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Moderate or high physical activity lowers the risk of cognitive impairment in older people

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Question

Question

Is physical activity associated with preventing or delaying cognitive decline in the older people?

Population

3903 people aged ≥55 years identified from a statutory health insurance fund database.

Setting

General community, Bavaria, Germany; enrolment 2001–2003.

Prognostic factors

Physical activity at baseline, classed as no activity, moderate activity (activity <3 times a week) and high activity (activity ≥ 3 times a week). Activities included were strenuous activities such as walking, hiking, bicycling, swimming, gardening or other exercise.

Outcomes

Cognitive function assessed using the 6CIT, a shortened form of the Blessed Information Memory Concentration Scale (http://www.strokecenter.org/trials/scales/somct.html). The 6CIT includes six questions; scores of ≤7 are considered normal and those >7 indicate cognitive impairment. Candidate covariates in multivariate analyses included age, body mass index, gender, smoking, history of ischemic heart disease and/or stroke, hypertension, diabetes, hyperlipidaemia, …

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