Blattler et al

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1. What was the percentage of participants who obtained income from illegal sources at the beginning, then at the end of the study?

  • 82% to 16%
  • 63% to 10%
  • 40% to 5%
  • 56% to 12%
1 of 20

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2. Factor most associated with cocaine use was ...

  • alcohol intake
  • contact with the drug scene
  • poverty

3. Of 261 participants, 99 had...

  • the same pattern of cocaine use at the end as at the start
  • greatly reduced cocaine use at the end
  • greatly increased cocaine use at the end

4. What was their mean age?

  • 45
  • 30
  • 19
  • 23

5. The addicts became more truthful about their cocaine use over the course of the study

  • True
  • False

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