Table 1.

Demographic and clinical characteristics of the samples

	Full Sample (N=1558)	Unrelated Sample (N=1345)
Sociodemographic:
Age	43 (13.5)	43.1 (13.6)
Female	60.9%	58.6%
Education in years	13.7 (3.4)	14.1 (3)
Married	37.8%	37.8%
Clinical:
Age of first depressive episode	25.5 (14.9)	25 (14.7)
Number of depressive episodes	4.2 (10.4)	4.3 (10.4)
Months in current episode	23.9 (52.3)	22.3 (48.6)
Axis I comorbidity present	45.4%	46.3%
Axis II comorbidity present	54.9%	56.3%
HRSD score	22.3 (4.9)	22.7 (5.1)