. Author manuscript; available in PMC: 2015 Nov 1.

Published in final edited form as: Bipolar Disord. 2014 Jul 3;16(7):703–712. doi: 10.1111/bdi.12225

Table 1.

Demographics, symptom ratings, and behavioral performance data for all groups

Group	BP-I	MDD	HC	p-value
Group	BP-I	MDD	HC	BP-I versus MDD	BP-I versus HC	MDD versus HC
Age, years, mean (SD)	30 (8)	27 (7)	26 (7)	0.336^a	0.156^a	0.896^a
Ethnicity, non- white, %	28	48	40	0.230^b	0.540^b	0.830^b
Sex, female, %	68	68	67	1.000^b	0.560^b	0.560^b
Education, years, mean (SD)	12 (2)	12 (2)	15(2)	0.966^a	0.000^a	0.000^a
YMRS score, mean (SD)	8(6)	7(5)	1 (1)	0.446^a	-	-
HAM-D score, mean (SD)	32 (7)	38 (8)	1 (1)	0.011^a	-	-
Reaction time, msec, average (SD)	855 (162)	847 (205)	745 (128)	0.970^a	0.002^a	0.004^a
Accuracy, average (SD)	97 (5)%	93 (17)%	98 (2)%	0.043^a	0.550^a	0.002^a
d’, average (SD)	0.989 (0.013)	0.977 (0.040)	0.993 (0.008)	0.191^a	0.842^a	0.060^a

BP-I = bipolar disorder; MDD = major depressive disorder; HC = healthy comparison; SD = standard deviation; YMRS = Young Mania Rating Scale; HAM-D = Hamilton Rating Scale for Depression.

ANOVA.

Chi-square.