[Factor structure of the Stages of Change Readiness and Treatment Eagerness Scale (SOCRATES) in alcohol dependent outpatients].

Braz J Psychiatry

Unidade de Pesquisa em Alcool e Drogas (UNIAD), Departamento de Psiquiatria, Universidade Federal de São Paulo, SP, Brazil.

Published: June 2004

Objective: The aim of this study was to investigate the reliability and factor structure of the Stages of Change Readiness and Treatment Eagerness Scale (SOCRATES), version 8, a 19-item self-reported instrument developed to measure readiness to change in alcohol-dependent alcoholics.

Methods: A Confirmatory Factor analysis of the SOCRATES was performed based on the factor structures previously demonstrated by Miller & Tonigan and Maisto et al. in a sample with 326 alcohol-dependent outpatients. The questionnaire was translated into Portuguese, cross-culturally adapted and back-translated into English. During this process SOCRATES underwent some modifications to simplify some complex question formats.

Results: The analysis showed that two correlated factors provided the best fit for the data and that these were similar to Maisto et al.'s factors.

Conclusions: There was less evidence to support a three-factor structure. The results are compared to previous studies and the reasons for discrepancies are discussed.

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http://dx.doi.org/10.1590/s1516-44462004000200005DOI Listing

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