In the first phase of the study, 4,136 participants were examined at the Chicago Field Center at Northwestern University in collaboration with the University of Illinois at Chicago.

The University of Illinois at Chicago’s Institute for Minority Health Research will manage the second phase of HCHS/SOL under a contract from the National Institutes of Health. Dr. Martha L. Daviglus, director of the Institute for Minority Health Research and Associate Vice Chancellor for Research at UIC — who was the principal investigator of the HCHS/SOL Chicago Field Center during the first phase of the study at Northwestern University where she is adjunct professor of Preventive Medicine — will continue to serve as principal investigator of the HCHS/SOL Chicago Field Center.

Chicago participants were recruited from seven Chicago neighborhoods: Albany Park, Avondale, Belmont-Cragin, Hermosa, Humboldt Park, Irving Park, and Logan Square.

In 2010, there were nearly 2.7 million people living in Chicago, of which 29 percent were of Hispanic/Latino background