Consumption of drug injection material among clients of Prague harm reduction services with regard to patterns of use

Background: Injection drug use is a popular and concurrently a very hazardous manner of application. In the Czech Republic there are approximately 45 thousand of problem drug users from which 43 thousand are injection users (Mravčík et al., 2014). There are known and mostly in detail described addictive substances which are mostly preferred by these users and it is also described how these substances work in human organism. However, it is a question how they affect the particular behaviour of the user within the injection application. In 2013 in the Czech Republic there were distributed 6,2 million syringes (Mravčík et al., 2014). Aim: The main goal was to ascertain the frequency of the injection application of drugs in case of the problem users and to estimate the general (annual) consumption of the injection material (according to the prevalence estimate for the given area) depending on the typology of the users (type of used drugs, pattern of usage). Sample: The research bracket was formed by 117 respondents form Prague field programme and low-threshold contact centre. Methods: The chosen method of the data collection was the questionnaire which was developed for the purpose of the thesis and which was realized with the administration of the researcher. Data were processed by descriptive..