CDC Provides Tools for Communities to Tackle Chronic Disease
The Issue You Tackled
At least 70% of deaths among Americans each year are from chronic diseases, and their direct and indirect costs are more than 1 trillion dollars per year. Governmental health agencies are in a position to promote strategies to prevent and manage chronic disease, but identifying the most effective and economical strategies is often difficult. To help health agencies better plan and evaluate interventions, the CDC and the NHLBI funded the creation of the Prevention Impacts Simulation Model (PRISM).
What You Actually Did
PRISM is a relatively large System Dynamics model that is used to simulate trajectories for health and cost outcomes for the entire U.S. population from 1990 to 2040, and has also been applied to represent other national and local populations. Interventions are in several broad areas: medical care, smoking, nutrition and weight loss, physical activity, emotional distress, and particulate air pollution. These interventions act through a range of channels such as access, price, promotion, and regulation. The diseases and conditions modeled in detail include heart disease, stroke, diabetes, hypertension, high cholesterol, and obesity, and the model also accounts for cancers and respiratory diseases related to smoking, obesity, poor nutrition, and physical inactivity.
The model reports summary measures of mortality and years of life lost as well as the consequent medical and productivity costs of the chronic diseases and conditions modeled. Local and federal health officials have used PRISM throughout its development, and its applications continue to grow in number and variety.
|Name||Prevention Impacts Simulation Model (PRISM)|
|Modelers||Jack Homer, Kristina Wile, Gary Hirsch, Justin Trogdon, Amanda Honeycutt, Bobby Milstein, Diane Orenstein, and Lawton Cooper|
|Client/Participant||Centers for Disease Control and Prevention (CDC) and National Heart, Lung, and Blood Institute (NHLBI)|
|Using simulation to compare established and emerging interventions to reduce cardiovascular disease risks in the United States.||Download|
|Using simulation to compare 4 categories of intervention for reducing cardiovascular disease risks.||Download|
|From model to action: using a System Dynamics model of chronic disease risks to align community action.||Download|
|A ‘whole of system’ approach to compare options for CVD interventions in counties Manukau.||Download|
|Proceedings from the workshop on estimating the contributions of Sodium reduction to preventable death.||Download|
|A System Dynamics model for planning cardiovascular disease interventions.||Download|
|Simulating and evaluating local interventions to improve cardiovascular health.||Download|
|Modeling the local dynamics of cardiovascular health: risk factors, context, and capacity.||Download|
Did You Know?
System Dynamics Application Award
The System Dynamics Applications Award is presented by the Society every other year for the best “real world” application of system dynamics. The Society awarded its 2011 Applications Award to Jack Homer, Kristina Wile, Gary Hirsch, Justin Trogdon, Amanda Honeycutt, Bobby Milstein, Diane Orenstein and Lawton Cooper for their work Prevention Impacts Simulation Model (PRISM) for Chronic Disease Policymaking. To see the citation that was made by James Lyneis, please follow this link. To see the slides that were used in the 2011 ISDC, please click here. (Jul 2011)
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