[Quality in preventive and health promotion activities].

Quality assurance means ensuring that the right things are done in the right way from the outset and without fail. It is in professional interests to follow up, evaluate and continually attempt to improve preventive and health promotion efforts. In the article an account is given of some concepts, systems, models, methods and working procedures that are used for follow-up, evaluation and development in different fields. Examples are given of the practical applications, above all within the fields of disease prevention and health promotion, booth at the individual and population levels. The aim is to determine the applicability of such endeavours.