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Socioeconomic Status and Adolescent Alcohol Involvement: Evidence for a Gene-Environment Interaction.
J Stud Alcohol Drugs. 2018 09; 79(5):725-732.JS

Abstract

OBJECTIVE

Adolescence is an optimal developmental stage for examining the interplay of environmental factors and the genetic risk for alcohol involvement. The current study aimed to examine how socioeconomic status might interact with genetic risk for alcohol involvement among adolescents.

METHOD

A total of 839 same-sex adolescent twin pairs (509 monozygotic and 330 dizygotic) from the 1962 National Merit Twin Study completed a questionnaire containing items assessing alcohol involvement. Twins were approximately 17 years old at the time of participation. Parents provided reports of family income and educational attainment. Models were fit examining parental education and family income as moderators of genetic and environmental influences on alcohol use.

RESULTS

There was evidence for moderation of genetic and environmental influences on alcohol involvement by family income. For twins with the lowest levels of family income, genetic and shared environmental influences accounted for 50% and 26% of the variance in alcohol involvement, respectively, compared with 2% and 67% of the variance among those at the highest level of income.

CONCLUSIONS

These findings suggest that etiological influences on alcohol involvement vary as a function of an adolescent's socioeconomic status.

Authors+Show Affiliations

Department of Psychological Sciences, University of Missouri, Columbia, Missouri.Department of Psychological Sciences, University of Missouri, Columbia, Missouri.

Pub Type(s)

Journal Article
Research Support, N.I.H., Extramural
Twin Study

Language

eng

PubMed ID

30422786

Citation

Davis, Christal N., and Wendy S. Slutske. "Socioeconomic Status and Adolescent Alcohol Involvement: Evidence for a Gene-Environment Interaction." Journal of Studies On Alcohol and Drugs, vol. 79, no. 5, 2018, pp. 725-732.
Davis CN, Slutske WS. Socioeconomic Status and Adolescent Alcohol Involvement: Evidence for a Gene-Environment Interaction. J Stud Alcohol Drugs. 2018;79(5):725-732.
Davis, C. N., & Slutske, W. S. (2018). Socioeconomic Status and Adolescent Alcohol Involvement: Evidence for a Gene-Environment Interaction. Journal of Studies On Alcohol and Drugs, 79(5), 725-732.
Davis CN, Slutske WS. Socioeconomic Status and Adolescent Alcohol Involvement: Evidence for a Gene-Environment Interaction. J Stud Alcohol Drugs. 2018;79(5):725-732. PubMed PMID: 30422786.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Socioeconomic Status and Adolescent Alcohol Involvement: Evidence for a Gene-Environment Interaction. AU - Davis,Christal N, AU - Slutske,Wendy S, PY - 2018/11/14/entrez PY - 2018/11/14/pubmed PY - 2019/10/9/medline SP - 725 EP - 732 JF - Journal of studies on alcohol and drugs JO - J Stud Alcohol Drugs VL - 79 IS - 5 N2 - OBJECTIVE: Adolescence is an optimal developmental stage for examining the interplay of environmental factors and the genetic risk for alcohol involvement. The current study aimed to examine how socioeconomic status might interact with genetic risk for alcohol involvement among adolescents. METHOD: A total of 839 same-sex adolescent twin pairs (509 monozygotic and 330 dizygotic) from the 1962 National Merit Twin Study completed a questionnaire containing items assessing alcohol involvement. Twins were approximately 17 years old at the time of participation. Parents provided reports of family income and educational attainment. Models were fit examining parental education and family income as moderators of genetic and environmental influences on alcohol use. RESULTS: There was evidence for moderation of genetic and environmental influences on alcohol involvement by family income. For twins with the lowest levels of family income, genetic and shared environmental influences accounted for 50% and 26% of the variance in alcohol involvement, respectively, compared with 2% and 67% of the variance among those at the highest level of income. CONCLUSIONS: These findings suggest that etiological influences on alcohol involvement vary as a function of an adolescent's socioeconomic status. SN - 1938-4114 UR - https://www.unboundmedicine.com/medline/citation/30422786/Socioeconomic_Status_and_Adolescent_Alcohol_Involvement:_Evidence_for_a_Gene_Environment_Interaction_ L2 - https://www.jsad.com/doi/abs/10.15288/jsad.2018.79.725 DB - PRIME DP - Unbound Medicine ER -