Document Type

Article

Version Deposited

Accepted for publication (PostPrint)

Publication Date

12-1-2009

Publication Title

Psychology and Aging

DOI

10.1037/a0017368

Abstract

We examined the extent to which a 2-factor model of affect explains how the burdens and satisfactions experienced by caregivers influence their own well-being and that of the spouses for whom they provide care. Using data from 315 older patients with end-stage renal disease and their spouses, we extended tests of Lawton et al.'s (1991) 2-factor model both longitudinally and dyadically. Multilevel modeling analyses partially support the 2-factor model. Consistent with the model, mean caregiver burden has a stronger effect on both caregiver and patient negative affect than does mean caregiver satisfaction. Contrary to the model, mean caregiver satisfaction has an effect on caregiver positive affect that is similar to that of mean caregiver burden, and it has no effect on patient positive affect. Time-varying effects of caregiver burden are consistent with the 2-factor model for caregiver but not patient negative affect. Time-varying effects of caregiver satisfaction are not consistent with the 2-factor model for either patients or caregivers. Results highlight the powerful role of caregiver burden for both caregivers and patients and suggest important new directions for conducting health-related research with late-life marital dyads.

Comments

Publisher's Disclaimer: The following manuscript is the final accepted manuscript. It has not been subjected to the final copyediting,fact-checking, and proofreading required for formal publication. It is not the definitive, publisher-authenticated version. The AmericanPsychological Association and its Council of Editors disclaim any responsibility or liabilities for errors or omissions of this manuscriptversion, any version derived from this manuscript by NIH, or other third parties. The published version is available atwww.apa.org/journals/pag

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