Posttraumatic stress and marijuana use coping motives: The mediating role of distress tolerance

Carrie M. Potter, Anka A. Vujanovic, Erin C. Marshall-Berenz, Amit Bernstein, Marcel O. Bonn-Miller

Research output: Contribution to journalArticlepeer-review

Abstract

The present investigation examined the explanatory (i.e,. mediating) role of distress tolerance (DT) in the relation between posttraumatic stress (PTS) symptom severity and marijuana use coping motives. The sample consisted of 142 adults (46.5% women; Mage=22.18, SD=7.22, range=18-55), who endorsed exposure to at least one Criterion A traumatic life event (DSM-IV-TR, 2000) and reported marijuana use within the past 30 days. As predicted, results demonstrated that DT partially mediated the relation between PTS symptom severity and coping-oriented marijuana use. These preliminary results suggest that DT may be an important cognitive-affective mechanism underlying the PTS-marijuana use coping motives association. Theoretically, trauma-exposed marijuana users with greater PTS symptom severity may use marijuana to cope with negative mood states, at least partially because of a lower perceived capacity to withstand emotional distress.

Original languageEnglish
Pages (from-to)437-443
Number of pages7
JournalJournal of Anxiety Disorders
Volume25
Issue number3
DOIs
StatePublished - Apr 2011

Bibliographical note

Funding Information:
Data collection for this project was supported by a National Institute on Drug Abuse National Research Service Award ( 1F31 DA21006-02 ) granted to Dr. Vujanovic, a National Institute on Mental Health National Research Service Award ( 1F31 MH080453-01A1 ) granted to Erin C. Marshall-Berenz, and a National Institute on Mental Health National Research Service Award ( F31 MH073205-01 ) granted to Dr. Amit Bernstein. The authors express appreciation to Dr. Michael J. Zvolensky of The University of Vermont for contributing a portion of the data presented for purposes of the current study (1 R03 DA016566-01A2). Dr. Bonn-Miller acknowledges that this work was supported, in part, by a Veterans Affairs Clinical Science Research and Development (CSR&D) Career Development Award – 2 . The views expressed here are those of the authors and do not necessarily represent those of the Department of Veterans Affairs.

Keywords

  • Coping
  • Distress tolerance
  • Marijuana
  • Posttraumatic stress
  • Trauma

ASJC Scopus subject areas

  • Clinical Psychology
  • Psychiatry and Mental health

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