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- Info
Measuring the health effects of sprawl: A national analysis of physical activity, obesity, and chronic disease
| Author: |
McCann, B.A.; Ewing, R. |
| Date: |
2003 |
| Periodical: |
Washington, D.C.: Smart Growth America. 40 p. |
| Link: |
http://smartgrowthamerica.org/report/HealthSprawl8.03.pdf
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| Abstract: |
This report presents the first national study to show a clear association between the type of place people live and their activity levels, weight, and health. The study found that people living in counties marked by sprawling development are likely to walk less and weigh more than people who live in less sprawling counties. In addition, people in more sprawling counties are more likely to suffer from hypertension (high blood pressure). These results hold true after controlling for factors such as age, education, gender, and race and ethnicity. <br><br>Researchers measured the degree of sprawl with a county sprawl index that used data available from the US Census Bureau and other federal sources to quantify development patterns in 448 counties in urban areas across the United States. Counties with a higher degree of sprawl received a lower numerical value on the index, and county sprawl index scores range from 63 for the most sprawling county to 352 for the least sprawling county. Sprawling counties are spread-out areas where homes are far from any other destination, and often the only route between the two may be on a busy high-speed arterial road that is unpleasant or even unsafe for biking or walking. People who live in these areas may find that driving is the most convenient way to get everything done, and they are less likely to have easy opportunities to walk, bicycle, or take transit as part of their daily routine.
<br><br>Indeed, previous research has shown that people living in sprawling areas drive more, while people living in compact communities are more likely to walk. Medical research has shown that walking and similar moderate physical activity is important to maintaining healthy weight and bestows many other health benefits. What is groundbreaking about this study is that it is the first national study to establish a direct association between the form of the community and the health of the people who live there. |
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