Table 2.

Demographic and clinical characteristics of participants (N = 34) at baseline.

	BWL		Control group		Total Sample
	(n=17)		(n=17)		(N=34)		χb	df	p
	n	%	n	%	N	%
Race and Ethnicitya							1.09	3	0.78
European	5	29.41%	6	35.29%	11	32.35%
African-American	10	58.82%	10	58.82%	20	58.82%
Indian Asians	1	5.88%	1	5.88%	2	5.88%
Hispanic	1	5.88%	0	0%	1	2.94%
Marital							2.03	4	0.73
Single	8	47.06%	10	58.82%	18	52.94%
Employment							8.20	7	0.32
Professional e.g., lawyer	9	52.94%	3	17.65%	12	35.29%
Manager, Administrator	2	11.76%	2	11.76%	4	11.76%
Clerical e.g., retail	2	11.76%	4	23.53%	6	17.65%
Service worker e.g., waitress	0	0.00%	2	11.76%	2	5.88%
Private Household Worker	0	0.00%	1	5.88%	1	2.94%
Full-time Homemaker	1	5.88%	0	0.00%	1	2.94%
Full-time Student	2	11.76%	3	17.65%	5	14.71%
Other	1	5.88%	2	11.76%	3	8.82%
Gross Annual Income							8.75	7	0.27
< $5000	2	11.76%	2	11.76%	4	11.76%
$5,000–9,999	1	5.88%	1	5.88%	2	5.88%
$10,000–14,999	1	5.88%	0	0.00%	1	2.94%
$15,000–19,999	1	5.88%	3	17.65%	4	11.76%
$20,000–24,999	0	0.00%	1	5.88%	1	2.94%
$25,000–29,999	1	5.88%	4	23.53%	5	14.71%
$30,000–49,999	5	29.41%	5	29.41%	10	29.41%
$50,000 or more	6	35.29%	1	5.88%	7	20.59%
Handedness (left)	3	17.65%	1	5.88%	4	11.76%	1.13	1	0.29
Current major depression	0	0.00%	0	0.00%	0	0.00%	-	-	-
Past major depression	1	5.88%	2	11.76%	3	8.82%	0.37	1	0.55
Current hypertensionb	5	29.41%	1	5.88%	6	17.65%	3.24	1	0.07
Current hypothyroidismb	1	5.88%	3	17.65%	4	11.76%	1.13	1	0.29
	M	SD	M	SD	M	SD	T	df	p
Age in years	41.82	12.31	39.53	11.23	40.68	11.77	−0.57	32	0.57
Body Mass Index	32.23	3.27	28.53	6.58	30.37	4.93	−2.08	32	0.049
Weight in lbs	190.94	28.28	167.27	36.70	179.11	34.42	−2.11	32	0.04
Raven’s Progressive Matrices41, c	33.06	19.12	27.88	27.81	30.47	23.46	−0.63	32	0.53

^aNote that no participant self-identified as American-Indian / Alaska Native, Native Hawaiian / Other Pacific Islander or other.

^bControlled by medication for at least one year

^cPercentile Rank