes I am somewhat unhappy about the appearance of my teeth.	0.249	0.408	0.551^*	0.234	0.871
18. I think that most people I know have nicer teeth than I do.	0.271	0.230	0.576^*	0.317	0.881
19. I feel bad when I think about what my teeth look like.	0.269	0.391	0.575^*	0.369	0.874
20. I wish my teeth looked better.	0.193	0.328	0.664^*	0.050	0.870
21. I don’t like to see my teeth in the mirror.	0.170	0.313	0.299	0.583^*	0.874
22. I don’t like to see my teeth in photographs.	0.267	0.037	0.341	0.684^*	0.865
23. I don’t like to see my teeth while I look at a video of myself.	0.193	0.217	0.219	0.766^*	0.874
Variance Explained (Initial solution)	9.036	2.824	1.257	0.937
% of Variance Explained (Initial solution)	39.287	12.280	5.465	4.073
% of Variance Explained (rotation solution)	18.017	15.303	14.821	12.964
Cumulative % of Variance Explained (rotation solution)	18.017	33.320	48.141	61.105

P < 0.05 *

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ISSN: 1477-7525

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