Functional social support and cognitive function in middle- and older-aged adults: A systematic review of cross-sectional and cohort studies

Author:

Mogic Lana1,Rutter Emily C1,Tyas Suzanne L1,Maxwell Colleen J1,O’Connell Megan E2,Oremus Mark1ORCID

Affiliation:

1. University of Waterloo

2. University of Saskatchewan

Abstract

Abstract Background Intact cognitive function is crucial for healthy aging. Functional social support is thought to protect against cognitive decline. We conducted a systematic review to investigate the association between functional social support and cognitive function in middle- and older-aged adults. Methods Articles were obtained from PubMed, PsycINFO, Sociological Abstracts, CINAHL and Scopus. Eligible articles considered any form of functional social support and cognitive outcome. We narratively synthesized extracted data by following the Synthesis Without Meta-Analysis (SWiM) guidelines and assessed risk of bias using the Newcastle-Ottawa Scale (NOS). Results Eighty-five articles with mostly low risk-of-bias were included in the review. In general, functional social support—particularly overall and emotional support—was positively associated with cognitive function in middle- and older-aged adults. However, these associations were not all statistically significant. Substantial heterogeneity existed in the types of exposures and outcomes evaluated in the articles, as well as in the specific tools used to measure exposures and outcomes. Conclusions Our review highlights the role of functional social support in the preservation of healthy cognition in aging populations. This finding underscores the importance of maintaining substantive social connections in middle and later life. Systematic review registration Rutter EC, Tyas SL, Maxwell CJ, Law J, O'Connell ME, Konnert CA, Oremus M. Association between functional social support and cognitive function in middle-aged and older adults: a protocol for a systematic review. BMJ Open;10(4):e037301. doi: 10.1136/bmjopen-2020-037301

Publisher

Research Square Platform LLC

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