The following new data files are available for Add Health restricted-use data contract researchers.
Narcotic Drug Flag
This file contains a flag that identifies Wave IV respondents who report taking a medication that contains a narcotic
Wave III Sex Ratio Data
In this file are constructed variables at the county-level for sex ratios for males to females ages 18 to 29, 30-34, and 18 to 34, the proportion of males and females ages 18 to 34, and the sex ratio of employed males 16 years and older to the total number of females 16 years and older for the white population and the black or African American population
BMI Genetic Risk Score
This file contains the BMI genetic risk score for Add Health twin and full sibling respondents who provided saliva samples at Wave IV.