General and specific predictors of nicotine and alcohol dependence in early adulthood: genetic and environmental influences

Diana R. Samek; Margaret A. Keyes; Brian M. Hicks; Jennifer Bailey; Matt McGue; William G. Iacono

doi:10.15288/jsad.2014.75.623

General and specific predictors of nicotine and alcohol dependence in early adulthood: genetic and environmental influences

Diana R. Samek, Margaret A. Keyes, Brian M. Hicks, Jennifer Bailey, Matt McGue, William G. Iacono

Psychology (Twin Cities)

Research output: Contribution to journal › Article › peer-review

11 Scopus citations

Abstract

OBJECTIVE: This study builds on previous work delineating a hierarchical model of family environmental risk in relation to a hierarchical model of externalizing disorders (EXTs) by evaluating for gene-environment interplay in these relationships. The associations between parent-child relationship quality (conflict, bonding, and management) and substance-specific adolescent family environments (parental/sibling tobacco/alcohol use) in relation to young adult EXTs (age ∼22 years nicotine, alcohol, and other drug dependence; antisocial and risky sexual behavior) were evaluated.

METHOD: The sample included 533 adopted offspring and 323 biological offspring. Because adopted youth do not share genes with their parents, a significant association between parent-child relationship quality and EXTs would provide evidence against passive gene-environment correlation (rGE). Significant associations between parental tobacco/alcohol use in relation to offspring nicotine/alcohol dependence in the adopted offspring support common environmental influence. Significant associations detected for the biological offspring only suggest common genetic influence.

RESULTS: For both adoptive and biological offspring, there was a significant association between parent-child relationship quality and EXTs. Parental tobacco/alcohol use was unrelated to EXTs. Sibling tobacco/alcohol use was related to EXTs, but only for the biological siblings. Parental tobacco use was associated with the residual variance in nicotine dependence in adopted offspring.

CONCLUSIONS: Findings replicate a long-term influence of adolescent parent-child relationship quality on adult EXTs. Findings extend previous research by providing evidence against passive rGE in this association. The association between parental tobacco use and adult nicotine dependence appears to be environmentally mediated, but caution is warranted as we found this relationship only for adopted youth.

Original language	English (US)
Pages (from-to)	623-634
Number of pages	12
Journal	Journal of studies on alcohol and drugs
Volume	75
Issue number	4
DOIs	https://doi.org/10.15288/jsad.2014.75.623
State	Published - Jul 1 2014

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10.15288/jsad.2014.75.623

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abstract = "OBJECTIVE: This study builds on previous work delineating a hierarchical model of family environmental risk in relation to a hierarchical model of externalizing disorders (EXTs) by evaluating for gene-environment interplay in these relationships. The associations between parent-child relationship quality (conflict, bonding, and management) and substance-specific adolescent family environments (parental/sibling tobacco/alcohol use) in relation to young adult EXTs (age ∼22 years nicotine, alcohol, and other drug dependence; antisocial and risky sexual behavior) were evaluated.METHOD: The sample included 533 adopted offspring and 323 biological offspring. Because adopted youth do not share genes with their parents, a significant association between parent-child relationship quality and EXTs would provide evidence against passive gene-environment correlation (rGE). Significant associations between parental tobacco/alcohol use in relation to offspring nicotine/alcohol dependence in the adopted offspring support common environmental influence. Significant associations detected for the biological offspring only suggest common genetic influence.RESULTS: For both adoptive and biological offspring, there was a significant association between parent-child relationship quality and EXTs. Parental tobacco/alcohol use was unrelated to EXTs. Sibling tobacco/alcohol use was related to EXTs, but only for the biological siblings. Parental tobacco use was associated with the residual variance in nicotine dependence in adopted offspring.CONCLUSIONS: Findings replicate a long-term influence of adolescent parent-child relationship quality on adult EXTs. Findings extend previous research by providing evidence against passive rGE in this association. The association between parental tobacco use and adult nicotine dependence appears to be environmentally mediated, but caution is warranted as we found this relationship only for adopted youth.",

author = "Samek, {Diana R.} and Keyes, {Margaret A.} and Hicks, {Brian M.} and Jennifer Bailey and Matt McGue and Iacono, {William G.}",

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T1 - General and specific predictors of nicotine and alcohol dependence in early adulthood

T2 - genetic and environmental influences

AU - Samek, Diana R.

