Analytic and Reporting Guidelines: The Third National Health and Nutrition Examination Survey,NHANES III (1988-94): October 1996

The National Health and Nutrition Examination Survey (NHANES)is a periodic survey conducted by the National Center for HealthStatistics (NCHS) of the Centers for Disease Control and Prevention(CDC). NHANES III (1988-94) is the seventh in a series of thesesurveys based on a complex multistage sample design. It isdesigned to provide national estimates of health and nutritionalstatus of the civilian noninstitutionalized population of theUnited States aged 2 months and older. Details of the surveydesign and questionnaires are published in the NHANES III Plan andOperation reference manual (NCHS 1994, U.S. DHHS 1996).