. Author manuscript; available in PMC: 2014 Sep 1.

Published in final edited form as: Psychoneuroendocrinology. 2013 Jan 29;38(9):1532–1544. doi: 10.1016/j.psyneuen.2012.12.022

Table 3.

Demographics and clinical characteristics.

	Placebo n = 21	Progesterone n = 21
Gender – no. of males	12 (57%)	12 (57%)
Race
African American	15 (71.4%)	17 (81.0%)
Caucasian	5 (23.8%)	3 (14.2%)
Hispanic	1 (4.8%)	1 (4.8%)
Age^a	41.6 ± 7.9	41.9 ± 5.9
Years spent in education^a	12 ± 1.6	11.9 ± 1.7
No. of regular smokers	20 (95.2%)	20 (95.2) %
No. of cigarettes per day	11.8 ± 8.2	13.6 ± 8.7
Years of cocaine use ^a	15.0 ± 8.6	12.8 ± 6.4
No. of days used in past month ^a	12.8 ± 8.8	13.1 ± 8.7
Years of alcohol use ^a	14.1 ± 9.0	15.9 ± 10.2
No. of days used in past month ^a	10.9 ± 10	10.8 ± 9.8
Lifetime depression (%)	1 (4.8%)	1 (4.8%)
Lifetime anxiety (incl PTSD) (%)	5 (23.8%)	6 (28.6%)
Lifetime anxiety (without PTSD) (%)	4 (19%)	2 (9.5%)

Data indicate means and standard deviations. All variables: p > .05.