Adolescent drinking has an important health and social impact in many countries. In Spain, this behavior often takes place in groups and in open areas (known as "botellón"). The aim of this study is to describe the prevalence of excessive drinking among Spanish adolescents and its association with socialization and family factors. A national school survey was conducted in 2006 among 26,454 students aged 14-18 years who were selected by two-stage cluster sampling (schools and classrooms). The questionnaire was self-completed with paper and pencil. The outcomes were: habitual excessive drinking or HED (average consumption ≥30 g/day of alcohol among men, and ≥20 g/day among women), binge drinking (drinking 5 or more standard alcohol units in a 2-hour interval), and drunkenness. Logistic regression models were used to estimate the effect of socialization and family factors. Monthly prevalence of HED, binge drinking and drunkenness was 11.2%, 30.9% and 25.6%, respectively. The main factors positively associated with HED were: frequently going out for fun in the evenings, high proportion of friends who drink or get drunk, early onset of alcohol use, low perceived risk of drinking, truancy, illegal drug use, and amount of money spent for personal needs. Family factors were weakly associated with outcomes. Socialization in leisure environments with friends who drink excessively is an important predictor of adolescent excessive drinking in Spain. Thus, prevention must also focus on the community level, limiting alcohol access, building socialization environments without alcohol, and increasing adolescents' risk perception of drinking.

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Background: Cocaine-related health consequences are difficult to observe. Data on drug users in health-emergency settings may be a useful source of information on consequences that are not visible via other information sources. Methods: Thirty European countries submit an annual national report on the drug situation to the EMCDDA. All reports for the period 2007–2010 were analyzed, with particular attention given to auditing cocaine-related mentions. Analysis was also performed in order to identify sources and case definitions, assess coverage, audit cases and, where possible, to identify long-term trends. Results: Considerable heterogeneity existed between countries in their approach to recording drug-related emergencies, with only Spain and the Netherlands having established formal indicators. The highest annual numbers of cocaine-related episodes were reported by the UK (3,502), Spain (2,845) and the Netherlands (1,211). A considerable (2- to 3-fold) increase in the numbers of cocaine-related episodes has been reported since the end of the 1990s in these countries; these increases peaked in Spain and England around 2007/08. Conclusions: The analysis reported here suggests the need to develop more standardized approaches to monitoring drug-related emergencies. It points to the potential value of developing effective referral links between the emergency and specialized drug services working with cocaine users.

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a b s t r a c tBackground: Driving under the influence of alcohol and drugs has been identified as a risk factor for road traffic crashes. We have assessed the prevalence and predictor factors for driving after alcohol and drug use by adolescents. Methods: A cross-sectional survey involving 11,239 students aged 14-18 years from 252 private and public schools in the Valencia region of Spain was conducted. The prevalence and predictors of driving after alcohol use, alcohol and drug use, or drug use during the previous 6 months were measured. Results: Of the students who reported driving (20%), 45.1% indicated driving after alcohol and drug use. The consumption of various drugs was higher among students who drove a vehicle compared with those who did not. The likelihood of driving after consuming alcohol, or alcohol and drugs, increased in line with the number of standard drink units per week, reports of any lifetime alcohol-or drug-related problems, and poor family relationship. In addition, masculine gender and early alcohol use increased the likelihood of driving after consuming alcohol. Conclusions: Driving after alcohol and drug use is quite prevalent among adolescents in the Valencia region of Spain. There is a need for implementation of targeted policies for adolescents. This should focus on education and information on alcohol/drug use and driving.