Does Marriage Moderate Genetic Effects on Delinquency and Violence?

Li, Yi; Liu, Hexuan; & Guo, Guang. (2015). Does Marriage Moderate Genetic Effects on Delinquency and Violence? Journal of Marriage and Family, 77(5), 1217-33. PMCID: PMC4631445

Li, Yi; Liu, Hexuan; & Guo, Guang. (2015). Does Marriage Moderate Genetic Effects on Delinquency and Violence? Journal of Marriage and Family, 77(5), 1217-33. PMCID: PMC4631445

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Using data from the National Longitudinal Study of Adolescent to Adult Health (N = 1,254), the authors investigated whether marriage can foster desistance from delinquency and violence by moderating genetic effects. In contrast to existing gene–environment research that typically focuses on one or a few genetic polymorphisms, they extended a recently developed mixed linear model to consider the collective influence of 580 single nucleotide polymorphisms in 64 genes related to aggression and risky behavior. The mixed linear model estimates the proportion of variance in the phenotype that is explained by the single nucleotide polymorphisms. The authors found that the proportion of variance in delinquency/violence explained was smaller among married individuals than unmarried individuals. Because selection, confounding, and heterogeneity may bias the estimate of the Gene × Marriage interaction, they conducted a series of analyses to address these issues. The findings suggest that the Gene × Marriage interaction results were not seriously affected by these issues.




JOUR



Li, Yi
Liu, Hexuan
Guo, Guang



2015


Journal of Marriage and Family

77

5

1217-33








PMC4631445


9117

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