NHANES Analysis Web Tutorial
Data from the National Health and Nutrition Examination
Surveys (NHANES) surveys have provided unique opportunities to study major nutrition,
infection, environmental, and chronic health conditions in the U.S. The National Center for Health Statistics (NCHS) makes
NHANES datasets publicly available on its website. However, all NHANES users face similar
challenges because of the complexity of NHANES' survey design and vast amount of
information available in NHANES data.
NCI with NCHS to develop Web-based tutorials to promote broader and more
proficient use of NHANES data. The tutorials are composed of numerous modules
that provide background information to help users understand key concepts and
that take users step-by-step through typical analytic procedures. Relevant
NHANES data information, explanations for SAS or SUDAAN programs, and
downloadable sample program code are provided to facilitate the learning
The tutorial is designed for a wide range of NHANES users, including public health and
other government staff, research and education community analysts, public health and
medical professionals, and other groups interested in NHANES.
There are currently five tutorials:
Future plans include the development of an additional tutorial to help users
analyze NHANES physical activity data. NCI led the development of the dietary
tutorial and will lead development of the physical activity tutorial.