NHIS Sources

Variable Year Supplement
OPPREM 2021 In both sample adult and child questionnaires
OPPREM 2020 In both sample adult and child questionnaires
OPPREM 2019 In both sample adult and child questionnaires
STRFPRM2 2018 Person (core questionnaire)
STRFPRM2 2017 Person (core questionnaire)
STRFPRM2 2016 Person (core questionnaire)
STRFPRM2 2015 Person (core questionnaire)
STRFPRM2 2014 Person (core questionnaire)