Sibling effects on substance use in adolescence: Social contagion and genetic relatedness

Richard Rende, Cheryl Slomkowski, Elizabeth Lloyd-Richardson, Raymond Niaura

Research output: Contribution to journalArticle

Abstract

Prior research on sibling contagion for substance use has not attended to individual differences in the sibling relationship that may be influenced by genetic similarity. The authors utilizing data on a sample of twin and nontwin siblings participating in the National Longitudinal Study of Adolescent Health (Add Health). Although monozygotic twins had the highest levels of sibling contact and mutual friendships, the pattern of results for other sibling types were not consistent with genetic models, and biometric analysis indicated that shared environmental factors influenced these sibling relationship features. Application of DeFries-Fulker regression models provided evidence that sibling contact and mutual friendships represent a source of social contagion for adolescent smoking and drinking independent of genetic relatedness. The results are interpreted using a social contagion framework and contrasted with other competing models such as those focused on the equal environments assumption and niche selection.

Original languageEnglish (US)
Pages (from-to)611-618
Number of pages8
JournalJournal of Family Psychology
Volume19
Issue number4
DOIs
StatePublished - Dec 2005

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Siblings
National Longitudinal Study of Adolescent Health
Monozygotic Twins
Genetic Models
Individuality
Smoking
Health
Research

Keywords

  • Adolescence
  • Genes
  • Shared environment
  • Siblings
  • Substance use

ASJC Scopus subject areas

  • Psychology(all)

Cite this

Sibling effects on substance use in adolescence : Social contagion and genetic relatedness. / Rende, Richard; Slomkowski, Cheryl; Lloyd-Richardson, Elizabeth; Niaura, Raymond.

In: Journal of Family Psychology, Vol. 19, No. 4, 12.2005, p. 611-618.

Research output: Contribution to journalArticle

Rende, Richard ; Slomkowski, Cheryl ; Lloyd-Richardson, Elizabeth ; Niaura, Raymond. / Sibling effects on substance use in adolescence : Social contagion and genetic relatedness. In: Journal of Family Psychology. 2005 ; Vol. 19, No. 4. pp. 611-618.
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