NHIS Sources

Variable Year Supplement
COGFRQDFF_A 2021 Sample adult questionnaire
COGFRQDFF_A 2020 Sample adult questionnaire
COGFRQDFF_A 2019 Sample adult questionnaire
COG_2 2018 Sample adult questionnaire
COG_2 2017 Functioning and Disability
COG_2 2016 Functioning and Disability
COG_2 2015 Functioning and Disability
COG_2 2014 Functioning and Disability
COG_2 2013 Functioning and Disability
COG_2 2012 Functioning and Disability
COG_2 2011 Functioning and Disability
COG_2 2010 Quality of life
TROBTHG 1984 Study on aging