NHIS Sources

Variable Year Supplement
ECIGCUR1 2015 Sample adult cancer
ECIGCUR2 2018 Sample adult questionnaire
ECIGCUR2 2017 Sample adult questionnaire
ECIGCUR2 2016 Sample adult questionnaire
ECIGED 2014 Sample adult questionnaire
ECIGNOW_A 2021 Sample adult questionnaire
ECIGNOW_A 2020 Sample adult questionnaire
ECIGNOW_A 2019 Sample adult questionnaire