The study team consists of a physician, medical and health technicians, as well as dietary and health interviewers. Health measurements are performed in specially-designed and equipped mobile centers, which travel to locations throughout the country. Health interviews are conducted in respondents’ homes. National Health and Nutrition Examination Survey: Plan and Operations, 1999–2010. In general, the older the individual, the more extensive the examination. Depending upon the age of the participant, the rest of the examination includes tests and procedures to assess the various aspects of health listed above. All but the very young have a blood sample taken and will have a dental screening. Dietary interviews and body measurements are included for everyone. NHANES has a primary role in this endeavor.Īll participants visit the physician. NCHS is working with public health agencies to increase the knowledge of the health status of older Americans. Since the United States has experienced dramatic growth in the number of older people during this century, the aging population has major implications for health care needs, public policy, and research priorities. To produce reliable statistics, NHANES over-samples persons 60 and older, African Americans, and Hispanics. The sample for the survey is selected to represent the U.S. Respiratory disease (asthma, chronic bronchitis, emphysema).
Reproductive history and sexual behavior.Physical fitness and physical functioning.The diseases, medical conditions, and health indicators to be studied include: Data on certain aspects of reproductive health, such as use of oral contraceptives and breastfeeding practices, will also be collected. Smoking, alcohol consumption, sexual practices, drug use, physical fitness and activity, weight, and dietary intake will be studied. Risk factors, those aspects of a person’s lifestyle, constitution, heredity, or environment that may increase the chances of developing a certain disease or condition, will be examined. Such information is a particular strength of the NHANES program. Estimates for previously undiagnosed conditions, as well as those known to and reported by respondents, are produced through the survey.
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The NHANES program began in the early 1960s and has been conducted as a series of surveys focusing on different population groups or health topics. NCHS is part of the Centers for Disease Control and Prevention (CDC) and has the responsibility for producing vital and health statistics for the Nation. NHANES is a major program of the National Center for Health Statistics (NCHS). The survey is unique in that it combines interviews and physical examinations. The National Health and Nutrition Examination Survey (NHANES) is a program of studies designed to assess the health and nutritional status of adults and children in the United States.