Table 1.

Demographic and Clinical Characteristics of Study Sample at Intake Into Collaborative Depression Study (CDS) (N=757)

Characteristic	n	%
Gender
Women	468	61.8
Men	289	38.2
Marital status
Never married	249	32.9
Married	338	44.6
Divorced/separated/widowed	170	22.5
Hollingshead SES20,a
1	33	4.4
2	125	16.5
3	229	30.3
4	223	29.5
5	147	19.4
Intake site
New York, New York	104	13.7
St Louis, Missouri	202	26.7
Boston, Massachusetts	122	16.1
Iowa City, Iowa	181	23.9
Chicago, Illinois	148	19.6
Intake status
Inpatient	602	79.5
Outpatient	155	20.5
No. of major depressive episodes prior to CDS  intake
0	206	2 7.2
1 177	23.4
2	103	13.6
3	72	9.5
4	43	5.7
5 or more	156	20.6
History of suicide attempt	375	49.5
	Mean	Median	SD
Global Assessment Scale score	35.6	35	10.8
17-Item Hamilton Depression Rating Scale (extracted)	20.2	21	7.9
Age, y	38.1	35	14.0
Follow-up duration, y	16.4	20	8.5

^aHolingshead SES score ranges from 1 (higher socioeconomic status) to 5 (lower socioeconomic status).