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. Author manuscript; available in PMC: 2009 Aug 4.
Published in final edited form as: J Subst Abuse Treat. 2007 Jul 5;34(3):347–355. doi: 10.1016/j.jsat.2007.05.004

Table 2.

Percent and Number Reporting Inconsistent Drug Use Recency and Type of Inconsistent Reporting by Substance across the whole sample (N=1,463)

Percent inconsistent N inconsistent
Alcohol 7.45 109
Marijuana 5.67 85
Crack 22.62 331
Cocaine 25.84 378
Inhalants 34.54 359
Heroin 8.75 128
Opiates 24.40 357
PCP 18.05 264
Hallucinogens 23.99 351
Tranquilizers 18.59 272
Amphetamines 22.35 327
Sedatives 22.28 326
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