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Feasibility of Ecological Momentary Assessment Using Cellular Telephones in Methamphetamine Dependent Subjects

Substance Abuse: Research and Treatment. 2008;1:9-14


Journal Homepage

Journal Title: Substance Abuse: Research and Treatment

ISSN: 1178-2218 (Online)

Publisher: SAGE Publishing

LCC Subject Category: Medicine: Public aspects of medicine

Country of publisher: United Kingdom

Language of fulltext: English

Full-text formats available: PDF, HTML, ePUB



John Mendelson

Ryne Didier

Kathleen Garrison

Gantt P. Galloway


Blind peer review

Editorial Board

Instructions for authors

Time From Submission to Publication: 8 weeks


Abstract | Full Text

Background: Predictors of relapse to methamphetamine use are poorly understood. State variables may play an important role in relapse, but they have been difficult to measure at frequent intervals in outpatients.Methods: We conducted a feasibility study of the use of cellular telephones to collect state variable data from outpatients. Six subjects in treatment for methamphetamine dependence were called three times per weekday for approximately seven weeks. Seven questionnaires were administered that assessed craving, stress, affect and current type of location and social environment.Results: 395/606 (65%) of calls attempted were completed. The mean time to complete each call was 4.9 (s.d. 1.8) minutes and the mean time to complete each item was 8.4 (s.d. 4.8) seconds. Subjects rated the acceptability of the procedures as good. All six cellular phones and battery chargers were returned undamaged.Conclusion: Cellular telephones are a feasible method for collecting state data from methamphetamine dependent outpatients.