Table 1.

Demographics and clinical measures of CU and NU participants.

	CU (n = 44)	NU (n = 59)	t	p
Age (years)	46.5 ± 7.2	43.7 ± 9.8	1.251	0.214
Gender (M/F)	37/7	44/15	1.358	0.244ª
Years of cocaine use	17.6 ± 9.9	N/A	N/A	N/A
Days of cocaine use, prior month	19.2 ± 8.5	N/A	N/A	N/A
Total use (gm), prior month	30 ± 39	N/A	N/A	N/A
CCQ score	40.0 ± 16.2	N/A	N/A	N/A
AUDIT score	4.8 ± 5.7	3.7 ± 4.3	0.929	0.355
FTND score	3.6 ± 2.8	0.3 ± 1.2	8.283	<0.001

All values are mean ± S.D.

P values are based on independent-sample t test, except for gender compositiona (x² test).

CCQ Cocaine Craving Questionnaire, AUDIT Alcohol Use Disorder Identification Test, FTND Fagerström Test for Nicotine Dependence.