Development of self-efficacy and expectancy measures for benzodiazepines
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.
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|Item Type:||Journal Article|
|Keywords:||Benzodiazepines, Expectancy, Factor analysis, Questionnaire, Self efficacy, Self report|
|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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