Efficacy and the Strength of Evidence of U.S. Alcohol Control Policies
Published Date:Jul 2013
Source:Am J Prev Med. 2013; 45(1):19-28.
Pubmed Central ID:PMC3708657
Funding:CC999999/Intramural CDC HHS/United States
P60 AA006282/AA/NIAAA NIH HHS/United States
R01 AA018377/AA/NIAAA NIH HHS/United States
Public policy can limit alcohol consumption and its associated harms, but no direct comparison of the relative efficacy of alcohol control policies exists for the U.S.
To identify alcohol control policies and develop quantitative ratings of their efficacy and strength of evidence.
In 2010, a Delphi panel of ten U.S. alcohol policy experts identified and rated the efficacy of alcohol control policies for reducing binge drinking and alcohol-impaired driving among both the general population and youth, and the strength of evidence informing the efficacy of each policy. The policies were nominated based on scientific evidence and potential for public health impact. Analysis was conducted in 2010–2012.
Panelists identified and rated 47 policies. Policies limiting price received the highest ratings, with alcohol taxes receiving the highest ratings for all four outcomes. Highly rated policies for reducing binge drinking and alcohol-impaired driving in the general population were also highly rated among youth, although several policies were rated more highly for youth compared with the general population. Policy efficacy ratings for the general population and youth were positively correlated for reducing both binge drinking (r = 0.50) and alcohol-impaired driving (r = 0.45). The correlation between efficacy ratings for reducing binge drinking and alcohol-impaired driving was strong for the general population (r = 0.88) and for youth (r = 0.85). Efficacy ratings were positively correlated with strength-of-evidence ratings.
Comparative policy ratings can help characterize the alcohol policy environment, inform policy discussions, and identify future research needs.
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