en
Scientific article
English

Structure and predictive power of intraindividual variability in heath and activity measures

Published inSwiss journal of psychology, vol. 61, no. 2, p. 73-83
Publication date2002
Abstract

Intraindividual variability has been shown in many studies to be well structured over time and capable of predicting a wide range of behaviors. This study provides analyses of weekly variations of health and activity messurements in a sample (N = 52) of elderly persons (mean age = 77.5, SD = 7.2). The three main goals and results entailed: 1. Assessing the reliable nature of a health and an activity factor through a metric invariant confirmatory factor model; 2. Assessing the independence of intraindividual variability from level information and showing that the amount of intra-person variability during the first and second half of data collection correlate very highly; 3. Showing that intraindividual variability information of health and activity scores is superior to level information in predicting mortality.

Keywords
  • Activité
  • Mortalité
  • Santé autoévaluée
  • Variabilité intraindividuelle
Citation (ISO format)
GHISLETTA, Paolo et al. Structure and predictive power of intraindividual variability in heath and activity measures. In: Swiss journal of psychology, 2002, vol. 61, n° 2, p. 73–83.
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Article (Published version)
accessLevelRestricted
Identifiers
  • PID : unige:1551
ISSN of the journal1421-0185
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