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The relationship between physical activity and cognition in older Latinos

TitleThe relationship between physical activity and cognition in older Latinos
Publication TypeJournal Article
Year of Publication2012
AuthorsWilbur, J, Marquez, DX, Fogg, L, Wilson, RS, Staffileno, BA, Hoyem, RL, Morris, MC, Bustamante, EE, Manning, AF
JournalJ Gerontol B Psychol Sci Soc SciJ Gerontol B Psychol Sci Soc Sci
Date PublishedSep
ISBN Number1758-5368 (Electronic)<br/>1079-5014 (Linking)
Accession Number22321957
KeywordsAged, Aged, 80 and Over, Aging/ psychology, Chicago, Cognition Disorders/diagnosis/ ethnology/ therapy, Cross-Sectional Studies, Disease Progression, Exercise/ psychology, Female, Follow-Up Studies, Hispanic Americans/ psychology, Humans, Male, Mental Status Schedule/ statistics & numerical data, Middle Aged, Motor Activity, Psychometrics, Time Factors
AbstractOBJECTIVES: The purpose of this study was to explore the relationship between minutes spent participating in light and moderate/vigorous-intensity physical activity (PA) and cognition in older Latinos, controlling for demographics, chronic health problems, and acculturation. METHOD: A cross-sectional study design was used. Participants were self-identified Latinos, without disability, who had a score less than 14 on a 21-point Mini-Mental State Examination. Participants were recruited from predominantly Latino communities in Chicago at health fairs, senior centers, and community centers. PA was measured with an accelerometer, worn for 7 days. Episodic memory and executive function (inference control, inattention, and word fluency) were measured with validated cognitive tests. RESULTS: Participants were 174 Latino men (n = 46) and women (n = 128) aged 50-84 years (M = 66 years). After adjusting for control variables (demographics, chronic health problems) and other cognitive measures, regression analyses revealed that minutes per day of light-intensity PA (r = -.51), moderate/vigorous PA (r = -.56), and counts per minute (r=-.62) were negatively associated with lower word fluency. DISCUSSION: Findings suggest that the cognitive benefits of both light-intensity PA and moderate/vigorous PA may be domain-specific.