Table 2.

Demographic Characteristics of HIV/CocDx− and HIV/CocDx+ Groups

	Group
Demographic Variable	HIV/CocDx− (N=33) M (SD)	HIV/CocDx+ (N=80) M (SD)	Test Statistic	Effect size
Age	42.76 (7.93)	42.75 (6.50)	t (111)=.01	d=.00
Education (years)	13.55 (2.21)	13.03 (1.88)	t (111)=1.27	d=.25
Estimated Verbal IQ	105.36 (8.37)	104.61 (8.29)	t (110)=.43	d=.09
% Male	85%	73%	X2 (1,N=113)=1.624	Øc=.12
% Caucasian	18%	9%	X2 (1,N=113)=2.041	Øc =.13
CD4 Count	450.36 (242.16)	454.95 (273.34)	t (107)=−0.08	d=.02
% AIDS	72%	65%	X2 (1,N=112)=.702	Øc=−0.08
Major Depression	33%	36%	X2 (1,N=112)=.087	Øc=0.03
Cocaine
Positive Toxicology	34%	58%	X2 (1,N=111)=.087	Øc=0.07
Duration of Abuse and/or Dependence	-	206.31 (153.12)	-	-
Alcohol
Abuse or Dependence	67%	34%	X2 (1,N=113)=10.307*	Øc=0.30
Duration of Abuse and/or Dependence	128.00 (82.68)	208.89 (217.39)	t (40)=−.89	d=.49
Stimulants
Abuse or Dependence	88%	78%	X2 (1,N=112)=1.448	Øc=0.11
Positive Toxicologya	0%	0.01%	X2 (1,N=111)=.409	Øc=.06
Duration of Abuse and/or Dependence	172.00 (144.07)	157.29 (140.57)	t (16)=.18	d=.10
Opiates
Abuse or Dependence	88%	81%	X2 (1,N=112)=.634	Øc=0.08
Positive Toxicology	0%	3%	X2 (1,N=112)=.825	Øc=0.09
Duration of Abuse and/or Dependence	156.29 (40.60)	300.80 (373.72)	t (11)=−.65	d=.54
Cannabis
Abuse or Dependence	78%	45%	X2 (1,N=112)=10.113*	Øc=0.08
Positive Toxicology	9%	19%	X2 (1,N=112)=1.55	Øc=0.12
Duration of Abuse and/or Dependence	57.00 (72.12)	257.44 (199.07)	t (18)=−1.39	d=1.34

Abbreviation key. M (SD)=Mean and standard deviation. HIV/CocDx−=HIV infected participants who did not meet diagnostic criteria for lifetime or current cocaine abuse or dependence. HIV/CocDx+=HIV who did not meet diagnostic criteria for lifetime or current cocaine abuse or dependence; IQ= Intelligence Quotient; CD4=Cluster of Differentiation 4; AIDS=Acquired Immunodeficiency Syndrome

^*p < .005

^aAmphetamines