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Table 2 Drug used by the 295 participants of the project "Assessing HIV Oral Testing of Brazilian Drug Users".

From: Knowledge of AIDS and HIV transmission among drug users in Rio de Janeiro, Brazil

  Use in life Age of first time drug use
  n % mean standard-deviation
Alcohol 287 97.61 14.6 3.5
Marijuana 270 91.5 17.1 5.6
Crack 57 19.3 25.22 9.8
Snorted cocaine 199 67.5 18.4 5.9
Injected cocaine 23 7.8 19.1 3.9
Snorted heroin 15 5.1 20.22 4.6
Injected heroin 6 2.0 18.62 4.4
Speedball (cocaine and heroin) 8 2.7 20.3 5.7
Methamphetamine/amphetamine 33 11.2 19.62 5.9
Anabolic steroids 31 10.5 21.12 5.7
Ecstasy 47 15.9 21.72 6.6
Inhalants 180 61.0 19.32 7.9
LSD 22 7.51 21.4 5.4
Barbituates (non-Rx) 35 11.9 26.83 15.1
Benzodiazepines (non-Rx) 25 8.5 24.14 8.0
  1. Rio de Janeiro, 2006
  2. 1 N = 294 2 1 missing 3 3 missing 4 5 missing