. Author manuscript; available in PMC: 2015 Dec 28.

Published in final edited form as: Clin Psychol Sci. 2014 Apr 9;2(6):661–674. doi: 10.1177/2167702614527580

Table 1.

Demographic variables, current mood state, and clinical and health characteristics of study participants

	Psychotic BD (n = 25)		Non-psychotic BD (n = 16)		HC (n = 20)		Group Difference
	M	SD	M	SD	M	SD	F or X² statistics	p-value
Demographic variables
Age	39.48^a	11.31	44.63^a	7.56	37.10^b	13.23	F(2, 58) = 2.07	.07
Gender (n = females)	15^a		9^a		10^a		χ²(2) = .45	.80
Education (years)	16.00^a	2.11	14.87^a	1.92	16.35^a	2.68	F(2, 56) = 1.93	.16
Parental education (years)	14.68^a	2.94	15.31^a	2.80	15.85^a	3.22	F(2, 58) = .85	.43

Current mood state
Beck Depression Inventory	7.71^a	6.38	13.47^b	6.79	.55^c	1.23	F(2, 56) = 25.50	< .001
Altman Self-Rating Mania Scale	4.41^a	3.94	2.93^a	2.74	1.20^b	1.96	F(2, 54) = 5.79	< .01
Mood based subgroups (n)
Euthymic	11^a		7^a		20^b		χ²(2) = 15.45	< .001
Depressed	3^a		7^b		0^c		χ²(2) = 13.28	= .001
Hypomanic/Manic	9^a		2^a		0^b		χ²(2) = 11.72	< .01
Mixed	1^a		1^a		0^a		χ²(2) = 1.24	.54
Missing	3^a		1^a		0^a		χ²(2) = 2.62	.27

Clinical and health characteristics
Substance abuse/dependence (n)
Past diagnosis	13^a		7^a		1^b		χ²(2) = 12.58	< .01
Current diagnosis	6^a		6^a		0^b		χ²(2) = 9.01	< .05
Smoking status (n = smokers)	2^a		3^a		1^a		χ²(2) = 2.26	.32
Age at onset of BD	17.32^a	7.72	18.13^a	7.37	NA		F(1, 39) = .11	.74
Illness duration	22.16^a	14.17	26.50^a	9.00	NA		F(1, 39) = 1.19	.28
Comorbidity (n)	9^a		5^a		NA		χ²(1) = .07	.79
Medication use (n)	21^a		16^a		NA		χ²(1) = 2.84	.09
Psychotic experiences (n)
None	0		16		NA
During depressed episode	1		0		NA
During mania episode	12		0		NA
During mixed episode	9		0		NA
Uncertain when it happened	3		0		NA

Note. Numbers that share subscripts are not significantly different from one another.