Fig. 1.
Count of the number of missed morning assessments (daily diary), number of drinking/drug use assessments missed, and percentage of random prompts missed, by study day
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.