Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Research design: Moderation of genetic contribution to adolescent alcohol use by friends’ drinking behavior
| Three Types of Friend Influence | Data Used | Level of Expressed Genetic Contribution to Alcohol use or estimated h2 |
|---|---|---|
| Concordant-High on Drinking | MZ, same-sex DZ twins, & same-sex full siblings | Baseline |
| Concordant-Low on Drinking | MZ, same-sex DZ twins, & same-sex full siblings | Lower |
| Discordant Drinking | MZ, same-sex DZ twins, & same-sex full siblings | Lower |
