Introduction. The most promising behavior pattern in terms of reducing the severity of the pathological process is an active model of patient behavior, which involves seeking medical advice even for preventive purposes. Aim of the study is to analyze patient behavior patterns when deciding on the need of seeking medical advice. Materials and Methods. The analysis was conducted in three comparison groups formed based on the observation and treatment technology. The first one included 531 patients undergoing planned treatment on an outpatient basis, the second comparison group included 822 patients undergoing planned treatment in a hospital (specialized gastroenterology department), and the third group included 147 patients admitted to inpatient treatment at the Emergency Hospital on an emergency basis due to complications of the underlying disease (pathology of the digestive organs). Patient behavior patterns were identified by analyzing patient responses to the authors’ questionnaire. Additionally, the time interval was assessed between the onset of symptoms and seeking medical care. The groups were compared using nonparametric criteria: Association coefficient (K