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. Author manuscript; available in PMC: 2019 May 1.
Published in final edited form as: Schizophr Res. 2017 Oct 3;195:306–317. doi: 10.1016/j.schres.2017.09.024

Table 2.

Clinical and demographic characteristics of the GENUS Consortium Sample Collection.

Patients Controls Familial High Risk Statistic df p



N Mean ± SD (Range) N Mean ± SD (Range) N Mean ± SD (Range)
Age (years) 5,197 39.3±12.2 (13–82) 4,877 39.2±15.8 (8–86) 725 34.9±16.0 (10–85) F = 31.2 2, 10796 <1x10−10
Education Level (years) 4,697 12.3±2.6 (1–24) 4,031 13.3±2.6 (4–26) 721 13.1±3.2 (3–24) F = 163.4 2, 9446 <1x10−10
Premorbid IQ 3,145 97.1±15.5 (44–145) 1,393 107.6±10.7 (62–145) 83 105.1±16.0 (45–134) F = 263.4 2, 4618 <1x10−10
Current IQ 1,889 93.8±18.1 (47–155) 2,779 113.4±14.9 (67–161) 602 105.1±15.6 (58–152) F = 817.8 2, 5267 <1x10−10
Illness Duration (years) 4,165 15.1±11.6 (<1–58) --- --- --- --- --- --- ---
Age at Onset (years) 4,124 23.8±8.6 (1–71) --- --- --- --- --- --- ---
Global Assessment of Functioning 1,764 59.8±15.9 (11–100) --- --- --- --- --- --- ---
PANSS Positive symptoms 2,916 16.3±7.3 (7–47) --- --- --- --- --- --- ---
PANSS Negative Symptoms 2,912 16.7±7.1 (7–43) --- --- --- --- --- --- ---
PANSS General Symptoms 2,919 32.0±11.8 (0–93) --- --- --- --- --- --- ---
SAPS Positive Symptoms 1,533 7.9±12.3 (0–121) --- --- --- --- --- --- ---
SANS Negative Symptoms 983 23.6±20.1 (0–103) --- --- --- --- --- --- ---
Antipsychotic dose – current CPZEQ 3,315 384.2±406.6 (0–5,000) --- --- --- --- --- --- ---
Antipsychotic dose – lifetime average CPZEQ 1,433 338.3±365.1 (0–3,125) --- --- --- --- --- --- ---

N % N % N %

Sex (male/female; % male) 3,417/1,781 65.7 2,419/2,458 49.6 317/408 43.7 χ2 = 322.9 2 <1x10−10
Antipsychotic medication exposure
Atypical 2,100 49.1 --- --- --- --- --- --- ---
Typical 411 9.6 --- --- --- --- --- --- ---
Both Typical and Atypical 544 12.7 --- --- --- --- --- --- ---
Naïve/None 474 11.1 --- --- --- --- --- --- ---
Unknown Class 324 7.6 --- --- --- --- --- --- ---
No information 422 9.9 --- --- --- --- --- --- ---
Diagnosis
Schizophrenia 3,973 76.4 --- --- --- --- --- --- ---
Schizoaffective Disorder 465 8.9 --- --- --- --- --- --- ---
Schizophreniform Disorder 93 1.8 --- --- --- --- --- --- ---
Bipolar Psychosis 338 6.5 --- --- --- --- --- --- ---
Other Psychosis 204 3.9 --- --- --- --- --- --- ---
Psychosis Unknown Type 126 2.4 --- --- --- --- --- --- ---
Ancestral Population χ2 = 567.6 12 <1x10−10
European 3,686 71.2 3,396 69.7 632 87.2 --- --- ---
East Asian 697 13.5 1,117 22.9 3 0.4 --- --- ---
African 510 9.9 152 3.1 57 7.9 --- --- ---
American (Predominantly Latino) 140 2.7 30 0.6 3 0.4 --- --- ---
South Asian 50 1.0 35 0.7 7 1.0 --- --- ---
Mixed 28 0.5 11 0.2 10 1.4 --- --- ---
No information 68 1.3 135 2.8 13 1.8
Handedness (right/other; % right-handed) 2,322/260 89.9 2,378/252 90.4 609/59 91.2 χ2 = 1.0 2 0.60

Data in this table are based on the total GENUS sample collection; data for the subset with genotype data are provided in Supplementary Table 2.

CPZEQ = chlorpromazine 100 mg equivalent; df = degrees of freedom; PANSS = Positive and Negative Syndrome Scale; SANS = Scale for the Assessment of Negative Symptoms; SAPS = Scale for the Assessment of Positive Symptoms; SD = Standard Deviation