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Cross-Tabulation of Responses to the 48-Hour Drug Use Question and the Results of Biological Assay for Cocaine Use
| Negative Test Result |
Positive Test Result |
Total | |
|---|---|---|---|
| No 48-hour drug use | 313 (.910) | 031 (.090) | 344 (1.00) |
| Yes 48-hour drug use | 001 (.062) | 015 (.938) | 016 (1.00) |
