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. Author manuscript; available in PMC: 2013 Apr 1.
Published in final edited form as: Biol Psychol. 2012 Feb 10;90(1):18–22. doi: 10.1016/j.biopsycho.2012.01.008

Table 1. Demographic Variables for the Bipolar Disorder and Healthy Comparison Groups.
BD HC
Mean (SEM) Mean (SEM) Statistic P-value
Age (years) 33.2 (2.1) 30.3 (1.9) t(61)=1.0 0.31
Education (years) 14.8 (0.3) 15.6 (0.4) t(61)=1.7 0.10
WASI IQ 114.1 (2.5) 115.4 (2.3) t(56)=0.39 0.70
AMNART 117.2 (1.5) 115.7 (1.3) t(60)=0.79 0.43
Sex M/F 13/18 10/22 Χ2(1)=0.78 0.38

Abbreviations: BD, bipolar disorder; HC, healthy control; SEM, standard error; M, male; F, female; WASI IQ, Wechsler Abbreviated Scale of Intelligence-Intelligence Quotient; AMNART, American Version of the Nelson Adult Reading Test score