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News:
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Genetic influences more important than shared environmental influences in the development of gambling disorder

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Author(s): Davis, Christal N. ; Slutske, Wendy S. ; Martin, Nicholas G. ; Agrawal, Arpana ; Lynskey, Michael T.

Journal: Psychological Medicine

Year Published: 2019

Date Added: January 16, 2019

The current study combined data from two Australian twin studies to carry out the largest twin study of gambling disorder (GD) to date. The results showed that genetic and unique environmental factors both have significant influences on the development of GD. There were no differences in the contributions of genetics and environment on GD development between men and women.


Citation: Davis, C. N., Slutske, W. S., Martin, N. G., Agrawal, A., & Lynskey, M. T. (2019). Genetic and environmental influences on gambling disorder liability: A replication and combined analysis of two twin studies. Psychological Medicine, 49(10), 1705-1712. https://doi.org/10.1017/S0033291718002325

Article DOI: https://doi.org/10.1017/S0033291718002325

Keywords: Diagnostic and Statistical Manual of Mental Disorders V (DSM-5) ; gambling disorder ; gender differences ; genetics ; National Opinion Research Center DSM-IV Screen for Gambling Disorders (NODS) ; social environment ; twin studies

Topics: Biological Factors ; Diagnostic and Statistical Manual of Mental Disorders (DSM) ; Gambling Environment

Conceptual Framework Factors:   Psychological - Social Learning ; Cultural - Gender ; Cultural Factors ; Biological Factors ; Social Factors ; Biological - Genetic Inheritance

Response Rate: N/A

Study Design: Observational: Cohort

Geographic Coverage: Australia

Study Population: Replication study: Adult twins (n=3292) born between 1972 and 1979 with an average age of 31.8 years. Original study: Adults twins (n=4764) born between 1964 and 1971 with an average age of 37.7 years.

Sampling Procedure: Participants were recruited through the Australian Twin Registry.

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