Participant Characteristics

MA Users COC Users

• Gender* 60.0% Male 68.8% Male

• Ethnicity*

  • Caucasian 80.5% 48.0%
  • Hispanic 16.7% 15.8%
  • Afr Amer 1.9% 34.2%

• Education (yrs)* 11.8 12.4

  • * all tests p<.01

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