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Measurement invariance of a body dysmorphic disorder symptom questionnaire across sex: The Body Image Questionnaire – Child and Adolescent Version

journal contribution
posted on 2023-05-19, 14:14 authored by Schneider, SC, Baille, AJ, Jon MondJon Mond, Turner, CM, Hudson, JL
Measures of body dysmorphic disorder symptoms have received little psychometric evaluation in adolescent samples. This study aimed to examine cross-sex measurement invariance in the Body Image Questionnaire–Child and Adolescent version (BIQ-C) to establish whether observed sex differences in total scores may be meaningful or due to differences in measurement properties. A sample of 3,057 Australian high school students completed the initial screening item of the measure (63.2% male, Mage = 14.58 years, SD = 1.37, range = 12-18 years). Of these participants, 1,512 (49.5%) reported appearance concerns and thus completed the full measure. Partial scalar measurement invariance was established among a revised two-factor, 9-item version of the BIQ-C (BIQ-C-9). Females reported significantly greater latent factor variance, higher BIQ-C-9 total and factor scores, and higher scores on most individual BIQ-C-9 items. The measure can be used with caution to compare body dysmorphic disorder symptoms between male and female adolescents, though sex-specific cutoff scores should be used.


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School of Health Sciences


Sage Publications Inc

Place of publication

United States

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© The Author(s) 2016

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  • Restricted

Socio-economic Objectives

Mental health

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