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. 2020 May-Jun;68(4):374-380.
doi: 10.1080/07448481.2018.1557197. Epub 2019 Jan 25.

Examining interactions within the theory of planned behavior in the prediction of intentions to engage in cannabis-related driving behaviors

Andrew M Earle  1 , Lucy E Napper  2 , Joseph W LaBrie  1 , Ashley Brooks-Russell  3 , Daniel J Smith  1 , Jennifer de Rutte  1
Affiliations

Examining interactions within the theory of planned behavior in the prediction of intentions to engage in cannabis-related driving behaviors

Andrew M Earle et al. J Am Coll Health. 2020 May-Jun.

Abstract

Objective: As marijuana use becomes more available to college students through increasing legal reform, this paper seeks to examine intentions for driving under the influence of cannabis (DUIC) and riding with a high driver (RWHD) through the lens of the theory of planned behavior (TPB) and assess potential interactions between personal attitudes, subjective norms, perceived behavioral control (PBC), and sex. Participants: Undergraduate college students (N = 311) completed online surveys in September, 2013. Method: Participants self-reported their attitudes toward DUIC, subjective norms, PBC, past DUIC and RWHD, and intentions to DUIC and RWHD. Results: Participants' attitudes toward DUIC, subjective norms, and PBC were strongly associated with intentions to DUIC and RWHD bivariately. In regression models, attitudes and PBC were both positively and significantly related to intentions to DUIC and RWHD. Conclusions: DUIC and RWHD are concerns for college populations. Targeting personal attitudes and perceived behavioral control via interventions may reduce these behaviors.

Keywords: Cannabis; college students; driving under the influence; marijuana; riding with a high driver; theory of planned behavior.

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Figures

Figure 1.
Figure 1.
Relationship between attitudes toward DUIC and intentions to DUIC at high (+1 SD) and low (−1 SD) PBC.
See this image and copyright information in PMC

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