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Sub-County Assessment of Life Expectancy (SCALE) Project
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Sub-County Assessment of Life Expectancy (SCALE) Project

In 2014, the Centers for Disease Control and Prevention (CDC) and the Council of State and Territorial Epidemiologists (CSTE) convened a workgroup for a multi-year effort to facilitate the development and adoption of small area life expectancy (LE) methods. The Sub-County Assessment of Life Expectancy (SCALE) Project was initiated in September 2014 with representatives from six state (Florida, Massachusetts, Maine, New York, Washington, and Wisconsin) and two local (Los Angeles County and Public Health, Seattle & King County) health departments to engage in the first of a multi-phase effort to identify, test, refine, and disseminate standardized methodologies for calculating estimates of LE at a sub-county level. The first phase of this project resulted in a stakeholder-driven, easy to use guide for calculating life expectancy estimates at the sub-county level.

Following the completion of the first draft of the Guide, the workgroup recruited 20 additional state and local health departments to pilot test the guide and provide feedback during Phase II of the project. As Phase II of the project came to a close, the workgroup updated the Guide based on pilot findings and began discussing best practices for visualization and messaging of the life expectancy estimates.

If you have any further questions regarding SCALE activites at CSTE, please contact Hayleigh McCall.

SCALE Resources

Who participated?


SCALE Phase I Participants
Florida Maine Washington
Los Angeles County New York Wisconsin
Massachusetts Seattle & King County
SCALE Phase II Participants
Alabama Durham Co., NC New Hampshire
Alamance Co., NC Erie Co., PA Orange Co., NC
Alameda Co., CA Houston, TX Salt Lake Co., UT
Caswell Co., NC Johnson Co., KS Shelby Co., TN
Chatham Co., NC Maricopa Co., AZ Virginia
Cleveland, OH Metro Area Planning Council, MA Washington Co., MN
Cook Co., IL Minnesota
District of Columbia Montana
Past Presentations
2018 CSTE Annual Conference - June 10-14, 2018 in West Palm Beach, Florida
2018 CSTE Workshop on Small-Area Estimates of Life Expectancy – March 7-8, 2018 in Claremont, California
2017 CSTE Annual Conference - June 4-8, 2017 Boise, Idaho
2016 CSTE Annual Conference – June 19-23, 2016 in Anchorage, Alaska
2016 NACCHO Annual Conference – July 19-21, 2016 in Phoenix, Arizona

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