Table 1.

Demographic Characteristics of Probands and Relatives

	Proband Group
Characteristic	Borderline Personality Disorder	Non-Borderline Personality Disorder	Major Depressive Disorder
	Probands
Total No.	132	134	102
Age, y, mean (SD)	23.9 (4.6)	25.7 (4.7)	27.0 (5.1)
Female, No. (%)	132 (100)	134 (100)	102 (100)
	Relatives
Total No.	314	337	234
Age, y, mean (SD)	41.5 (14.8)	40.5 (15.5)	41.4 (16.1)
Relationship to proband, No. (%)
Mother	113 (36.0)	109 (32.3)	84 (35.9)
Father	73 (23.2)	56 (16.6)	38 (16.2)
Sister	78 (24.8)	110 (32.6)	73 (31.2)
Brother	50 (15.9)	62 (18.4)	39 (16.7)