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Alcohol use and drunk driving: the modifying effect of impulsivity
Stockholm University, Faculty of Social Sciences, The Swedish Institute for Social Research (SOFI).
2013 (English)In: Journal of Studies on Alcohol and Drugs, ISSN 1937-1888, E-ISSN 1938-4114, Vol. 74, no 1, 114-119 p.Article in journal (Refereed) Published
Abstract [en]

Objective: The aim of this study was twofold: (a) to examine how an increase in the frequency of heavy drinking episodes affects the incidence of drunk driving and (b) to examine whether the effect of alcohol use on drunk driving is contingent on impulsivity. Method: Two waves of the Young in Norway Longitudinal Study were applied (N = 2,603; response rate: 67%), when the respondents were on average 17 (1994) and 28 (2005) years of age. Measurements consisted of self-reported heavy episodic drinking, drunk driving, and impulsivity. Results: The first difference method was applied to estimate the association between heavy episodic drinking and drunk driving. This means that changes in the frequency of drunk driving were regressed on changes in the frequency of drinking. In this way, the effects of time-invariant confounders were eliminated. The results showed that every additional episode of heavy drinking was associated with a 2.6% increase in the frequency of drunk driving. The increase for males was significantly higher than among females. The analyses supported the hypothesis that impulsivity modifies the association between alcohol use and drunk driving. Conclusions: The association between drinking and drunk driving is significantly stronger among those with a high score on impulsivity compared with those who have a low score.

Place, publisher, year, edition, pages
2013. Vol. 74, no 1, 114-119 p.
National Category
Sociology
Identifiers
URN: urn:nbn:se:su:diva-83259ISI: 000313026300013OAI: oai:DiVA.org:su-83259DiVA: diva2:574809
Available from: 2012-12-06 Created: 2012-12-06 Last updated: 2017-12-07Bibliographically approved

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