. Author manuscript; available in PMC: 2008 Jun 26.

Published in final edited form as: Psychiatr Clin North Am. 2008 Jun;31(2):157–177. doi: 10.1016/j.psc.2008.02.001

Table 5.

Studies of the Risk of Familial Suicide in the Relatives of Suicide Probands

Study	Year	Probands	Controls	Sample size proband/control	OR
Tsuang	1985	Patient suicides	Patient non-suicides	29/491	3.8
Egeland	1985	Suicides in Amish studies	Comparison pedigree	-	4.6
Foster	1999	Irish suicides	Attendees in same general practice	118/118	3.0(NS)^a
Powell	2000	Inpatient suicides	Inpatient non-suicides	112/112	4.6^a
Tsai	2002	Bipolar suicides	Bipolar controls	41/41	15.1^a

Adjusted OR.

From Brent and Mann. Family genetic studies, suicide, and suicidal behavior. Am J Psychiatry 2005;133C:13–24, with permission.