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Genetic and Environmental Influences on Gambling: A Meta-Analysis of Twin Studies
Xuan, Yan-Hua1,2; Li, Shu1,2; Tao, Rui1,2; Chen, Jie2,3; Rao, Li-Lin1,2; Wang, X. T.4; Zheng, Rui1,2
2017-12-05
Source PublicationFRONTIERS IN PSYCHOLOGY
ISSN1664-1078
SubtypeReview
Volume8Issue:0Pages:1-8
Abstract

Disentangling the genetic and environmental influences of gambling is important for explaining the roots of individual differences in gambling behavior and providing guidance for precaution and intervention, but we are unaware of any comprehensive and systematic quantitative meta-analysis. We systematically identified 18 twin studies on gambling in the meta-analysis. The correlation coefficients within monozygotic (MZ) and dizygotic (DZ) twins, along with the corresponding sample size, were used to calculate the proportion of the total variance accounted for by additive genes (A), dominant genes (D), the shared environment (C), and the non-shared environment plus measurement error (E). We further assessed the moderating effects of gambling assessment (symptom oriented assessment vs. behavior oriented assessment), age, and sex. The whole sample analyses showed moderate additive genetic (a(2) = 0.50) and non-shared environmental influences (e(2) = 0.50) on gambling. The magnitude of the genetic influence (a(2)) was higher for disordered gambling assessed with symptom oriented assessment (53%) than for general gambling assessed with behavior oriented assessment (41%). Additionally, the magnitude of the genetic influence (a(2)) was higher for adults (53%) than adolescents (42%). Genetic influence (a(2)) was greater for male (47%) gambling than female (28%) gambling. Shared environment had noticeable effects on female gambling (c(2) = 14%) but zero effect on male gambling. In conclusion, gambling behavior was moderately heritable and moderately influenced by non-shared environmental factors. Gambling assessment, age, and sex significantly moderated the magnitude of genetic and environmental influences on gambling. Note that the number of studies might serve as a limitation.

Keywordgambling heritability meta-analysis twin studies disordered vs. general gambling
DOI10.3389/fpsyg.2017.02121
Indexed BySSCI
Language英语
Funding OrganizationNational Natural Science Foundation of China(71771209 ; Key Project of the Chinese Academy of Sciences(KJZD-EW-L04) ; Basic Project of National Science and Technology of China(2009FY110100) ; Beijing Excellent Doctoral Dissertation(20138012501) ; Beijing Municipal Natural Science Foundation(9172020) ; 31170976 ; 7171101069)
WOS Research AreaPsychology
WOS SubjectPsychology, Multidisciplinary
WOS IDWOS:000417068800001
WOS HeadingsSocial Sciences
WOS KeywordSUBSTANCE USE ; GENDER-DIFFERENCES ; LONGITUDINAL TWIN ; ADOLESCENT HEALTH ; MAJOR DEPRESSION ; AUSTRALIAN TWIN ; SEX-DIFFERENCES ; RISK-TAKING ; ADDICTION ; DISORDERS
Citation statistics
Cited Times:6[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.psych.ac.cn/handle/311026/22231
Collection中国科学院行为科学重点实验室
Affiliation1.Chinese Acad Sci, Inst Psychol, Key Lab Behav Sci, Beijing, Peoples R China
2.Univ Chinese Acad Sci, Dept Psychol, Beijing, Peoples R China
3.Chinese Acad Sci, Inst Psychol, Key Lab Mental Hlth, Beijing, Peoples R China
4.Univ South Dakota, Dept Psychol, Vermillion, SD USA
Recommended Citation
GB/T 7714
Xuan, Yan-Hua,Li, Shu,Tao, Rui,et al. Genetic and Environmental Influences on Gambling: A Meta-Analysis of Twin Studies[J]. FRONTIERS IN PSYCHOLOGY,2017,8(0):1-8.
APA Xuan, Yan-Hua.,Li, Shu.,Tao, Rui.,Chen, Jie.,Rao, Li-Lin.,...&Zheng, Rui.(2017).Genetic and Environmental Influences on Gambling: A Meta-Analysis of Twin Studies.FRONTIERS IN PSYCHOLOGY,8(0),1-8.
MLA Xuan, Yan-Hua,et al."Genetic and Environmental Influences on Gambling: A Meta-Analysis of Twin Studies".FRONTIERS IN PSYCHOLOGY 8.0(2017):1-8.
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