NHIS Sources

Variable Year Supplement
MODFREQW 2018 Sample adult questionnaire
MODFREQW 2017 Sample adult questionnaire
MODFREQW 2016 Sample adult questionnaire
MODFREQW 2015 Sample adult questionnaire
MODFREQW 2014 Sample adult questionnaire
MODFREQW 2013 Sample adult questionnaire
MODFREQW 2012 Sample adult questionnaire
MODFREQW 2011 Sample adult questionnaire
MODFREQW 2010 Sample adult questionnaire
MODFREQW 2009 Sample adult questionnaire
MODFREQW 2008 Sample adult questionnaire
MODFREQW 2007 Sample adult questionnaire
MODFREQW 2006 Sample adult questionnaire
MODFREQW 2005 Sample adult questionnaire
MODFREQW 2004 Sample adult questionnaire
MODFREQW 2003 Sample adult questionnaire
MODFREQW 2002 Sample adult questionnaire
MODFREQW 2001 Sample adult questionnaire
MODFREQW 2000 Sample adult questionnaire
MODFREQW 1999 Sample adult questionnaire
MODFREQW 1998 Sample adult questionnaire
MODFREQW_A 2020 Sample adult questionnaire
MODFRQW2 1997 Sample adult questionnaire