AU - Keyes, Margaret A.

AU - Hicks, Brian M.

AU - Bailey, Jennifer

AU - McGue, Matt

AU - Iacono, William G.

PY - 2014/7/1

Y1 - 2014/7/1

N2 - OBJECTIVE: This study builds on previous work delineating a hierarchical model of family environmental risk in relation to a hierarchical model of externalizing disorders (EXTs) by evaluating for gene-environment interplay in these relationships. The associations between parent-child relationship quality (conflict, bonding, and management) and substance-specific adolescent family environments (parental/sibling tobacco/alcohol use) in relation to young adult EXTs (age ∼22 years nicotine, alcohol, and other drug dependence; antisocial and risky sexual behavior) were evaluated.METHOD: The sample included 533 adopted offspring and 323 biological offspring. Because adopted youth do not share genes with their parents, a significant association between parent-child relationship quality and EXTs would provide evidence against passive gene-environment correlation (rGE). Significant associations between parental tobacco/alcohol use in relation to offspring nicotine/alcohol dependence in the adopted offspring support common environmental influence. Significant associations detected for the biological offspring only suggest common genetic influence.RESULTS: For both adoptive and biological offspring, there was a significant association between parent-child relationship quality and EXTs. Parental tobacco/alcohol use was unrelated to EXTs. Sibling tobacco/alcohol use was related to EXTs, but only for the biological siblings. Parental tobacco use was associated with the residual variance in nicotine dependence in adopted offspring.CONCLUSIONS: Findings replicate a long-term influence of adolescent parent-child relationship quality on adult EXTs. Findings extend previous research by providing evidence against passive rGE in this association. The association between parental tobacco use and adult nicotine dependence appears to be environmentally mediated, but caution is warranted as we found this relationship only for adopted youth.

AB - OBJECTIVE: This study builds on previous work delineating a hierarchical model of family environmental risk in relation to a hierarchical model of externalizing disorders (EXTs) by evaluating for gene-environment interplay in these relationships. The associations between parent-child relationship quality (conflict, bonding, and management) and substance-specific adolescent family environments (parental/sibling tobacco/alcohol use) in relation to young adult EXTs (age ∼22 years nicotine, alcohol, and other drug dependence; antisocial and risky sexual behavior) were evaluated.METHOD: The sample included 533 adopted offspring and 323 biological offspring. Because adopted youth do not share genes with their parents, a significant association between parent-child relationship quality and EXTs would provide evidence against passive gene-environment correlation (rGE). Significant associations between parental tobacco/alcohol use in relation to offspring nicotine/alcohol dependence in the adopted offspring support common environmental influence. Significant associations detected for the biological offspring only suggest common genetic influence.RESULTS: For both adoptive and biological offspring, there was a significant association between parent-child relationship quality and EXTs. Parental tobacco/alcohol use was unrelated to EXTs. Sibling tobacco/alcohol use was related to EXTs, but only for the biological siblings. Parental tobacco use was associated with the residual variance in nicotine dependence in adopted offspring.CONCLUSIONS: Findings replicate a long-term influence of adolescent parent-child relationship quality on adult EXTs. Findings extend previous research by providing evidence against passive rGE in this association. The association between parental tobacco use and adult nicotine dependence appears to be environmentally mediated, but caution is warranted as we found this relationship only for adopted youth.

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General and specific predictors of nicotine and alcohol dependence in early adulthood: genetic and environmental influences

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