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2007 Benchmarking Report - Alliance for Biking & Walking

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Bicycling & <strong>Walking</strong> in the U.S./ Thunderhead <strong>Alliance</strong> <strong>2007</strong><br />

94<br />

IMPACTS OF CYCLING & WALKING ON PUBLIC HEALTH<br />

Nutrition Examination Survey (NHANES) data on levels of<br />

biking and walking to school (McDonald, Noreen, <strong>2007</strong>) over<br />

a similar time period. The data demonstrate a parallel trend<br />

among school children in this time period. Levels of biking<br />

and walking to school declined sharply while childhood obesity<br />

levels sharply increased. During the period between 1966<br />

and 2001, the number of children who biked or walked to<br />

school fell 68%, while the percentage of obese children rose<br />

367%.<br />

Comparing Obesity Levels to<br />

Cycling and <strong>Walking</strong><br />

Thunderhead used ACS data on biking and walking<br />

to work, and Behavioral Risk Factor Surveillance System<br />

(BRFSS) data on obesity levels across states to compare<br />

current levels of obesity with cycling and walking. The data<br />

indicate that states with the highest levels of biking and walking<br />

to work have lower levels of obesity on average. Maps on<br />

this page illustrate this trend. States that are shaded lightest<br />

<strong>for</strong> the lowest rates of biking and walking are often shaded<br />

darkest <strong>for</strong> the highest rates of obesity. States in the Southern<br />

U.S. rank lowest overall <strong>for</strong> rates of cycling and walking<br />

while at the same time ranking highest <strong>for</strong> obesity levels.<br />

Other Health Indicators<br />

This report also compared rates of biking and walking<br />

to work to other health indicators including levels <strong>for</strong><br />

physical activity, rates of high blood pressure, and diabetes.<br />

Data suggest a strong positive correlation between rates of<br />

cycling and walking and levels of physical activity. States<br />

with the highest levels of cycling and walking have a greater<br />

percentage of the population meeting the recommended 30-<br />

plus minutes a day of physical activity. A negative correlation<br />

exists between rates of cycling and walking and high blood<br />

pressure and diabetes. States with higher levels of biking and<br />

walking have lower levels of both diabetes and high blood<br />

pressure on average.<br />

Levels of <strong>Biking</strong> Trips and to Work<br />

<strong>Walking</strong> to Work<br />

Source: ACS 2005<br />

Obesity Rates<br />

Levels<br />

states<br />

Rates of obesity<br />

15% - 19%<br />

20% - 24%<br />

25% - 29%<br />

Source: BRFSS<br />

over 30%<br />

Source: BRFSS (2005)<br />

Source: ACS (2005)<br />

% trips to work by bike or foot<br />

1.29 - 2.32<br />

2.33 - 3.56<br />

3.57 - 5.03<br />

5.04 - 7.46

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