Figure 1.
Path diagram of bivariate Cholesky decomposition of association between alcohol dependence (or age at first drink) and drunk driving. For illustrative purposes, model is shown for one twin only.
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.