Table 1.

Demographic analyses of healthy controls and cocaine users.

Characteristics	Healthy Controls (N=48)	Cocaine Users (N=53)	*p value vs Healthy Controls
Age (mean ± SD)	33.04 ± 10.93	45.87 ± 7.75	<0.0001
Female (%)	47.92%	35.85%	0.233
African American (%)	79.17%	88.68%	0.276
Years of Education (mean ± SD)	14.18 ± 2.26	12.35 ± 1.81	<0.0001
Smokers (%)	27.08%	88.10%	<0.0001
Marijuana Users (%)	14.58%	56.60%	<0.0001

*p < 0.05 versus healthy controls is bolded and italicized.

Recruitment site: Healthy Controls-University of Texas Health Science Center (n = 10), Virginia Commonwealth University (n=38); Cocaine Users-University of Texas Health Science Center (n = 10); Virginia Commonwealth University (n = 43).