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. Author manuscript; available in PMC: 2015 Aug 1.
Published in final edited form as: Drug Alcohol Depend. 2014 Apr 5;139:152–158. doi: 10.1016/j.drugalcdep.2014.03.026

Table 1.

Demographic Characteristics of Black and White Participants in Clinical Trials Network 0004 Study

Characteristics (%) Black (N = 194) White (N = 193) Total (N = 387)
Men 75.3 66.3 70.8
Women 24.7 33.7 29.2
Marital Status (married) 16.0 13.5 14.7
Employed 41.2 48.7 45.0
Mandated to Treatment (yes) 27.3 26.4 26.9
Treatment Assignment
    MET 43.8 50.8 47.3
    TAU 56.2 49.2 52.7
Primary Drug
    Cocaine 25.8 17.1 21.4
    Alcohol 26.3 33.7 30.0
    Marijuana 18.0 11.4 14.7
    2 or More 24.2 24.2 13.2
    Other 5.6 13.6 20.7
Age (years, M[SD]) 37.52 (9.93) 33.41 (10.08) 35.47 (10.20)

*Please note that there no significant differences between Black and White individuals on any of the demographic variables displayed in the table above.