Table I. Catchment areas for participating sites.
| Participating site | Catchment area | Populationa |
|---|---|---|
| Atlanta, Georgia | Cobb, Clayton, DeKalb, Fulton, and Gwinnett Counties | 3,365,297 |
| Baltimore, Maryland | City of Baltimore, Baltimore and Howard Counties | 1,713,075 |
| Chicago, Illinois | Cook (including City of Chicago) and DuPage Counties | 6,111,599 |
| Detroit, Michigan | Wayne County | 1,820,584 |
| Las Vegas, Nevada | Clark County | 1,951,269 |
| Los Angeles, California | Los Angeles County | 9,818,605 |
| Philadelphia, Pennsylvania | Philadelphia County | 1,526,006 |
| San Francisco, California | Alameda, Contra Costa, San Francisco, San Mateo, and Solano Counties | 4,496,326 |
| Florida | Entire State (67 Counties) | 18,801,310 |
| New Jersey | Entire State (21 Counties) | 8,791,894 |
| Texas | Entire State (254 Counties) | 25,738,765 |
a Population based on the 2010 U.S. Census, midyear of the three-year project period.14