A Latent Growth Curve Analysis of Late-Life Sensory and Cognitive Function over 8 Years: Evidence for Specific and Common Factors Underlying Change

Kaarin J. Anstey, Scott M. Hofer, Mary A. Luszcz

Research output: Contribution to journalReview article

113 Scopus citations

Abstract

Correlations among rates of change in sensory and cognitive functioning in adulthood were evaluated. Measures of Vision, Hearing, Memory, Speed and Verbal ability were obtained in 1992, 1994, and 2000 in the Australian Longitudinal Study of Aging (N = 2,087 at baseline). Data from 1,823 participants who undertook at least 1 clinical assessment were analyzed using latent growth curve models. A significant moderate-sized association between rates of change in Memory and Vision was found. This remained after statistically controlling for the effects of age, gender, education, self-rated health, medical conditions, and depressive symptoms. Rate of change in Hearing was weakly associated with rate of change in Memory. The results support a theory incorporating a major role for unique factors in addition to common factors underlying sensory and cognitive change in old age.

Original languageEnglish (US)
Pages (from-to)714-726
Number of pages13
JournalPsychology and Aging
Volume18
Issue number4
DOIs
StatePublished - Dec 1 2003

ASJC Scopus subject areas

  • Social Psychology
  • Aging
  • Geriatrics and Gerontology

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