Section 2 & 3 Questionnaires
Visit 1 April 1, 1984 - September 30, 1984 w/variables
Visit 2-37 October 1, 1984 - September 30, 2002 w/variables
Visit 38-48 October 1, 2002 - March 31, 2008 w/variables Spanish
Visit 49-72 April 1, 2008 - December 31, 2019 w/variables Spanish

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The MACS is funded primarily by the National Institute of Allergy and Infectious Diseases (NIAID).

This page was last updated August 2017 .