The CDC National Health and Nutrition Examination Survey (NHANES) gathers detailed demographic, health behavior, medical condition, and nutrition information. The survey is unique in that it includes examination data and laboratory tests. The survey is most useful for identifying national trends due to its national focus and sample design.
User expertise rating:
Advanced. Data files are available in a format useable in statistical software requiring reformatting for general use. The subject matter is technical and may benefit from domain-specific knowledge.
Sample questions:
How does the prevalence of health risk factors correlate with diet or demographics nationally? How does national exposure to lead or pesticides relate to housing factors?
