Table 1.

Demographics

Variable	KET-MDD	KET-BD*	KET-RIL	KET-MOA
Subjects (N)	21	44	57	66
DSM IV Diagnosis	MDD	BD	MDD	MDD, BD, & HC
Age (yrs)	48 (11)	47 (10.6)	48 (12.9)	36.4 (10.1)
Male	8 (38%)	21 (47.7%)	36 (63.2%)	15 (39%)
Race – White	13 (61.9%)	37 (84.1%)	53 (93%)	31 (81.5%)
BMI	32.7 (8.8)	29.96 (5.8)	30.1 (6.6)	27.5 (6.9)
Age of Onset (yrs)	24 (13.8)	18 (7.1)	20 (10.7)	15 (8.6)
Length of illness (yrs)	25 (13)	28 (10.3)	27 (13.2)	21 (11.5)

^*KET-BD represents two studies whose methods were nearly identical, combined here for analysis.

BMI: body mass index; MDD: major depressive disorder; BD: bipolar disorder; HC: healthy control