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The Maudsley Addiction Profile (MAP): a brief instrument for assessing treatment outcome
J Marsden1, M Gossop, D Stewart
1National Addiction Centre, Maudsley Hospital/Institute of Psychiatry, London, UK. J.Marsden@iop.bpmf.ac.uk
Aim:
To develop a brief, multi-dimensional instrument for assessing treatment outcome for people with drug and/or alcohol problems. The Maudsley Addiction Profile (MAP) is the first instrument to be developed in the United Kingdom for this purpose.
Design:
Field testing with quota-recruitment of problem drug users and problem alcohol users in treatment with researcher and clinician-administered test-retest interviews.
Setting:
Two community and two inpatient services at the Bethlem Royal and Maudsley Hospital, London.
Participants:
Subjects (160 drug users and 80 alcohol users) interviewed by eight interviews (four researchers and four clinicians), each of whom interviewed 30 subjects on two occasions.
Measures:
Sixty items across substance use, health risk, physical/psychological health and personal/social functioning domains.
Findings:
Average completion time of the MAP was 12 minutes. The questionnaire was acceptable to a majority of subjects and performed well with both researcher and clinician interviewers. Internal reliability and feasible concurrent validity assessments of the scales and items were highly satisfactory. Test-retest reliability was good, average intraclass correlation coefficients across eight substances were 0.94 and 0.81 across health risk, health problems, relationship conflict, employment and crime measures.
Conclusions:
The MAP can serve as a core research instrument with additional outcome measures added as required. The collection of a set of reliable quantitative measures of problems among drug and alcohol users by research or treatment personnel for outcome evaluation purposes need not be time-consuming.