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. Author manuscript; available in PMC: 2012 Sep 1.
Published in final edited form as: J Subst Abuse Treat. 2011 Apr 12;41(2):105–114. doi: 10.1016/j.jsat.2011.02.011

Table 2. Demographic and Clinical Characteristics of Participants.

Variable Brief Intervention
n=249
Active Control
N=262
p-value
Mean age (SD), years 46.1 (13.3) 44.2 (13.9) 0.12
Marital Status, %
Married 54 52 0.60
Race/Ethnic Background, %
Black 23 21 0.21
White 73 78
Other 4 1
Hispanic 5 5 0.73
Disease, %
Hypertension 31 32 0.07
Diabetes 21 18
Osteoporosis 21 14
Infertility 27 36
SF-36
Physical component summary 50.0 (9.9) 50.2 (9.8) 0.77
Mental health component summary 46.2 (10.5) 45.6 (10.5) 0.54
Education, %
< BA, including High School 40 36 0.44
4 year College graduate 28 26
Any graduate/professional school 32 38
Children, % 49 47 0.61
Employed, % 63 70 0.09
Lifetime Substance Use Disorders, %
Alcohol 40 45 0.27
Marijuana 13 13 0.97
Cocaine 7 7 0.87
Opiates 3 0.4 0.02
Other (sedatives, stimulants, hallucinogens) 5 5 0.90
Current Substance Use Disorders, %
Alcohol 12 7 .06
Marijuana 3 2 .71
Cocaine 2 1 .27
Opiates 0 0 --
Other (sedatives, stimulants, hallucinogens) 1 1 1