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Development of self-efficacy and expectancy measures for benzodiazepines

Parr, Jannette M., Kavanagh, David J., Young, Ross McD., & Connor, Jason P. (2009) Development of self-efficacy and expectancy measures for benzodiazepines. Addictive Behaviors, 34, pp. 751-756.

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Abstract

This study aimed to develop and assess the reliability and validity of a pair of self-report questionnaires to measure self-efficacy and expectancy associated with benzodiazepine use, the Benzodiazepine Refusal Self- Efficacy Questionnaire (BRSEQ) and the Benzodiazepine Expectancy Questionnaire (BEQ). Internal structure of the questionnaireswas established by principal component analysis (PCA) in a sample of 155 respondents, and verified by confirmatory factor analyses (CFA) in a second independent sample (n=139) using structural equation modeling. The PCA of the BRSEQ resulted in a 16-item, 4-factor scale, and the BEQ formed an 18-item, 2-factor scale. Both scales were internally reliable. CFA confirmed these internal structures and reduced the questionnaires to a 14-item self-efficacy scale and a 12-item expectancy scale. Lower self-efficacy and higher expectancy were moderately associated with higher scores on the SDS-B. The scales provide reliable measures for assessing benzodiazepine self-efficacy and expectancies. Future research will examine the utility of the scales in prospective prediction of benzodiazepine cessation.

Impact and interest:

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ID Code: 28568
Item Type: Journal Article
Keywords: Benzodiazepines, Expectancy, Factor analysis, Questionnaire, Self efficacy, Self report
DOI: 10.1016/j.addbeh.2009.04.014
Divisions: Current > QUT Faculties and Divisions > Faculty of Health
Current > Institutes > Institute of Health and Biomedical Innovation
Current > Schools > School of Psychology & Counselling
Copyright Owner: Copyright 2009 Elsevier.
Deposited On: 12 Nov 2009 16:04
Last Modified: 01 Mar 2012 00:07

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