. Author manuscript; available in PMC: 2016 Jan 1.

Published in final edited form as: J Am Acad Child Adolesc Psychiatry. 2014 Oct 29;54(1):37–44.e2. doi: 10.1016/j.jaac.2014.10.010

Table 3.

Clinical Features Associated With 12-Month DSM-IV, Severe, and Mild/Moderate Major Depressive Disorder (MDD)

Clinical Features	12-Month DSM-IV MDD (Total)		12-Month Severe MDD		12-Month Mild/Moderate MDD		Group Comparison (Severe MDD vs. Mild/Moderate MDD)
	n=777		n=232		n=545		Wald χ²₁	p
	% or Mean	SE	% or Mean	SE	% or Mean	SE	Wald χ²₁	p
Severe Role Impairment^a	63.00	2.8	79.27	3.7	55.30	3.21	33.4	<0001
Days out of role in past 12 months	10.05	1.19	15.84	2.77	7.24	1.20	8.2	.004
Age of onset	12.06	0.17	12.20	0.27	12.00	0.18	0.03	.854
Duration (in weeks)	26.79	3.03	34.92	6.46	23.23	2.92	2.0	.154
Suicidality (thought/plan/attempt) in past 12 months	28.17	2.88	41.72	5.02	22.24	2.96	19.7	<0001
Suicidal thoughts in past 12 months	27.34	3.02	38.97	5.83	22.24	2.96	12.3	.001
Suicide plan in past 12 months	9.59	1.32	20.91	3.90	4.64	1.32	16.7	<0001
Suicide attempt in past 12 months	10.80	2.33	20.71	3.99	6.45	2.36	19.7	<0001

Note: The tests of group comparisons adjusted for sex, age, race/ethnicity, and poverty index ratio. SE= standard error.

Severe or very severe impairment (≥7) on any of the 4 Sheehan Disability Scale role domains (home, school/work, family, social).