2011 National Health Interview Survey (June 2012, data in .zip compressed ASCII format, with SAS, SPSS, and STATA data statements (ASCII text format), and documentation in .pdf format.
www.cdc.gov/nchs/nhis/quest_data_related_1997_forward.htm
Scroll to “2011 NHIS” and click on “Data Release” for links to data and documentation.
