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Schizophrenia Risk Factors

AC Alastair G. Cardno
SS Saskia Selzam
DF Daniel Freeman
AR Angelica Ronald
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Schizophrenia risk factors were as follows: family history (27) measured as presence/absence of schizophrenia in a first or second degree relative (14) and validated with the schizophrenia polygenic risk score; older paternal age (28); ethnic minority status (29); obstetric complications (30); slower developmental milestones (31) measured with total vocabulary at age 2 years; lower premorbid IQ (32) measured as general cognitive ability (g) at age 12 years; bullying victimization (33) at age 12 years (12); and cannabis use (34) by age 16 years (13). Further information is presented in Table ​Table11 and supplementary methods.

Schizophrenia‐relevant variables in the study

Abbreviation: GCSE, General Certificate of Secondary Education.

Copyright and License information:  ©2021 The Authors. published by Wiley Periodicals LLC. on behalf of the American Psychiatric Association
This is an open access article under the terms of the http://creativecommons.org/licenses/by/4.0/ License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.

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