The relationship of functional limitations to disability and the moderating effects of psychological attributes in community-dwelling older persons

Gertrudis I. J. M. Kempen, Marieke J. G. van Heuvelen, Eric van Sonderen, Rob H. S. van den Brink, Aart C. Kooijman and Johan Ormel

Social Science & Medicine, 1999, vol. 48, issue 9, 1161-1172

Abstract: This paper examines the moderating effects of three psychological attributes (neuroticism, self-efficacy expectancies and mastery) on the association between functional limitations (motor and cognitive limitation, vision and hearing loss) and disability ((instrumental) activities of daily living, role function and social function) in a sample of 624 community-dwelling older persons. In contrast to our hypothesis, we did not find any evidence for interaction effects. This means that low levels of psychological resources do not exacerbate the effect of functional limitation on disability in community-dwelling older persons. We found significant unique contributions of the psychological attributes to disability. Even when all three psychological attributes were taken into account, neuroticism and mastery had unique effects on social and role function, and self-efficacy expectancies had unique effects on (instrumental) activities of daily living. We conclude that the effects of functional limitation and psychological attributes on disability can be considered as additive. Older persons with less psychological resources are particularly at risk in developing disability.

Keywords: Functional; limitation; Disability; Psychological; attributes; Aging (search for similar items in EconPapers)
Date: 1999
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