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	HSRC Seminar
HSRC Seminar Series

National Health and Nutrition Examination Survey Origins, Selected Outcomes and the Future

Date :	12 October 2009
Time :	12:30 - 13:30
Location :	VCRs
Presenters :	Mr Clifford L Johnson, Director for Division of Health and Nutrition Examination Surveys Mr Clifford L Johnson has authored and co-authored over 125 articles and given more than 300 oral presentations on a variety of nutrition and health related topics. In addition, he has worked extensively in the area of analysis of data from complex sample surveys concentrating on the topics of survey design effects, non-response bias, multiple imputations, and the comparison of measurement error versus survey design error. He has been a member of many national and international committees and workshops on nutrition and health and has served as an expert consultant to New Zealand, Korea, the European Union, and Canada on the content and conduct of examination surveys. He has served on the advisory committee for the Canadian Health Measures Survey and in a variety of advisory roles to several Institute of Medicine committees and working groups. He has also served on numerous US federal committees and working groups in the area of nutrition and health policy. He has received numerous NCHS and CDC awards.
Location: Video Conference Centres Centres, HSRC Buildings: Pretoria, Cape Town and Durban This presentation will focus on the accomplishments and practices of the largest and longest-running source of objectively measured health and nutrition data in the world. The history of the survey will be described as well as some of the most significant findings from the survey. The National Health and Nutrition Examination Survey (NHANES) is conducted by the National Centre for Health Statistics, part of the United States (US) Centres for Disease Control and Prevention. The primary objective of the survey is to assess the health and nutritional status of the US population through in-home personal interviews and direct physical measures in mobile examination centres. Since its inception 50 years ago, NHANES has expanded to include a nutritional component as well as measures of environmental exposure and infectious disease. HSRC Cape Town: 12th Floor, Plein Park Building (Opposite Revenue Office) Plein Street, Cape Town Contact Vuyo Ngxubaza,on +27 (0)21 466 8099 HSRC Durban: 1st floor boardroom 750 Francois Road, Ntuthuko Junction, PODS 5 and 6 Cato Manor, Durban Contact Johannes Khoele on +27 (0)31 242 5400 HSRC Pretoria: Video Conference Room 1st floor, HSRC Library HSRC Building, 134 Pretorius Street Pretoria Contact Arlene Grossberg on +27 (0)12 302 2801 or Baby Twala on +27 (0)12 302 2368