Task 5: Key Concepts About Finding Other Useful Information Within the NHANES Website

The following sections of the NHANES website provide other information that will be valuable to you as you prepare and conduct your analyses.

 

What's New page

The “What's New” page is an important resource for staying updated with current information about the survey. Currently, about 8-12 months of updates and new releases are listed on this page. This page is updated continuously as new information becomes available. It's a good idea to periodically visit this page to see whether your analysis will be affected because of new or updated data files.

 

Frequently Asked Questions

Frequently Asked Questions (FAQs) pertaining to each survey cycle are provided within each cycle's Data Sets and Related Documentation link.  These FAQ sections will help you with common questions about NHANES, such as:

• When will more data be available from the survey?
• Will data and weights be available on public use files for single years such as 1999, 2000, or 2001?
• Why are there so many data files?
• What is the sample size for a particular data item, questionnaire section, examination component, or laboratory analyte?
• How are missing values, "blank but