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. Author manuscript; available in PMC: 2012 Apr 1.
Published in final edited form as: Biol Psychiatry. 2011 Jan 20;69(7):684–692. doi: 10.1016/j.biopsych.2010.11.022

Table 1.

Participant Demographics

Cocaine Controls
Number of Participants 25 24
Mean ± SD Age (years) 35.0 (8.8) 35.1 (7.5)
Number (%) Male 23 (92%) 20 (83%)
Level of Education
      Some High School 0 1
      High School Graduate or GED 7 3
      Some College 10 10
      College Graduate 7 8
      Advanced Graduate/Professional Degree 1 2
Employment
      Full-Time 8 8
      Part-Time 7 4
      Unemployed 8 6
      Student 1 6
      Disability/Retired 1 0
Mean ± SD years since initiation of cocaine use* 11.43 (8.5)
Mean Age of initiation of cocaine use* 22
Frequency of Cocaine Use
      Daily 8
      5 times per week 2
      3–4 times per week 13
      Twice per week 2
Mean ± SD CSSA 12.48 (8.4)
Mean ± SD CFQ 28.68 (13.0)

GED: General Educational Development. CSSA: Cocaine Selective Severity Assessment. CFQ: Cognitive Failures Questionnaire. Age, sex distributions, educational attainment and employment status did not differ significantly (p> .20).

*

Data available for 21 out of 24 participants.

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