Measuring Physical Activity in Older Adults with and without Early Stage Alzheimer’s Disease
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Issue Date
2013-06Author
Watts, Amber
Vidoni, Eric D.
Loskutova, Natalia Y.
Johnson, David K.
Burns, Jeffrey M.
Publisher
Taylor & Francis
Type
Article
Article Version
Scholarly/refereed, author accepted manuscript
Metadata
Show full item recordAbstract
We compared subjective reports of physical activity with objective measures of physical fitness including cardiorespiratory capacity, body composition, and physical performance in 146 older adults with and without early stage Alzheimer’s disease (ESAD). Respondents reported primarily unstructured and low-intensity activities, including walking and housework. Individuals with ESAD participated in fewer and lower intensity physical activities than those without ESAD. In those without ESAD, housework was related to lower body mass index, leisure walking was related to faster speed on a timed walking test, and participation in sports was related to higher peak oxygen intake. In individuals with ESAD, reported physical activities did not predict any of the physical fitness, body composition, or physical performance measures. We conclude that measures of physical activity require expansion of unstructured and low intensity activities to improve sensitivity in sedentary populations, especially in older adults with ESAD.
Description
This is the author's accepted manuscript. The original is available at http://www.tandfonline.com/doi/abs/10.1080/07317115.2013.788116#.VvMAj_krK70
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Citation
Watts, Amber S., Eric D. Vidoni, Natalia Loskutova, David K. Johnson, and Jeffrey M. Burns. "Measuring Physical Activity in Older Adults With and Without Early Stage Alzheimer's Disease." Clinical Gerontologist 36.4 (2013): 356-74. http://dx.doi.org/10.1080/07317115.2013.788116
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