Table 2.

Study 2- Demographic Characteristics of Sample

	Placebo n=15	Progesterone n=13
Gender – no. of males	10	9
Race
African American	10	10
Caucasian	4	2
Other	1	1
Age (s.d.)	40.53 (8.4)	41.69 (6.6)
Years spent in education (s.d.)	12.07 (1.75)	12.17 (1.47)
No. of regular smokers	14	13
Years of cocaine use (s.d.)	16.47 (9.2)	16.17 (7.4)
No. of days used in past month (s.d.)	14.2 (8.6)	15.2 (8.7)
Years of alcohol use (s.d.)	13.27 (9.9)	16.96 (6.2)
No. of days used in past month (s.d.)	11.73 (10.3)	11.33 (10.4)
Lifetime depression	0	1
Lifetime anxiety (incl PTSD)	3	5
Lifetime anxiety (without PTSD)	3	2