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Addiction. 2015 Nov;110(11):1746-56. doi: 10.1111/add.13032. Epub 2015 Jul 29.

Liberal alcohol legislation: does it amplify the effects among Swiss men of person-related risk factors on heavy alcohol use?

Author information

1
Epidemiology, Biostatistics and Prevention Institute, University of Zurich, Switzerland.
2
Alcohol Treatment Centre, Lausanne University Hospital CHUV, Lausanne, Switzerland.
3
Addiction Switzerland, Lausanne, Switzerland.
4
Centre for Addiction and Mental Health, Toronto, Ontario, Canada.
5
University of the West of England, Bristol, UK.

Abstract

AIM:

To estimate the statistical interactions between alcohol policy strength and the person-related risk factors of sensation-seeking, antisocial personality disorder and attention-deficit/hyperactivity disorder related to heavy alcohol use.

DESIGN:

Cross-sectional survey.

SETTING:

Young Swiss men living within 21 jurisdictions across Switzerland.

PARTICIPANTS:

A total of 5701 Swiss men (mean age 20 years) participating in the Cohort Study on Substance Use Risk Factors (C-SURF).

MEASUREMENTS:

Outcome measures were alcohol use disorder (AUD) as defined in the DSM-5 and risky single-occasion drinking (RSOD). Independent variables were sensation-seeking, antisocial personality disorder (ASPD), attention-deficit/hyperactivity disorder (ADHD) and an index of alcohol policy strength.

FINDINGS:

Alcohol policy strength was protective against RSOD [odds ratio (OR) = 0.91 (0.84-0.99)], while sensation-seeking and ASPD were risk factors for both RSOD [OR = 1.90 (1.77-2.04); OR = 1.69 (1.44-1.97)] and AUD [OR = 1.58 (1.47-1.71); OR = 2.69 (2.30-3.14)] and ADHD was a risk factor for AUD [OR = 1.08 (1.06-1.10)]. Significant interactions between alcohol policy strength and sensation-seeking were identified for RSOD [OR = 1.06 (1.01-1.12)] and AUD [OR = 1.06 (1.01-1.12)], as well as between alcohol policy strength and ASPD for both RSOD [OR = 1.17 (1.03-1.31)] and AUD [OR = 1.15 (1.02-1.29)]. These interactions indicated that the protective effects of alcohol policy strength on RSOD and AUD were lost in men with high levels of sensation-seeking or an ASPD. No interactions were detected between alcohol policy strength and ADHD.

CONCLUSION:

Stronger alcohol legislation protects against heavy alcohol use in young Swiss men, but this protective effect is lost in individuals with high levels of sensation-seeking or having an antisocial personality disorder.

KEYWORDS:

Alcohol drinking; alcohol legislation; alcohol use disorder; diathesis; statistical interaction effect

PMID:
26219733
DOI:
10.1111/add.13032
[Indexed for MEDLINE]
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