[Epidemiological studies in evaluation of effectiveness of health promotion programmes].

Basic characteristics of modern epidemiology and basic characteristics of epidemiological study are presented. First of all, the description of the model of randomised controlled trial is taken into account, because of its importance for evaluation of effectiveness of treatment. Consequences of main elements of randomised controlled trial for scientific inference is explained and the possibility of application of these elements to evaluation of health promotion programmes is discussed. The main points in the discussion on the possibility of application of epidemiological methods to evaluation of health promotion programmes are mentioned.