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- W1906756887 abstract "Background: OLD may increase risk of cognitive deficits. Objective: Examine the role of physical inactivity in cognitive impairment (CI). Methods: Members of a population-based cohort with self-reported physician-diagnosed COPD, emphysema, or chronic bronchitis (n=140; 63% female, mean age 67 yrs, 19% current smokers) completed baseline (T1) and 2-year follow-up (T2) in-person assessments that included spirometry; completion of the CHAMPS Questionnaire to estimate energy expenditure in vigorous/moderate intensity activities (M/V) and overall; and a 10-test cognitive function battery. We defined physical inactivity as no expenditure in M/V activities. We transformed cognitive test scores to age-adjusted z-scores and defined CI as z-scores ≤-1.5 on ≥33% of cognitive tests. Logistic regression tested relationships between physical inactivity and CI at both T1 and T2, controlling for sex, education, smoking, comorbid conditions, low O2 saturation, depressive symptoms, and FEV1% predicted. Results: At T1, 31% were physically inactive. CI was more frequent among inactive subjects (27% vs. 12%; adjusting for covariates: OR=9.8 [95% CI 1.8, 53.1]). Adjusting for covariates plus T1 CI, inactive subjects were more likely to be cognitively impaired at T2 (OR=4.4 [1.2, 15.8]). Among 120 subjects not impaired at T1, inactive subjects were more likely to develop CI at T2 (26% vs. 15%; OR=6.0 [1.5, 24.1]). Conclusion: Physical inactivity is a significant risk factor for presence and incidence of cognitive impairment among adults with OLD. Clinical relevance: In OLD, participation in a program of even moderate physical activity may offer protection from cognitive impairment. Support: NIH R01 HL067438" @default.
- W1906756887 created "2016-06-24" @default.
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- W1906756887 date "2011-09-01" @default.
- W1906756887 modified "2023-09-26" @default.
- W1906756887 title "Impact of physical inactivity on cognitive function in adults with obstructive lung disease (OLD)" @default.
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