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. Author manuscript; available in PMC: 2009 May 14.
Published in final edited form as: Schizophr Res. 2008 Jan 16;100(1-3):316–324. doi: 10.1016/j.schres.2007.12.467

Table 1.

Characteristics of Participants

Relatives of Schizophrenia Patients Relatives of Bipolar Patients Nonpsychiatric Control Subjects
N 95 46 87
% female 66 54 48
Mean age (SD) 52.03 (12.9) 50.22 (15.8) 2.29 (15.4)
% Lifetime Axis I Disorder 26.3 32.6 4.6
 % Lifetime MDD 20.0 21.7 0
 % Lifetime BPD 1.1 0 0
 % Lifetime Alcohol/Drug Dependence 5.3 2.2 3.4
% Lifetime Axis II Disorder 4.2 4.3 0
% Lifetime SCZ Spectrum Disorder 4.2 2.2 0

Note SD=Standard deviation; MDD=Major Depressive Disorder; BPD=Bipolar Disorder; SCZ Spectrum Disorder=DSM-IV Psychotic Disorders and Cluster A Personality Disorders.