Health policy findings on access to care provide more substantive information if linked to a theory that provides meaningful structure and standard definitions. Three theories of access are reviewed here because they have been used to inform health policy: Penchansky’s Model, The Institute of Medicine (IOM) Model of Access Monitoring, and The Behavioral Model of Health Services Use. Penchansky’s model is useful when subjective experiences with health care access are needed to inform policy makers. The IOM model is used for monitoring quality of health care services provided. The Behavioral Model identifies explanatory/predictive factors associated with utilization of services. Each model uniquely evaluates different health policies. Given the passage of the Patient Protection and Affordable Care Act (PPACA) of 2010, researchers and policy makers must agree on the model that best monitors and evaluates these new policy initiatives.
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