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J Atten Disord. 2018 Jul;22(9_suppl):21S-37S. doi: 10.1177/1087054717714058. Epub 2017 Nov 1.

The Qualitative Interview Study of Persistent and Nonpersistent Substance Use in the MTA: Sample Characteristics, Frequent Use, and Reasons for Use.

Author information

1
1 University of California, Irvine, USA.
2
2 AVIDA, Newport Beach, CA, USA.
3
3 REACH Institute, New York, NY, USA.
4
4 Duke University Medical Center, Durham, NC, USA.
5
5 University of California, Los Angeles, USA.
6
6 The University of North Carolina at Chapel Hill, USA.
7
7 The Ohio State University, Columbus, USA.
8
8 McGill University Health Centre, Montreal, Qu├ębec, Canada.
9
9 University of Pittsburg School of Medicine, PA, USA.
10
10 University of California, Berkeley, USA.
11
11 Genentech, South San Francisco, CA, USA.
12
12 Carleton University, Ottawa, Ontario, Canada.
13
13 University of California, San Francisco, USA.

Abstract

OBJECTIVE:

To evaluate participants' perceptions about frequent use and reasons for substance use (SU) in the qualitative interview study, an add-on to the multimodal treatment study of ADHD (MTA).

METHOD:

Using the longitudinal MTA database, 39 ADHD cases and 19 peers with Persistent SU, and 86 ADHD cases and 39 peers without Persistent SU were identified and recruited. In adulthood, an open-ended interview was administered, and SU excerpts were indexed and classified to create subtopics (frequent use and reasons for use of alcohol, marijuana, and other drugs).

RESULTS:

For marijuana, the Persistent compared with Nonpersistent SU group had a significantly higher percentage of participants describing frequent use and giving reasons for use, and the ADHD group compared with the group of peers had a significantly higher percentage giving "stability" as a reason for use.

CONCLUSION:

Motivations for persistent marijuana use may differ for adults with and without a history of ADHD.

KEYWORDS:

ADHD; MTA study; marijuana; qualitative research; substance abuse

PMID:
29090967
DOI:
10.1177/1087054717714058

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