Genetic and Environmental Effects on Daily Life Stressors: More Evidence for Greater Variation in Later Life

Susan Turk Charles, David M. Almeida

Research output: Contribution to journalArticlepeer-review

26 Scopus citations

Abstract

People vary in the occurrence and perceived severity of stressors experienced in their daily lives. In the current study, the authors examined the extent to which individual differences in these relatively minor occurrences are determined by genetic endowment as well as environmental influences and how these effects vary by age. Identical (npairs= 111) and fraternal (npairs= 99) twin adults ranging from 25 to 73 years old reported the occurrence and severity of their daily stressors on 8 consecutive evenings. Both genetic and unique environmental effects accounted for the variance in stressor occurrence, whereas shared family and unique environmental effects accounted for the variance in the perceived severity of these stressors. In addition, the influence of unique environment on perceived stress exerted a stronger influence among the older adults than the younger adults.

Original languageEnglish (US)
Pages (from-to)331-340
Number of pages10
JournalPsychology and aging
Volume22
Issue number2
DOIs
StatePublished - Jun 1 2007

All Science Journal Classification (ASJC) codes

  • Social Psychology
  • Aging
  • Geriatrics and Gerontology

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