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Physical activity, including walking, and cognitive function in older women

Context: Physical activity may help maintain cognitive function in older adults.

Objective: To examine the relation of long-term regular physical activity, including walking, to cognitive function.

Design: Women reported participation in leisure-time physical activities on biennial mailed questionnaires beginning in 1986. We assessed long-term activity by averaging energy expenditures from questionnaires in 1986 through participants' baseline cognitive assessments (1995 to 2001). We used linear regression to estimate adjusted mean differences in baseline cognitive performance and cognitive decline over 2 years, across levels of physical activity and walking.

Setting and Participants: Nurses' Health Study, including 18766 US women aged 70 to 81 years.

Main Outcome Measure: Validated telephone assessments of cognition administered twice approximately 2 years apart (1995 to 2001 and 1997 to 2003), including tests of general cognition, verbal memory, category fluency, and attention.

Conclusion: Long-term regular physical activity, including walking, is associated with significantly better cognitive function and less cognitive decline in older women.

Uitgever(s): American Medical Association,

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Auteur(s)

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Jennifer Weuve
Jae Hee Kang
JoAnn Manson
Monique Breteler
James Ware
Francine Grodstein

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cognitieve stoornissen
lichaamsbeweging
ouderen
vrouwen
wandelen

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