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.
Probability that an alcohol brand is advertised in a magazine as a function of the magazine’s percentage of underage readers, holding all other variables fixed at their mean values in the sample: underage versus other alcohol brands (95% confidence intervals shown).
