A Psychometric Evaluation of the Body Image Questionnaire Child and Adolescent Version.

IF 2.3 3区 医学 Q2 PSYCHIATRY
L Blacker, M Gupta, R Quinn, B Monzani, A Jassi, D Veale, D Mataix-Cols, G Krebs
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引用次数: 0

Abstract

Body dysmorphic disorder (BDD) typically develops during adolescence, but there has been little research evaluating assessment tools for BDD in youth. This study sought to provide a comprehensive psychometric evaluation of a brief self-report questionnaire of BDD symptoms, the Body Image Questionnaire Child and Adolescent version (BIQ-C), in both clinical and non-clinical adolescent samples. Properties of the BIQ-C were examined in 479 adolescents recruited through schools and 118 young people with BDD attending a specialist clinic. Sensitivity to change was additionally examined in a subgroup of the clinical sample who received treatment (n = 35). Exploratory factor analysis indicated that a two-factor structure provided the best fit for the data in the non-clinical sample. The two-factor solution was corroborated through confirmatory factor analysis as the best solution in the clinical sample, although it did not fulfil predefined fit thresholds The first factor encompassed preoccupation and repetitive behaviours, while the second included items assessing functional impairment. The BIQ-C showed good internal consistency across both samples, and convergent validity with other measures of BDD. Among those in the clinical sample who received treatment, BIQ-C scores decreased significantly, and BIQ-C change scores were highly correlated with change scores on the gold-standard clinician-rated measure of BDD symptom severity. These findings indicate that the BIQ-C is a suitable tool for assessing BDD symptoms in young people and measuring change during treatment.

身体形象问卷儿童和青少年版的心理计量评估。
身体畸形障碍(BDD)通常在青春期发病,但目前很少有研究对青少年身体畸形障碍的评估工具进行评估。本研究试图在临床和非临床青少年样本中,对身体畸形障碍症状的简短自我报告问卷--身体形象问卷儿童和青少年版(BIQ-C)--进行全面的心理测量评估。通过学校招募的 479 名青少年和在专科门诊就诊的 118 名患有 BDD 的青少年对 BIQ-C 的特性进行了研究。此外,还在接受治疗的临床样本(35 人)中对变化的敏感性进行了研究。探索性因素分析表明,双因素结构最适合非临床样本的数据。第一个因子包括先入为主和重复行为,第二个因子包括评估功能障碍的项目。在两个样本中,BIQ-C 均显示出良好的内部一致性,并与其他 BDD 测量方法具有趋同有效性。在接受治疗的临床样本中,BIQ-C 的得分显著下降,BIQ-C 的变化得分与临床医生评定的 BDD 症状严重程度黄金标准测量的变化得分高度相关。这些研究结果表明,BIQ-C 是评估青少年 BDD 症状和测量治疗期间变化的合适工具。
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来源期刊
CiteScore
0.50
自引率
3.40%
发文量
174
期刊介绍: Child Psychiatry & Human Development is an interdisciplinary international journal serving the groups represented by child and adolescent psychiatry, clinical child/pediatric/family psychology, pediatrics, social science, and human development. The journal publishes research on diagnosis, assessment, treatment, epidemiology, development, advocacy, training, cultural factors, ethics, policy, and professional issues as related to clinical disorders in children, adolescents, and families. The journal publishes peer-reviewed original empirical research in addition to substantive and theoretical reviews.
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