Development and validation of the compulsive-buying follow-up scale: A measure to assess treatment improvements in compulsive buying disorder

Imagem de Miniatura
Citações na Scopus
7
Tipo de produção
article
Data de publicação
2019
Título da Revista
ISSN da Revista
Título do Volume
Editora
ELSEVIER IRELAND LTD
Citação
PSYCHIATRY RESEARCH, v.282, article ID 112009, 7p, 2019
Projetos de Pesquisa
Unidades Organizacionais
Fascículo
Resumo
The aim of the present research was to develop a scale to assess treatment improvements for compulsive buying disorder (CBD), adapted from the Gambling Follow-up Scale Self-Report Version. The Compulsive Buying Follow-up Scale (CBFS) contains six self-report multiple-choice items assessing different aspects of compulsive buying in the past four weeks. Forty-eight treatment-seeking patients with CBD were evaluated, with 39 patients completing the 12-week follow-up. The scale's global alpha was high as well as the item-total correlations per item. The estimations of alpha if-item-deleted were all under the global alpha value, indicating that all items provided relevant contribution within the scale. The CBFS demonstrated significant correlations with previously developed scales of CBD and other measures of psychopathology, with the exception of a non-significant association with the Beck Depression Inventory at pre-treatment. The CBFS correlated significantly with all reference scales at post-treatment. The CBFS also demonstrated strong sensitivity to change and recovery status. The cutoff for the CBFS that provided the greatest sensitivity (0.93) and specificity (0.82) was 22. The results provide support that CBFS is a reliable and valid instrument to measure treatment outcomes over time for CBD.
Palavras-chave
Compulsive buying disorder, Follow-up scale, Treatment outcomes
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