National Environmental Public Health Tracking Network
: The National Environmental Public Health Tracking Network is a system of integrated health, exposure, and hazard information and data from a variety of national, state, and city sources. CDC provides funds to 23 state and local health departments to develop local tracking networks that feed into the national tracking network.
: Centers for Disease Control and Prevention (CDC)
Data Years Available
: The Tracking Network includes the following types of data: health effects (data about health conditions and diseases); environmental hazards (data about chemicals or other substances); exposure (data about the amount of a chemical in a person's body); and other data such as demographics, behavior and lifestyle that may be related to a particular health problem.
Response rate and sample size
: http://ephtracking.cdc.gov/showHome.action and related web pages. Accessed August 28, 2010.