1. National Center for Health Statistics National Health and Nutrition Examination Survey OP96S002

2. National Health and Nutrition Examination Survey (NHANES) Objective To assess the health and nutritional status of adults and children in the United States OP96S022

3. 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

4. NHANES topics Cardiovascular disease Diabetes, lower extremity disease Bone status, osteoporosis Oral health Vision Hearing and balance Fitness and strength OP96S035

5. NHANES topics Nutrition Anthropometry Mental health Risk behaviors Reproductive health Environmental exposures Infectious diseases OP96S036

6. NHANES survey methods Eligible population Civilian, non-institutionalized household population All states and D.C. All ages OP96S030

7. NHANES sample design Oversample African Americans Mexican Americans Adolescents aged 12-19 Older persons aged 60+ Pregnant women Low income whites OP96S031

8. Stage 4 SPs Stage 1 Counties Stage 2 Segments Stage 3 Households OP96S017

9. NHANES information flow Advance letter Screening In-home interview Exam Biologic Specimens LabNCHSParticipant Informed consent OP96S032

10. OP96S033

11. OP96S034

12. Pentop handheld computer Field interviews OP96S038

13. NHANES Mobile Exam Center OP96S041

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

15. NHANES Mobile Examination Center (MEC)staff Physician Dentist Dietary interviewers (2) Private health interviewers (2) Health technicians (3) Phlebotomist (1) Manager Coordinator OP96S046

16. Health Examination Exam duration 1-4 hours Remuneration $100 Several examinations, private health interviews Participants receive exam findings OP96S053

17. On day of examPreliminary report of findings; referrals 1-2 weeksNotification of abnormal values - (letter sent by mail) NHANES report of findings Time after examReport OP96S047

18. 4 weeksSexually transmitted disease test reporting (self-initiated telephone reporting, toll-free line) 12-16 weeksFinal report of findings (sent by mail) NHANES report of findings Time after examReport OP96S048

19. NHANES key response rates 199920002001 Current total Interviewed 78858683 MEC examined 71808178 Percent

20. ISIS architecture h i Household interviews Westat home office T1 NCHS Labs & graders T1 MEC 64kb Field office National Frame Relay Network OP96S049

21. Data release process QA/QC Editing/cleanup Weighting Data preparation Documentation Confidentiality review OP96S053

22. NHANES data dissemination Public use files 1999-2000 NHANES available on internet as of June 21, 2002 Plan for 2001-2002 release in 2004 and 2003-2004 release in 2006 OP96S054

23. NHANES web site http://www.cdc.gov/nchs/nhanes.htm OP96S058

24. Reports and Data Briefs 1999 NHANES Blood and hair mercury levels Blood lead levels Folate status in women Prevalence of overweight National report on human exposures to environmental chemicals OP96S053