Table 5. Clinical Correlates of Depression by Mood Disorder Spectrum Subgroups.

	MDD + Mania		MDD + Hypomania		MDD + Subth Hypomania		MDD Only		MDD + Hypomania vs. MDD + Subth Hypomania	MDD + Subth Hypomania vs. MDD Only
	%	s.e.	%	s.e.	%	s.e.	%	s.e.	OR (95% C.I.)	OR (95% C.I.)
Treatment for depression
Lifetime	86.2	3.3	77.4	4.5	64.9	2.4	64.8	1.8	1.8 (1.1-3.1)*	1.1 (0.8-1.4)
Last 12 months	63.3	9.1	42.8	5.4	36.1	4.0	38.3	2.3	1.3 (0.8-2.3)	0.9 (0.6-1.4)
Number of episodes of depression
≥5	72.0	4.9	60.2	5.4	39.6	1.9	25.6	1.6	2.3 (1.5-3.7)*a	1.9 (1.5-2.4)*b
2-5	23.3	3.9	25.1	3.5	41.3	2.2	39.3	2.0
≤1	4.7	2.2	14.7	3.3	19.1	1.7	35.1	1.8
Quick Inventory of Depressive Symptoms (12 month)
Severe	72.4	10.0	73.8	7.5	54.1	3.5	51.7	2.1	2.4 (1.1-5.5)*c	1.1 (0.8-1.6)d
Moderate	20.5	9.5	26.2	7.5	36.6	3.4	36.9	2.0
Mild	7.1	5.1	0.0	0.0	8.6	1.8	9.3	1.5
None	0.0	0.0	0.0	0.0	0.7	0.7	2.1	0.8
Depression in family members	31.6	6.6	28.3	4.7	20.0	1.7	16.8	1.5	1.7 (1.0-2.8)*	1.1 (0.8-1.5)

^{a, b}Subjects with more than 5 episodes versus all others

^{c, d}Severe group versus all others

^*p<0.05