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.
Total number of hours of cocaine use and non-cocaine activities over all subjects in lab and field datasets respectively. Field statistics related to time of cocaine use are based on self report.
| Dataset | # Subjects |
Mean age |
Cocaine use |
Non-cocaine activities |
|---|---|---|---|---|
| Lab Study | 10 | 43.7 ± 6 | 56h 59m | 29h 23m |
| Field Study | 5 | 46.8 ± 3 | 151h 46m | 739h 25m |
