Drug and alcohol assessment
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Drug and Alcohol Assessment: Methods and Tools
Prevalence and Diagnostic Accuracy in Severe Mental Illness
Alcohol and Drug Disorders in the Seriously Mentally Ill
Assessing alcohol and drug disorders in individuals with severe mental illness is crucial. A study involving 253 clients in a rural setting found that 35% met the DSM-III-R criteria for alcohol or drug abuse, dependence, or both . The study highlighted discrepancies between client self-reports and case manager assessments regarding substance use. However, case manager reports were found to be a valid method for determining the prevalence of substance use problems, with a sensitivity of 0.86 and specificity of 0.75 .
Internet-Based Self-Assessment Tools
Web-Based Screening and Monitoring
The Swedish web-based service (www.escreen.se) offers self-assessment and monitoring of alcohol and drug use through the Alcohol Use Disorders Identification Test (AUDIT) and the Drug Use Disorders Identification Test (DUDIT) . This service provides individualized feedback and allows users to track their consumption over time. The study found that 67.4% of users met the criteria for problematic alcohol use, while 46.0% met the criteria for problematic drug use . The internal consistency reliability was high, indicating that internet-based tools can be effective for self-monitoring and as a complement to traditional treatment methods .
Reliability of Diagnostic Instruments
Alcohol Use Disorder and Associated Disabilities Interview Schedule (AUDADIS)
The AUDADIS has shown good to excellent reliability for measuring alcohol consumption and the use of various drugs, including sedatives, tranquilizers, amphetamines, opioids, cannabis, and cocaine . It also demonstrated strong reliability for diagnosing alcohol, cannabis, cocaine, and heroin abuse or dependence according to ICD-10, DSM-III-R, and DSM-IV criteria .
Semi-structured Assessment for Drug Dependence and Alcoholism (SSADDA)
The SSADDA provides detailed coverage of specific drug use disorders, particularly cocaine and opioid dependence. It has shown good to excellent reliability for most substance dependence diagnoses, although the reliability for substance abuse diagnoses was lower . This instrument is useful for genetic studies and other applications requiring detailed diagnostic assessments .
Screening Tools for Clinical and Primary Care Settings
Michigan Assessment-Screening Test for Alcohol and Drugs (MAST/AD)
The MAST/AD, a modification of the Michigan Alcohol Screening Test, includes problems associated with other drug abuse/dependence besides alcohol. It demonstrated high correlation with other measures of substance abuse morbidity and is reliable as a severity measure for alcohol and/or drug abuse . However, its utility as a screening instrument in clinical populations requires further validation .
Single Screening Questions (SSQs)
SSQs are recommended for evaluating unhealthy alcohol and drug use in primary care settings. They have shown high accuracy for identifying dependence, with sensitivity and specificity comparable to longer screening tools like the AUDIT-C and the Drug Abuse Screening Test (DAST) . SSQs can be useful for both screening and preliminary assessment, making them practical for primary care settings .
Comprehensive Assessment Tools
Maudsley Addiction Profile (MAP)
The MAP is a brief, multi-dimensional instrument developed in the UK for assessing treatment outcomes in individuals with drug and/or alcohol problems. It covers substance use, health risk, physical/psychological health, and personal/social functioning domains. The MAP has shown good internal reliability and test-retest reliability, making it a valuable tool for outcome evaluation in both research and clinical settings .
Drug Abuse Screening Test (DAST)
The DAST is a brief clinical screening tool designed to quantify problems related to drug misuse. It has demonstrated substantial internal consistency reliability and concurrent validity with various measures of drug use and psychopathology . The DAST is useful for quantifying the extent of drug involvement in help-seeking populations, although further validation is needed in diverse settings .
Conclusion
Effective assessment of drug and alcohol use is critical for diagnosis, treatment, and monitoring. Various tools, from brief screening questions to comprehensive diagnostic instruments, have demonstrated reliability and validity across different populations and settings. These tools are essential for identifying substance use disorders, guiding treatment decisions, and evaluating treatment outcomes.
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