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Purpose: Mobility disability is associated with poor lower body function among older adults. This study examines whether specific types of neighborhood characteristics moderate that association., Design and Methods: This study is based on a cross-sectional sample of 884 people aged ≥ 65 years identified through service organizations in Alameda County, CA; Cook County, IL; Allegheny County, PA; and Wake and Durham counties, NC. In-person interviews focus on neighborhood characteristics, physical and cognitive function, depression, and walking. Functional capacity is tested using objective measures of lower body strength, balance, and walking speed. Mobility disability, the main study outcome, is measured as self-reported level of difficulty in walking 2-3 neighborhood blocks. Estimates of main and interactive effects are derived from logistic regression models., Results: Among older adults with poor lower body function, those who report less proximity to goods and services and barriers to walking report more mobility disability than other older adults. In contrast, among older adults with good lower body function, there is a low prevalence of mobility disability and little association between perceptions of the neighborhood and mobility disability., Implications: In addition to more refined longitudinal studies, this research provides a foundation for innovative place-based rehabilitation and hospital discharge programs for older adults newly diagnosed and treated for chronic health conditions., (© The Author 2014. Published by Oxford University Press on behalf of The Gerontological Society of America. All rights reserved. For permissions, please e-mail: journals.permissions@oup.com.)

Purpose: This cross-sectional study takes a unique look at the association between patterns of walking and cognitive functioning by examining whether older adults with mild cognitive impairment differ in terms of the community settings where they walk and the frequency, intensity, or duration of walking., Design and Methods: The sample was based on interviews with 884 adults aged 65 years and older, residing in 4 locations across the United States: Alameda County, California; Cook County, Illinois; Allegheny County, Pennsylvania; and Durham/Wake Counties, North Carolina. Cognitive function was assessed using a modified Mini-Mental State Examination (MMSE) and the Mental Alternation Test (MAT). Multiple linear regressions were conducted between self-reported walking activities and cognitive measures, controlling for psychosocial, demographic, health status, functional performance, and neighborhood characteristics., Results: The community setting where people walk and the intensity of walking in their neighborhood were significantly associated with cognitive status. After controlling for individual and neighborhood characteristics, better MAT scores were significantly associated with brisk walking and walking fewer times per week. Compared with the MMSE, the MAT was more likely to be associated with patterns of walking among older adults. Older adults with lower MAT scores were more likely to walk in indoor shopping malls and less in parks, whereas those with higher cognitive function scores on the MMSE were less likely to walk in indoor gyms., Implications: This investigation provides insight into the extent to which walking is associated with preservation of cognitive health, setting the stage for future longitudinal studies and community-based interventions.