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Reliability and validity of the Japanese version of the Addiction Severity Index (ASI-J).

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  • 1Division of Social Psychiatry, Tokyo Institute of Psychiatry, 2-1-8 Kamikitazawa Setagaya-ku, Tokyo 156-8585, Japan.

Abstract

The Addiction Severity Index (ASI) is a frequently used clinical and research instrument that collects data from substance abusers in seven problem areas: medical, employment, alcohol, drug use, legal, family-social functioning, and psychiatric status. In each area, the ASI provides a composite score and severity rating that estimate the seriousness of the problem and the client's need for treatment. In the present study, we investigated the reliability and validity of the Japanese version of the ASI (ASI-J). One hundred and eleven subjects with a history of drug abuse were interviewed with a test battery including the ASI with informed consent. This revealed that: (a) the problem areas were independent of each other, underscoring the need for multidimensional assessment, (b) the inter-rater correlation of severity ratings in each area ranged from 0.68 to 0.99, and Cronbach's alpha coefficient for the items used for the composite score in each area ranged from 0.57 to 0.86, indicating their reliability with the exception of the drug and employment areas, and (c) several composite scores were significantly correlated with the drug craving levels assessed by a visual analogue scale, the abstinence period, mental health, and/or relapse, supporting their concurrent and predictive validity. These results suggest that the ASI-J has acceptable reliability and validity.

PMID:
17037345
[PubMed - indexed for MEDLINE]
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