United States National Youth Tobacco Survey 2021 Survey: Cross-sectional - Individual - Nationally representative GHDx Entry last modified on: Oct 16, 2024
United States National Youth Tobacco Survey 2020 Survey: Cross-sectional - Individual - Nationally representative GHDx Entry last modified on: Oct 16, 2024
United States National Youth Tobacco Survey 2019 Survey: Cross-sectional - Individual - Nationally representative GHDx Entry last modified on: Oct 16, 2024
United States National Youth Tobacco Survey 2018 Survey: Individual - Nationally representative GHDx Entry last modified on: Nov 15, 2021
United States National Youth Tobacco Survey 2017 Survey: Individual - Nationally representative - Cross-sectional GHDx Entry last modified on: Oct 16, 2024
United States National Youth Tobacco Survey 2016 Survey: Cross-sectional - Individual - Nationally representative GHDx Entry last modified on: Oct 16, 2024
United States National Youth Tobacco Survey 2015 Survey: Cross-sectional - Individual - Nationally representative GHDx Entry last modified on: Oct 16, 2024
United States National Youth Tobacco Survey 2014 Survey: Cross-sectional - Individual - Nationally representative GHDx Entry last modified on: Oct 16, 2024
United States Infant Feeding Practice Study II 2005-2007 IFPS II Survey: Household - Individual - Interview - Longitudinal - Nationally representative GHDx Entry last modified on: Mar 7, 2022