Validity of Italian version of the Child Perceptions Questionnaire (CPQ11-14).

Construct validity The correlations between the global ratings on oral health and overall well-being and the total score were found to be highly significant (Table 3 ).

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There were significant differences in the two genders, in the groups that had already or had not yet undergone orthodontic treatment, and in the social classification groups, while the difference between those who had and those who did not have caries experience did not reach statistical significance.

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