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Neighborhood Social Environment and ...

Millar, Roberto J.

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Neighborhood Social Environment and Lower Extremity Function in Older Adults.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Neighborhood Social Environment and Lower Extremity Function in Older Adults./
作者:	Millar, Roberto J.
出版者:	Ann Arbor : ProQuest Dissertations & Theses, : 2020,
面頁冊數:	152 p.
附註:	Source: Dissertations Abstracts International, Volume: 82-05, Section: B.
Contained By:	Dissertations Abstracts International82-05B.
標題:	Public health. -
電子資源:	https://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=28026238
ISBN:	9798691212918

Neighborhood Social Environment and Lower Extremity Function in Older Adults.
Millar, Roberto J.

Neighborhood Social Environment and Lower Extremity Function in Older Adults. - Ann Arbor : ProQuest Dissertations & Theses, 2020 - 152 p.

Source: Dissertations Abstracts International, Volume: 82-05, Section: B.

Thesis (Ph.D.)--University of Maryland, Baltimore County, 2020.

This item must not be sold to any third party vendors.

Background: Research examining the linkages between neighborhood social environments and physical function in older adults is scarce. In order to reduce functional health disparities in older adulthood, it is critical to understand the pathways by which neighborhood environments influence physical function, and whether there are differences in these pathways by race/ethnicity and economic status. Objective: The objectives of this research were to (1) examine the associations between the neighborhood social environment (i.e., social cohesion, disorder) and lower extremity function; (2) determine whether physical activity and depression symptoms were potential pathways linking the social environment to physical function; and (3) assess whether race/ethnicity and economic vulnerability moderated these potential pathways. Methods: Data came from wave seven (2017) of the National Health and Aging Trends Study (NHATS). The sample was composed of 3,934 community-dwelling Medicare beneficiaries (Non-Hispanic White (n =2,906), African American (n =781), and Hispanic (n =247)). The analysis for objective one was conducted using ordinary least squares (OLS) regression. Analyses for objectives two and three were conducted using the PROCESS macro, an OLS path analysis modeling tool for estimating mediation and moderated mediation. Results: There was a positive direct association between neighborhood social cohesion and function, while disorder was not directly associated with function. Social cohesion was also indirectly related to function through physical activity and depression symptoms; greater social cohesion was associated with higher levels of physical activity and with less depression symptoms, and both were linked to better function. Neighborhood disorder was only associated with function indirectly through physical activity; high disorder was associated with lower levels of physical activity. There was no evidence of significant differences in pathways by race/ethnicity. The indirect pathways between disorder and function differed by economic vulnerability; among older adults with high economic vulnerability, disorder was associated with poorer function via depressive symptoms, while for those with low economic vulnerability, disorder was associated with poorer function via physical activity. Conclusion: Findings highlight the associations between the neighborhood social environment and lower extremity function and bring attention to differences in the potential pathways linking the two. Policies and programs could strive towards optimizing neighborhood social environments in order to promote functional health in older adulthood.

ISBN: 9798691212918Subjects--Topical Terms:

534748
Public health.
Subjects--Index Terms:

Neighborhood social environment

Neighborhood Social Environment and Lower Extremity Function in Older Adults.
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300 $a 152 p.
500 $a Source: Dissertations Abstracts International, Volume: 82-05, Section: B.
500 $a Advisor: Lehning, Amanda.
502 $a Thesis (Ph.D.)--University of Maryland, Baltimore County, 2020.
506 $a This item must not be sold to any third party vendors.
520 $a Background: Research examining the linkages between neighborhood social environments and physical function in older adults is scarce. In order to reduce functional health disparities in older adulthood, it is critical to understand the pathways by which neighborhood environments influence physical function, and whether there are differences in these pathways by race/ethnicity and economic status. Objective: The objectives of this research were to (1) examine the associations between the neighborhood social environment (i.e., social cohesion, disorder) and lower extremity function; (2) determine whether physical activity and depression symptoms were potential pathways linking the social environment to physical function; and (3) assess whether race/ethnicity and economic vulnerability moderated these potential pathways. Methods: Data came from wave seven (2017) of the National Health and Aging Trends Study (NHATS). The sample was composed of 3,934 community-dwelling Medicare beneficiaries (Non-Hispanic White (n =2,906), African American (n =781), and Hispanic (n =247)). The analysis for objective one was conducted using ordinary least squares (OLS) regression. Analyses for objectives two and three were conducted using the PROCESS macro, an OLS path analysis modeling tool for estimating mediation and moderated mediation. Results: There was a positive direct association between neighborhood social cohesion and function, while disorder was not directly associated with function. Social cohesion was also indirectly related to function through physical activity and depression symptoms; greater social cohesion was associated with higher levels of physical activity and with less depression symptoms, and both were linked to better function. Neighborhood disorder was only associated with function indirectly through physical activity; high disorder was associated with lower levels of physical activity. There was no evidence of significant differences in pathways by race/ethnicity. The indirect pathways between disorder and function differed by economic vulnerability; among older adults with high economic vulnerability, disorder was associated with poorer function via depressive symptoms, while for those with low economic vulnerability, disorder was associated with poorer function via physical activity. Conclusion: Findings highlight the associations between the neighborhood social environment and lower extremity function and bring attention to differences in the potential pathways linking the two. Policies and programs could strive towards optimizing neighborhood social environments in order to promote functional health in older adulthood.
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