. Author manuscript; available in PMC: 2015 Feb 2.

Published in final edited form as: J Clin Psychiatry. 2013 May;74(5):492–499. doi: 10.4088/JCP.12m07842

Table 2.

Correlations, variances, means, and standard deviations

	LOA	BDI-II₀ (N = 1080)	BDI-II₂ (N = 870)	BDI-II₄ (N = 649)	BDI-II₆ (N = 483)	BDI-II₈ (N = 191)	Sex	Age	Trma	Inpt	Dep	BP	Psyc	Sub
LOA	286.09
BDI-II₀	.20^**	173.01
BDI-II₂	.24^**	.60^**	137.79
BDI-II₄	.20^**	.44^**	.71^**	114.22
BDI-II₆	.19^**	.36^**	.62^**	.75^**	98.51
BDI-II₈	.07	.28^**	.46^**	.62^**	.80^**	81.97
Sex	−.06	−.21^**	−.11^**	−.08^*	−.07	−.10	.25
Age	−.08^**	.01	−.04	−.02	−.04	−.00	.01	221.29
Trma	.01	.10^**	.04	.01	−.05	−.02	−.10^**	−.07^*	.24
Inpt	.06^*	.15^**	.17^**	.14^**	.13^**	.12	−.10^**	−.02	.10^**	.24
Dep	.09^**	.19^**	.07^*	.06	.02	.00	−.08^**	.14^**	.01	−.06	.25
BP	−.02	.02	−.01	−.02	.03	.07	−.06^*	.01	.04	.14^**	−.46^**	.14
Psyc	−.07^*	−.13^**	−.05	−.01	−.03	−.09	.14^**	−.15^**	−.04	.06^*	−.29^**	−.12^**	.07
Sub	−.09^**	−.14^**	−.07	−.06	−.06	−	.07^*	.02	−.00	−.01	−.18^**	−.08^*	−.05	.03
mean	33.78	25.11	14.66	11.38	9.20	7.57	.50	36.73	.62	.61	.52	.16	.07	.03
SD	16.91	13.15	11.74	10.69	9.23	9.05	.50	14.88	.49	.49	.50	.37	.26	.17

Note: Variances provided along the diagonal; LOA = length of admission; BDI-II = Beck Depression Inventory II [subscripts indicate scores from admission to week 8]; Trma = probable trauma history; Inpt = previous psychiatric hospitalization; Dep = primary depressive diagnosis; BP = primary bipolar diagnosis; Psyc = primary psychotic disorder diagnosis; Sub = primary alcohol/substance use diagnosis.

p ≤ .05

^**

p ≤ .01