Telephone survey conducted annually by the New York City Department of Health & Mental Hygiene (DOHMH). Provides robust data on the health of New Yorkers, including neighborhood, borough, and citywide estimates on a broad range of chronic diseases and behavioral risk factors. Based upon the United States national Behavioral Risk Factor Surveillance System (BRFSS), the CHS is a cross-sectional survey that samples approximately 10,000 adults aged 18 & older from all 5 boroughs of New York City. All data collected are self-reported. Data are available on 33 different neighborhoods, defined by ZIP code.