title: The demand for primary health care.
abstract: Data about the demand for primary health care, collected in a group practice of more than 10,000 individuals, were analyzed by Probit and Tobit techniques. With respect to the number of GP-contacts the results indicate, besides the well-known impact of age, sex, social class and morbidity, serious Interdoctor Variation, important influence of Problem Behavior and significant differences due to the Insurance System.
mesh_terms: D006123:Group Practice; D006285:Health Planning; D006301:Health Services Needs and Demand; D006801:Humans; D009426:Netherlands; D010821:Physicians, Family; D011320:Primary Health Care / Q000706:statistics & numerical data*; D012959:Socioeconomic Factors