Matthias Wicki

Learn More
BACKGROUND High volumes of alcohol consumption and risky single occasion drinking (RSOD) among university students have been shown to be associated with considerable harm to both those who consume alcohol and their fellow students. The vast majority of these studies are based on US and Canadian samples. AIM The present article provides an overview of the(More)
OBJECTIVES To examine (a) whether consumers of alcopops compared to consumers of other alcoholic beverages but not alcopops have riskier drinking patterns and more alcohol-related consequences (e.g. truancy, scuffles, problems with parents) and (b) whether the amount of alcopops consumed is associated independently with risky drinking patterns and(More)
Most research on sexual orientation and alcohol use in the United States has found higher rates of alcohol use and abuse among gay men and lesbians. Studies from other countries have found smaller or no differences between sexual minority and heterosexual women and men. The present study used general population survey data from 14 countries to examine(More)
BACKGROUND In February, 2005, the canton of Geneva in Switzerland prohibited the off-premise sale of alcoholic beverages between 9 pm and 7 am, and banned their sale in gas stations and video stores. The aim of this study is to assess the impact of this policy change on hospital admission rates for alcoholic intoxication. METHODS An interrupted time(More)
Attrition in longitudinal studies can lead to biased results. The study is motivated by the unexpected observation that alcohol consumption decreased despite increased availability, which may be due to sample attrition of heavy drinkers. Several imputation methods have been proposed, but rarely compared in longitudinal studies of alcohol consumption. The(More)
OBJECTIVE The purpose of this study was to test the structure and endorsement of drinking motives and their links to alcohol use among 11- to 19-year-olds from 13 European countries. METHOD Confirmatory factor analysis, latent growth curves, and multiple regression models were conducted, based on a sample of 33,813 alcohol-using students from Belgium,(More)
PURPOSE To test whether differences in alcohol use between boys and girls and between northern and southern/central Europe are mediated by social, enhancement, coping, and conformity motives. METHODS Cross-sectional school-based surveys were conducted among 33,813 alcohol-using 11- to 19-year-olds from northern Europe (Denmark, Estonia, Finland, Ireland,(More)
OBJECTIVE European Union travelers' allowances for alcohol import to Denmark, Sweden, and Finland were abolished in 2004. In addition, excise taxes on alcohol were lowered in 2003 and 2005 in Denmark, and in 2004 in Finland. Using northern Sweden as a control site, this study examines whether levels of reported alcohol problems have changed in Denmark,(More)
OBJECTIVES First, to analyse whether a taxation-related decrease in spirit prices had a similar effect on spirit consumption for low-, medium- and high-level drinkers. Secondly, as the relationship between baseline values and post-intervention changes is confounded with regression to the mean (RTM) effects, to apply different approaches for estimating the(More)
In alcohol epidemiology surveys, there is a tradition of measuring alcohol-related consequences using respondents' attribution of alcohol as the cause. The authors aimed to compare the prevalence and frequency of self-attributed consequences to consequences without self-attribution using alcohol-attributable fractions (AAF). In 2007, a total of 7,174 Swiss(More)