Abstract
Background:
Available evidence on the association of physical activity (PA) or sedentary behavior with cognitive decline is inconclusive.
Objective:
To assess the association between an active lifestyle score and leisure-time physical activity (LTPA) and changes in cognitive function in the Seguimiento Universidad de Navarra (SUN) prospective cohort.
Methods:
Cognitive function was evaluated in a subsample of 806 participants of the SUN cohort study using the validated Telephone Interview for Cognitive Status-modified (STICS-m) questionnaire at baseline and after 6 years. LTPA was evaluated with a previously validated 17-item self-administered questionnaire and with information on sedentary lifestyles. We also calculated a multidimensional 8-item PA score. Multivariable linear regression analysis evaluated the association between PA and changes in cognitive function and its interaction by
Results:
Mean age of participants was 66 (SD 5.3) years and 69.7% were male. When stratifying by
Conclusion:
The results of the present study suggest that an active lifestyle is associated with a better status of cognitive function over time only among
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