A psychometric validation of the Dysmorphic Concerns Questionnaire (DCQ) in adolescents and young adults

Davies, KL; Hanley, SM; Bhullar, N; Wootton, BM

A psychometric validation of the Dysmorphic Concerns Questionnaire (DCQ) in adolescents and young adults

Davies, KL Hanley, SM Bhullar, N Wootton, BM

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Publisher:: TAYLOR & FRANCIS LTD
Publication Type:: Journal Article
Citation:: Australian Psychologist, 2022, 57, (5), pp. 280-289
Issue Date:: 2022-01-01

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Field	Value	Language
dc.contributor.author	Davies, KL
dc.contributor.author	Hanley, SM
dc.contributor.author	Bhullar, N
dc.contributor.author	Wootton, BM
dc.date.accessioned	2023-06-20T04:28:25Z
dc.date.available	2023-06-20T04:28:25Z
dc.date.issued	2022-01-01
dc.identifier.citation	Australian Psychologist, 2022, 57, (5), pp. 280-289
dc.identifier.issn	0005-0067
dc.identifier.issn	1742-9544
dc.identifier.uri	http://hdl.handle.net/10453/170803
dc.description.abstract	Objective: Body dysmorphic disorder (BDD) is a chronic mental health condition with symptoms typically emerging in early adolescence. Despite the onset in adolescence, most self-report BDD severity measures have not been validated with adolescent and young adult samples. The Dysmorphic Concerns Questionnaire (DCQ) was developed to assess dysmorphic concern and to date has only been psychometrically validated in adult samples. The aim of the current study was to examine the psychometric properties of the DCQ to ensure it is suitable for clinical use with adolescent and young adult patients. Method: One hundred and ninety-five individuals aged 12–21 years (M = 18.25, SD = 2.51; 59% female) participated in the study. Results: The DCQ demonstrated a unidimensional construct [χ2 (14) = 24.59, p =.04; RMSEA =.06, SRMR =.02 and CFI =.99], with good internal consistency (α =.88). The DCQ also showed high convergent validity with measures of BDD symptomatology, however, divergent validity was not supported in this study. Known-groups validity of the DCQ was established, with a large effect size (d = 1.28). Conclusions: These findings indicate that the DCQ is a brief, reliable, and valid measure that is appropriate to screen for symptoms of BDD in adolescent and young adults and to monitor symptom change during treatment. KEY POINTS: What is already known about this topic: Body dysmorphic disorder is a mental health condition which results in significant functional impairment. The Dysmorphic Concerns Questionnaire (DCQ) is a psychometrically sound measure of dysmorphic concern. Body dysmorphic disorder commonly occurs in adolescence. What this topic adds: (1) This is the first study to evaluate the psychometric properties of the DCQ in a sample of adolescents and young adults. (2) The psychometric properties of the DCQ are similar in adult and adolescent/young adult samples. (3) The DCQ is appropriate to use with adolescent and young adult patients.
dc.language	English
dc.publisher	TAYLOR & FRANCIS LTD
dc.relation.ispartof	Australian Psychologist
dc.relation.isbasedon	10.1080/00050067.2022.2093625
dc.rights	info:eu-repo/semantics/embargoedAccess
dc.rights	“This is an Accepted Manuscript of an article published by Taylor & Francis in Australian Psychologist on 7 August 2022, available online: https://doi.org/10.1080/00050067.2022.2093625 ”
dc.subject	1701 Psychology, 1702 Cognitive Sciences
dc.subject.classification	Clinical Psychology
dc.title	A psychometric validation of the Dysmorphic Concerns Questionnaire (DCQ) in adolescents and young adults
dc.type	Journal Article
utslib.citation.volume	57
utslib.for	1701 Psychology
utslib.for	1702 Cognitive Sciences
pubs.organisational-group	/University of Technology Sydney
pubs.organisational-group	/University of Technology Sydney/Faculty of Health
pubs.organisational-group	/University of Technology Sydney/Faculty of Health/Graduate School of Health
pubs.organisational-group	/University of Technology Sydney/Faculty of Health/Graduate School of Health/GSH.Clinical Psychology
utslib.copyright.status	open_access	*
utslib.copyright.embargo	2023-09-03T00:00:00+1000Z
dc.date.updated	2023-06-20T04:28:23Z
pubs.issue	5
pubs.publication-status	Published
pubs.volume	57
utslib.citation.issue	5

Abstract:

Objective: Body dysmorphic disorder (BDD) is a chronic mental health condition with symptoms typically emerging in early adolescence. Despite the onset in adolescence, most self-report BDD severity measures have not been validated with adolescent and young adult samples. The Dysmorphic Concerns Questionnaire (DCQ) was developed to assess dysmorphic concern and to date has only been psychometrically validated in adult samples. The aim of the current study was to examine the psychometric properties of the DCQ to ensure it is suitable for clinical use with adolescent and young adult patients. Method: One hundred and ninety-five individuals aged 12–21 years (M = 18.25, SD = 2.51; 59% female) participated in the study. Results: The DCQ demonstrated a unidimensional construct [χ2 (14) = 24.59, p =.04; RMSEA =.06, SRMR =.02 and CFI =.99], with good internal consistency (α =.88). The DCQ also showed high convergent validity with measures of BDD symptomatology, however, divergent validity was not supported in this study. Known-groups validity of the DCQ was established, with a large effect size (d = 1.28). Conclusions: These findings indicate that the DCQ is a brief, reliable, and valid measure that is appropriate to screen for symptoms of BDD in adolescent and young adults and to monitor symptom change during treatment. KEY POINTS: What is already known about this topic: Body dysmorphic disorder is a mental health condition which results in significant functional impairment. The Dysmorphic Concerns Questionnaire (DCQ) is a psychometrically sound measure of dysmorphic concern. Body dysmorphic disorder commonly occurs in adolescence. What this topic adds: (1) This is the first study to evaluate the psychometric properties of the DCQ in a sample of adolescents and young adults. (2) The psychometric properties of the DCQ are similar in adult and adolescent/young adult samples. (3) The DCQ is appropriate to use with adolescent and young adult patients.

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