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Journal Article

Citation

Schild AH, Nader IW, Pietschnig J, Voracek M. Arch. Suicide Res. 2014; 18(1): 1-13.

Copyright

(Copyright © 2014, International Academy of Suicide Research, Publisher Informa - Taylor and Francis Group)

DOI

10.1080/13811118.2013.803447

PMID

24579916

Abstract

The association between ethnicity, national suicide rates, and the functional serotonin transporter gene polymorphism (5-HTTLPR), under consideration of the role of economic indicators, national alcohol intake, and national happiness scores was analyzed with an ecologic analysis. Data on allelic frequencies of the short (s) allele from 38 countries from over 100,000 healthy screened or general population individuals were analyzed with multiple regression models. Allele frequency varied widely both within and across ethnicities and an ethnicity-based interaction between national suicide rates and 5-HTTLPR allele frequency was revealed with the s allele acting as protective factor in Caucasian and as a risk factor in non-Caucasian populations. This interaction effect underlines the importance of ethnicity as a moderating factor in the genetics of suicide.


Language: en

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