Table 1.

Demographic and Clinical Characteristics of Study Participants

Characteristic	Control Subjects (n = 11)	Interferon-Alpha (n = 16)	p-value
Age (mean, SD)	48.2 (3.7)	47.7 (6.8)	0.83
Gender (n, %) Males	6 (54.5)	10 (62.5)	0.71
Race (n, %)
Caucasian	5 (45.5)	5 (31.3)	0.75
Black	5 (45.5)	9 (56.3)
Other	1 (9.1)	2 (12.5)
Education (n, %)
College (1 or more years)	9 (81.8)	9 (56.3)	0.23
Past History Major Depression (n, %)	0 (0)	4 (25.0)	0.12
Past Substance Abuse (n, %)	6 (54.5)	9 (60.0)	1.00
MADRS (mean, SD)	3.4 (3.9)	11.8 (9.6)	0.01
BMI (mean, SD)	29.4 (5.8)	30.7 (4.3)	0.52

BMI: body mass index; MADRS: Montgomery-Asberg Depression Rating Scale