1. Centers for Disease Control and Prevention National Center for Health Statistics Tour of the Website Tatiana Louis, MS National Center for Health Statistics

2. A brief history of health examination surveys

3. National Health Examination Survey: The Beginning –July 3, 1956 ---- National Health Survey Act authorizing a continuous survey to provide statistical data on the amount, distribution, and effects of illness and disability in the U.S. –Established a Health Interview Survey with periodic “special surveys” based on health examinations (the “Health Examination Survey”) –Also proposed health records survey

4. National Health Examination Survey: From an Idea to a Reality –Planning during 1957 and 1958 –Decision to use mobile examination centers –Three pilots in 1958 and 1959 –Survey begins in October 1959 –NCHS formed in 1960

5. National Health (and Nutrition) Examination Surveys NHES I1960-6218-79 years NHES II1963-656-11 years NHES III1966-7012-17 years NHANES I1971-751-74 years NHANES II1976-806 mo.-74 years HHANES1982-84 6 mo.-74 years NHANES III1988-942 mo. + NHANES1999-All ages SurveyDatesAges OP96S025

6. National Health Examination Survey (NHES I): Staffing –Two mobile examination centers (MEC) in operation –MEC staff -- doctor, dentist, x-ray tech and interviewer –Household interviewers and other staff to schedule examinations

7. NHANES Mobile Exam Center OP96S041

8. NHANES mobile examination centers Standard environment Standard equipment Standard specimen collection Standard staff procedures Automated data collection Minimal site-specific error OP96S043

9. National Health and Nutrition Examination Surveys NHES I1960-6218-79 years NHES II1963-656-11 years NHES III1966-7012-17 years NHANES I1971-751-74 years NHANES II1976-806 mo.-74 years HHANES1982-84 6 mo.-74 years NHANES III1988-942 mo. + NHANES1999-All ages SurveyDatesAges OP96S025

10. National Health and Nutrition Examination Surveys NHES I1960-6218-79 years NHES II1963-656-11 years NHES III1966-7012-17 years NHANES I1971-751-74 years NHANES II1976-806 mo.-74 years HHANES1982-84 6 mo.-74 years NHANES III1988-942 mo. + NHANES1999-All ages SurveyDatesAges OP96S025

11. NHANES Becomes A Continuous Survey

12. National Health and Nutrition Examination Surveys NHES I1960-6218-79 years NHES II1963-656-11 years NHES III1966-7012-17 years NHANES I1971-751-74 years NHANES II1976-806 mo.-74 years HHANES1982-84 6 mo.-74 years NHANES III1988-942 mo. + NHANES1999-All ages SurveyDatesAges OP96S025

13. NHANES Interviewing staff Interviewers (27) Field Offices (3) Office staff (5) OP96S046

14. NHANES Mobile Examination Center (MEC)staff Physician Dietary interviewers (2) Private health interviewers (2) Health technicians (4) Phlebotomist (1) Manager Coordinator OP96S046

15. Estimate the prevalence of health conditions and risk behaviors Describe awareness, treatment and control of selected diseases Study the relationship of diet and health Monitor trends over time Goals of NHANES OP96S023

16. OBJECTIVES Overview of our NEW website How to locate pertinent information on the existing website How to locate current and historic NHANES datasets Download the Analytic Guidelines

29. Most updated version

40. Other related links Other related links

51. SUMMARY Information on current and past NHANES survey Download codebooks, documentation and data Find survey questionnaires, manuals, and exam components Download the ANALYTIC GUIDELINES Contact us

52. www.cdc.gov/nchs/nhanes.htm U.S. DEPARTMENT OF HEALTH AND HUMAN SERVICES Centers for Disease Control and Prevention National Center for Health Statistics