Multiple health risk behaviour in Czech adolescents: family, school and geographic factors.

The study examines the relationship of family, school and geographic factors in relation to the prevalence of different health risk behaviours among Czech adolescents (aged 15-16 years) based on cross-sectional study design. Risk behaviours such as cigarette smoking, alcohol drinking and marijuana use among adolescents have often been shown to co-occur with each other. Data from the European School Survey Project on Alcohol and Other Drugs 2007 were used.

Social inequalities in alcohol consumption in the Czech Republic: a multilevel analysis.

Czech Republic traditionally ranks among the countries with the highest alcohol, consumption. This paper examines both risk and protective factors for frequent of alcohol, consumption in the Czech population using multilevel analysis. Risk factors were measured at the, individual level and at the area level.

Down syndrome, paternal age and education: comparison of California and the Czech Republic.

Background: The association between maternal age and risk of Down syndrome has been repeatedly shown in various populations. However, the effect of paternal age and education of parents has not been frequently studied. Comparative studies on Down syndrome are also rare.