Psychometric properties of the body dysmorphic disorder‐dimensional scale

Fiona Macfarlane; Aileen Luo; Karen Moses; Angela Russell; Jacqui Cheyne; Andrea del Pozo de Bolger; Bethany M Wootton

doi:10.1111/cp.12200

Psychometric properties of the body dysmorphic disorder‐dimensional scale

Fiona Macfarlane, Aileen Luo, Karen Moses, Angela Russell, Jacqui Cheyne, Andrea del Pozo de Bolger, Bethany M Wootton

School of Psychology

Research output: Contribution to journal › Article › peer-review

11 Citations (Scopus)

Abstract

Background: The Body Dysmorphic Disorder-Dimensional scale (BDD-D) is a new measure of body dysmorphic disorder (BDD) symptoms. Developed by the Diagnostic and Statistical Manual (fifth Edition) Obsessive–Compulsive and Related Disorders subworkgroup, the five-item scale aids in the dimensional assessment of BDD.

Methods: The aim of the present study was to evaluate the psychometric properties of the BDD-D in a community sample. A total of 266 participants completed the study.

Results: Confirmatory factor analysis indicated that the BDD-D demonstrates a unidimensional structure (Standardised Root Mean Square Residual = .03 and Comparative Fit Index = .99). The measure also showed strong internal consistency (α = .92) and good convergent validity with the Yale Brown Obsessive– Compulsive Scale Modified for Body Dysmorphic Disorder. The BDD-D demonstrated good test–retest reliability (r_s = .86) in a subset of the original sample who completed the measure at two time-points (n = 46). Similarly, fair equivalence between online administration and pen-and-paper administration formats were also noted (r_s = .78) for a sample who completed the measure using two different administration formats (n = 29).

Conclusions: Overall, the BDD-D appears to be a brief, reliable measure of BDD symptomology.

Original language	English
Pages (from-to)	114-122
Journal	Clinical Psychologist
Volume	24
Issue number	2
DOIs	https://doi.org/10.1111/cp.12200
Publication status	Published - 1 Jul 2020

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title = "Psychometric properties of the body dysmorphic disorder‐dimensional scale",

abstract = "Background: The Body Dysmorphic Disorder-Dimensional scale (BDD-D) is a new measure of body dysmorphic disorder (BDD) symptoms. Developed by the Diagnostic and Statistical Manual (fifth Edition) Obsessive–Compulsive and Related Disorders subworkgroup, the five-item scale aids in the dimensional assessment of BDD.Methods: The aim of the present study was to evaluate the psychometric properties of the BDD-D in a community sample. A total of 266 participants completed the study.Results: Confirmatory factor analysis indicated that the BDD-D demonstrates a unidimensional structure (Standardised Root Mean Square Residual = .03 and Comparative Fit Index = .99). The measure also showed strong internal consistency (α = .92) and good convergent validity with the Yale Brown Obsessive– Compulsive Scale Modified for Body Dysmorphic Disorder. The BDD-D demonstrated good test–retest reliability (rs = .86) in a subset of the original sample who completed the measure at two time-points (n = 46). Similarly, fair equivalence between online administration and pen-and-paper administration formats were also noted (rs = .78) for a sample who completed the measure using two different administration formats (n = 29).Conclusions: Overall, the BDD-D appears to be a brief, reliable measure of BDD symptomology.",

author = "Fiona Macfarlane and Aileen Luo and Karen Moses and Angela Russell and Jacqui Cheyne and \{del Pozo de Bolger\}, Andrea and Wootton, \{Bethany M\}",

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T1 - Psychometric properties of the body dysmorphic disorder‐dimensional scale

AU - Macfarlane, Fiona

AU - Luo, Aileen

AU - Moses, Karen

AU - Russell, Angela

AU - Cheyne, Jacqui

AU - del Pozo de Bolger, Andrea

AU - Wootton, Bethany M

PY - 2020/7/1

Y1 - 2020/7/1

N2 - Background: The Body Dysmorphic Disorder-Dimensional scale (BDD-D) is a new measure of body dysmorphic disorder (BDD) symptoms. Developed by the Diagnostic and Statistical Manual (fifth Edition) Obsessive–Compulsive and Related Disorders subworkgroup, the five-item scale aids in the dimensional assessment of BDD.Methods: The aim of the present study was to evaluate the psychometric properties of the BDD-D in a community sample. A total of 266 participants completed the study.Results: Confirmatory factor analysis indicated that the BDD-D demonstrates a unidimensional structure (Standardised Root Mean Square Residual = .03 and Comparative Fit Index = .99). The measure also showed strong internal consistency (α = .92) and good convergent validity with the Yale Brown Obsessive– Compulsive Scale Modified for Body Dysmorphic Disorder. The BDD-D demonstrated good test–retest reliability (rs = .86) in a subset of the original sample who completed the measure at two time-points (n = 46). Similarly, fair equivalence between online administration and pen-and-paper administration formats were also noted (rs = .78) for a sample who completed the measure using two different administration formats (n = 29).Conclusions: Overall, the BDD-D appears to be a brief, reliable measure of BDD symptomology.

AB - Background: The Body Dysmorphic Disorder-Dimensional scale (BDD-D) is a new measure of body dysmorphic disorder (BDD) symptoms. Developed by the Diagnostic and Statistical Manual (fifth Edition) Obsessive–Compulsive and Related Disorders subworkgroup, the five-item scale aids in the dimensional assessment of BDD.Methods: The aim of the present study was to evaluate the psychometric properties of the BDD-D in a community sample. A total of 266 participants completed the study.Results: Confirmatory factor analysis indicated that the BDD-D demonstrates a unidimensional structure (Standardised Root Mean Square Residual = .03 and Comparative Fit Index = .99). The measure also showed strong internal consistency (α = .92) and good convergent validity with the Yale Brown Obsessive– Compulsive Scale Modified for Body Dysmorphic Disorder. The BDD-D demonstrated good test–retest reliability (rs = .86) in a subset of the original sample who completed the measure at two time-points (n = 46). Similarly, fair equivalence between online administration and pen-and-paper administration formats were also noted (rs = .78) for a sample who completed the measure using two different administration formats (n = 29).Conclusions: Overall, the BDD-D appears to be a brief, reliable measure of BDD symptomology.

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DO - 10.1111/cp.12200

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SN - 1328-4207

VL - 24

SP - 114

EP - 122

JO - Clinical Psychologist

JF - Clinical Psychologist

IS - 2

ER -

Psychometric properties of the body dysmorphic disorder‐dimensional scale

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