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The Swedish Twin study of CHild and Adolescent Development: The TCHAD-Study

Published online by Cambridge University Press:  21 February 2012

Paul Lichtenstein ,
Catherine Tuvblad ,
Henrik Larsson  and
Eva Carlström
Paul Lichtenstein*
Affiliation:
Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Sweden. [email protected]
Catherine Tuvblad
Affiliation:
Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Sweden.
Henrik Larsson
Affiliation:
Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Sweden.
Eva Carlström
Affiliation:
Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Sweden.
*
*Address for correspondence: Paul Lichtenstein, Department of Medical Epidemiology and Biostatistics, Box 281, SE-171 77 Stockholm, Sweden.

Abstract

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The Swedish Twin study of CHild and Adolescent Development (TCHAD) is a longitudinal study of how genes and environments contribute to development of health and behavioral problems from childhood to adulthood. The study includes 1480 twin pairs followed since 1994, when the twins were 8 to 9 years old. The last data collection was in 2005 when the twins were 19 to 20 years old. Both parents and twins have provided data. In this article we describe the sample, data collections, and measures used. In addition, we provide some key findings from the study, focusing on antisocial behavior, criminality, and psychopathic personality.

Type
Articles
Information
Twin Research and Human Genetics , Volume 10 , Issue 1 , 01 February 2007 , pp. 67 - 73
Copyright
Copyright © Cambridge University Press 2007