The number of HIV-positive people in the Czech Republic has trebled over the last decade. An educational programme aimed at the prevention of HIV and STDs in adolescents between 13 and 19 years of age is underway in the Moravian-Silesian Region in the Czech Republic. All schools in the region have been offered the chance to participate in the programme (on a voluntary basis). The programme consists of an educational lecture and a game with interactive elements; the students perform various tasks in groups. An anonymous paired questionnaire (input/output) was used to assess the efficacy of the programme. In order to evaluate the programme efficacy, descriptive statistics, non-parametric Wilcoxon paired test at the level of significance of 5%, and a model of logistic regression for a dichotomous variable were used. A total of 1210 students took part in the programme. The students' knowledge improved, on average, by 15.5%. The highest efficacy was observed in the age group of 13-14-year-olds, where the improvement reached 17.9%. The educational programme was effective in raising awareness about STDs. Due to the observed increase in knowledge especially among the youngest participants (13-14 years old), we recommend aiming further interventions at the youngest age groups.

Department of Epidemiology and Public Health Faculty of Medicine University of Ostrava 709 00 Ostrava Czech Republic

Public Health Institute Ostrava 702 00 Ostrava Czech Republic

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