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Child Maltreatment and Substance Use: A Behavior Genetic Analysis
Andia M Azimi1, Eric J Connolly1
1Department of Criminal Justice and Criminology, 4038Sam Houston State University, Huntsville, TX, USA.
Child Maltreatment
|January 10, 2022
Summary
Genetic and environmental factors influence the link between child maltreatment and substance use. Additive genetic and nonshared environmental factors explain the longitudinal associations between maltreatment, cigarette use, and marijuana use.
Area of Science:
- Psychology
- Genetics
- Public Health
Background:
- Child maltreatment is a widespread issue with serious consequences.
- Substance use is a common outcome, but not universal, following maltreatment.
- Individual differences in resilience and susceptibility, potentially influenced by genetics, affect outcomes.
Purpose of the Study:
- To investigate the genetic and environmental contributions to the longitudinal relationship between child maltreatment and substance use.
- To address a gap in understanding the interplay of genetic and environmental factors in this association.
Main Methods:
- Analysis of a twin sample from the National Longitudinal Study of Adolescent to Adult Health (Add Health).
- Application of univariate and bivariate biometric modeling.
Main Results:
- Longitudinal associations between child maltreatment, cigarette use, and marijuana use are explained by additive genetic and nonshared environmental factors.
- The influence of these factors varies across different patterns of cigarette and marijuana use.
Conclusions:
- Genetic and environmental factors play a significant role in the long-term association between child maltreatment and substance use.
- Understanding these factors is crucial for developing targeted interventions and prevention strategies.
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