Healthcare Service Utilization for Practicing Physicians: A Population-Based Study.

BACKGROUND:Physicians are considered to be the most informed consumers in the use of medical services since they have more information about diseases or medical technology. However, although plenty of researchers have suggested that different medical seeking behavior exists among physicians, very few empirical studies have been conducted to investigate differences in medical utilization between physicians and the general population. OBJECTIVE:We explored differences in the utilization of healthcare services between physicians and the general population using a population-based dataset. DESIGN:A cross-sectional study. PARTICIPANTS:Data for this study were sourced from the Taiwan Longitudinal Health Insurance Database 2000. We included 1426 physicians and 1426 sex- and age-matched comparison subjects. METHODS:We used Wilcoxon-Mann-Whitney tests to explore differences in variables of healthcare resource utilization between physicians and comparison subjects. We further used Kruskal-Wallis tests to examine differences in variables of healthcare resource utilization between physician practice location and comparison subjects. RESULTS:We found that physicians had significantly fewer outpatient visits (13.2 vs. 15.7, p