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.
Cross-Tabulation of Responses to the 48-Hour Amphetamine Use Question and the Results of Biological Assay for Amphetamine Use
| Negative Test Result |
Positive Test Result |
Total | |
|---|---|---|---|
| No 48-hour drug use | 328 (.962) | 013 (.038) | 341 (1.00) |
| Yes 48-hour drug use | 002 (.143) | 012 (.857) | 014 (1.00) |
