GLP Community Health Survey

June 4, 2015
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The Greater Louisville Project (GLP) is working on the development of a community-wide mapping of Louisville’s health landscape on factors aligned with Jefferson County’s Robert Wood Johnson Foundation County Health Rankings.

We are calling on the community to take the survey and help distribute it to others—email lists or list servs, website links, newsletters, Facebook page, twitter feeds, etc.

This short (5 minute) survey is designed to help us assess how health is being addressed in our city, and identify organizations who have programs and projects that align with the County Health Rankings focus areas.

Our goal is to reach as broad an array of entities as possible including: grass roots and advocacy organizations, local government, key businesses, community-based organizations, educational programs, institutions, health care providers, payors and more.

The County Health Rankings and focus areas cross a wide spectrum of subject areas from housing and transit to air quality to access to care.  With your help we’d like the survey to reach entities involved in all of these different sectors.

Thank you in advance for helping us work collectively to advance the health of our community.

Take the Survey

Responses are requested by June 22, 2015.

Who should respond?

The County Health Rankings and focus areas cross a wide spectrum of subject areas from housing and transit to air quality to access to care.

Our goal is to reach as broad an array of entities as possible including: grass roots and advocacy organizations, local government, key businesses, community-based organizations, educational programs, institutions, health care providers, payors and more.

More Info

To learn more, or view recently released 2014 data and view a new interactive data portal visit: www.greaterlouisvilleproject.org

This portal is designed to show the interconnections between our Deep Drivers of Education, Jobs, Health, and Quality of Place. The project’s new data offer a snapshot of key factors in local health, job creation and the city’s quality of place with the goal of convening broader conversations about ways to improve Louisville’s economic growth and quality of life.

For questions about the survey or more info about the project, email: health@greaterlouisvilleproject.org.

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Natural Breaks Algorithm

For each indicator, Greater Louisville Project assigns cities into one of three groups (high-performing, middle-of-the-pack, and low-performing) based on how they compare to other cities. The assignment is based on how cities naturally cluster on that indicator. Sometimes, the differences between cities are very small, and the difference between a city ranked 5th and 6th could simply be a matter of the sampling error that arises from using survey data. Thus, rather than always make a division that declares the top 5 to be the top tier, we use a natural breaks algorithm to look for a cluster of cities that is outperforming the rest, a cluster that is about average, and a cluster that is lagging. This clustering gives us a better indication of where Louisville is thriving and where Louisville has room to learn from cities that are doing better.

Z-Scores

Z-scores (or standardization) is a way to combine data with different units of measurement into a single index. The z-score is a measure of how far away a city (or census tract, etc.) is from the average city. In order to be comparable across different units of measurement, the z-score is the distance from the mean measured in standard deviations (e.g. if Louisville has a z-score of 1 it means Louisville is 1 standard deviation above the mean of its peer cities).

Data from the Robert Wood Johnson Foundation's County Health Rankings use z-scores and all z-scores are relative to the mean of Louisville's peer cities. (On the County Health Rankings site z-scores are relative to all the counties in each state - thus z-scores reported by GLP will be different, because we are using a different reference group). The Greater Louisville Project also uses z-scores in our multidimensional poverty index, which compares each census tract to the mean of all census tracts in Louisville.