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John E. "Jack" Wennberg (June 2, 1934 – March 10, 2024) was an American healthcare researcher who was a pioneer of unwarranted variation in the healthcare industry. In four decades of work, Wennberg has documented the geographic variation in the healthcare that patients receive in the United States.
The institute provides a graduate-level education program involving elements of both Dartmouth's Graduate Arts and Sciences Programs and the Geisel School of Medicine. It grants Masters in Public Health degrees as well as Master of Science and Doctor of Philosophy in Health Policy and Clinical Science degrees. The institute is located at One ...
Unwarranted variation (or geographic variation) in health care service delivery refers to differences that cannot be explained by personal preference, illness, medical need, or the dictates of evidence-based medicine. The term was coined by Dr. John Wennberg. [2] Unwarranted variation reveals three areas:
The Andersen healthcare utilization model is a conceptual model aimed at demonstrating the factors that lead to the use of health services. According to the model, the usage of health services (including inpatient care, physician visits, dental care etc.) is determined by three dynamics: predisposing factors, enabling factors, and need.
Health systems science (HSS) is a foundational platform and framework for the study and understanding of how care is delivered, how health professionals work together to deliver that care, and how the health system can improve patient care and health care delivery. [1]
Medical sociology is the sociological analysis of health, Illness, differential access to medical resources, the social organization of medicine, Health Care Delivery, the production of medical knowledge, selection of methods, the study of actions and interactions of healthcare professionals, and the social or cultural (rather than clinical or bodily) effects of medical practice. [1]
Researchers at the Dartmouth Institute for Health Policy, in addition to the Congressional Budget Office, have documented a large gap in the quality and outcomes and health services being delivered. Unwarranted variation in medical treatment, cost, and outcomes suggests a substantial area for improvement and savings in our health care system ...
Examination of disparity in healthcare delivery that focuses on whether nonclinical factors such as race, gender, and socioeconomic status influence the care of patients; Efficiency. With increasing healthcare costs, outcomes research focuses on ways to maximize efficiency, limit healthcare costs, and reduce waste in the healthcare system ...