Perceived Barriers to Quitting Cannabis Were Linked to Worse Problems and Lower Confidence

Among 145 cannabis users, greater perceived barriers to quitting were uniquely associated with more cannabis use problems, more withdrawal symptoms, and lower self-efficacy for quitting.

Zvolensky, Michael J et al.·Addictive behaviors·2018·Moderate EvidenceCross-Sectional
RTHC-01891Cross SectionalModerate Evidence2018RETHINKTHC RESEARCH DATABASErethinkthc.com/research

Quick Facts

Study Type
Cross-Sectional
Evidence
Moderate Evidence
Sample
N=145

What This Study Found

Structural equation modeling showed perceived barriers for quitting were significantly associated with cannabis use problems (beta=0.50), greater withdrawal symptoms (beta=0.39), and lower self-efficacy for quitting (beta=-0.17). The racially diverse sample (63.4% Black/African American) strengthens generalizability.

Key Numbers

145 cannabis users. 63.4% Black/African American. Barriers-problems beta=0.50. Barriers-withdrawal beta=0.39. Barriers-self-efficacy beta=-0.17. All significant (p<0.001 to p=0.028).

How They Did This

Community-recruited sample of 145 cannabis users completed measures of perceived cessation barriers, cannabis use problems, withdrawal symptoms, and self-efficacy. Structural equation modeling tested relationships.

Why This Research Matters

Understanding perceived barriers to quitting cannabis can inform more effective cessation interventions. The strong relationship between barriers and both problems and withdrawal suggests that addressing perceived barriers could improve quit outcomes.

The Bigger Picture

Most substance use research focuses on motivation to quit. This study highlights that perceived barriers - practical and psychological obstacles to cessation - may be equally important targets for intervention.

What This Study Doesn't Tell Us

Cross-sectional design cannot determine causality. Perceived barriers may be consequences rather than causes of use problems. Community sample may differ from treatment-seeking populations. Self-report measures.

Questions This Raises

  • ?Would specifically addressing perceived barriers improve cessation outcomes?
  • ?Which specific barriers are most impactful?
  • ?Do barriers differ across demographic groups?

Trust & Context

Key Stat:
Perceived barriers showed strong associations with cannabis problems (beta=0.50) and withdrawal (beta=0.39), suggesting barriers are key intervention targets.
Evidence Grade:
Moderate - structural equation modeling with a diverse sample, but cross-sectional design.
Study Age:
Published in 2018.
Original Title:
Perceived barriers for cannabis cessation: Relations to cannabis use problems, withdrawal symptoms, and self-efficacy for quitting.
Published In:
Addictive behaviors, 76, 45-51 (2018)
Database ID:
RTHC-01891

Evidence Hierarchy

Meta-Analysis / Systematic Review
Randomized Controlled Trial
Cohort / Case-Control
Cross-Sectional / ObservationalSnapshot without intervening
This study
Case Report / Animal Study

A snapshot of a population at one point in time.

What do these levels mean? →

Frequently Asked Questions

What makes it hard to quit cannabis?

This study found that perceived barriers to quitting were strongly linked to cannabis use problems and withdrawal symptoms, and weakly linked to lower confidence in ability to quit. Addressing specific perceived obstacles may be key to successful cessation.

Does self-confidence matter for quitting cannabis?

Yes. Lower self-efficacy (confidence in ability to quit) was associated with more perceived barriers to cessation. However, cannabis use problems and withdrawal symptoms showed even stronger associations with perceived barriers.

Read More on RethinkTHC

Cite This Study

RTHC-01891·https://rethinkthc.com/research/RTHC-01891

APA

Zvolensky, Michael J; Paulus, Daniel J; Garey, Lorra; Manning, Kara; Hogan, Julianna B D; Buckner, Julia D; Rogers, Andrew H; Kathryn McHugh, R. (2018). Perceived barriers for cannabis cessation: Relations to cannabis use problems, withdrawal symptoms, and self-efficacy for quitting.. Addictive behaviors, 76, 45-51. https://doi.org/10.1016/j.addbeh.2017.07.011

MLA

Zvolensky, Michael J, et al. "Perceived barriers for cannabis cessation: Relations to cannabis use problems, withdrawal symptoms, and self-efficacy for quitting.." Addictive behaviors, 2018. https://doi.org/10.1016/j.addbeh.2017.07.011

RethinkTHC

RethinkTHC Research Database. "Perceived barriers for cannabis cessation: Relations to cann..." RTHC-01891. Retrieved from https://rethinkthc.com/research/zvolensky-2018-perceived-barriers-for-cannabis

Access the Original Study

Study data sourced from PubMed, a service of the U.S. National Library of Medicine, National Institutes of Health.

This study breakdown was produced by the RethinkTHC research team. We analyze and report published research findings without making health recommendations. All interpretations are based solely on the published abstract and study data.