Journals of Gerontology Series B: Psychological Sciences and Social Sciences
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The Journals of Gerontology Series B: Psychological Sciences and Social Sciences 56:S261-S265 (2001)
© 2001 The Gerontological Society of America

ORIGINAL ARTICLE

Self-Efficacy and the Progression of Functional Limitations and Self-Reported Disability in Older Adults With Knee Pain

W. Jack Rejeskia, Michael E. Millerb, Capri Foya, Steve Messiera and Stephen Rappc

a Department of Health and Exercise Science, Wake Forest University, Winston-Salem, North Carolina
b Departments of Public Health Science, Wake Forest School of Medicine, Winston-Salem, North Carolina
c Departments of Psychiatry, Wake Forest School of Medicine, Winston-Salem, North Carolina

W. Jack Rejeski, Box 7868, Department of HES, Wake Forest University, Winston-Salem, NC 27109 E-mail: rejeski{at}wfu.edu.

Abstract

Objectives. The prospective relationships between self-efficacy beliefs, in conjunction with measures of knee pain and knee strength, and subsequent decline in both physical performance and self-reported disability among older adults with knee pain were examined.

Methods. In this prospective epidemiological trial, 480 men and women aged 65 years and older who had knee pain on most days of the week and difficulty with daily activity were followed for 30 months.

Results. There was a significant interaction of baseline self-efficacy with baseline knee strength in predicting both self-reported disability and stair climb performance. Participants who had low self-efficacy and low strength at baseline had the largest 30-month decline in these outcomes.

Discussion. These data underscore the important role that self-efficacy beliefs play in understanding functional decline with chronic disease and aging. Self-efficacy beliefs appear to be most important to functional decline in older adults when they are challenged by muscular weakness in the lower extremities.




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