Aging and the structure and long-term stability of the internalizing spectrum of personality and psychopathology

Nicholas R. Eaton, Robert Krueger, Thomas F. Oltmanns

Research output: Contribution to journalArticlepeer-review

55 Scopus citations

Abstract

Structural psychopathology research has identified two broad factors-internalizing and externalizing-that account for comorbidity among many common mental disorders. Evaluating the utility of these factors for nosology, research, and treatment entails expanding beyond a cross-sectional understanding to how these factors evolve over time. We tested factorial invariance of internalizing in three age cohort groups-35 years and under (n = 1,729), 36-50 years (n = 2,719), and over 50 years (n = 2,601)-as well as the long-term stability of internalizing within individuals. Internalizing showed a notable degree of invariance between cohorts and within cohorts over time; long-term internalizing stability was equivalently moderate-to-high in each cohort.

Original languageEnglish (US)
Pages (from-to)987-993
Number of pages7
JournalPsychology and aging
Volume26
Issue number4
DOIs
StatePublished - Dec 2011

Keywords

  • Aging
  • Internalizing
  • Invariance
  • Neuroticism
  • Psychopathology
  • Stability

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