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. Author manuscript; available in PMC: 2015 Jun 7.
Published in final edited form as: Am J Med Genet B Neuropsychiatr Genet. 2015 Mar 4;0(3):151–161. doi: 10.1002/ajmg.b.32298

TABLE I.

Demographic Characteristics of the Sample

SCZ
(n = 141)
BID
(n = 127)
Controls
(n = 128)
SCZ vs. HC BID vs. HC SCZ vs. BID
Age, yrs 43.9 (12.5) 40.0 (13.7) 33.2 (12.5) P < 0.001 P < 0.001 P = 0.01
Female sex, N (%) 47 (33) 67 (53) 71(55) P < 0.001 P = 0.66 P = 0.001
Education, yrs 14.3 (2.1) 15.1 (2.0) 15.6 (2.1) P < 0.001 P = 0.04 P = 0.004
Smoker, N (%) 44 (39) 38 (35) 9 (9) P < 0.001 P < 0.001 P = 0.48
Age of illness onset 22.9 (7.8) 22.4 (8.8) N/A N/A N/A P = 0.59
CPZ* 726.5 (910) 359.2 (338) N/A N/A N/A P = 0.002

Data are presented as mean (SD) unless otherwise indicated. (SCZ schizophrenia, BID bipolar disorder, CPZ chlorpromazine equivalent).

*

SCZ n=120, BID n=85.