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Association of Social Support and Cognitive Aging Modified by Sex and Relationship Type: A Prospective Investigation in the English Longitudinal Study of Ageing

Liao, J; Scholes, S; (2017) Association of Social Support and Cognitive Aging Modified by Sex and Relationship Type: A Prospective Investigation in the English Longitudinal Study of Ageing. American Journal of Epidemiology 10.1093/aje/kwx142. (In press). Green open access

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Abstract

We examined whether between-person differences (PM) and within-person change in levels of social support were associated with age-related cognitive decline, and whether these associations varied by sex and by relationship type. Executive function and memory scores over eight years (2002-2010) were analysed by mixture models (10,241 adults’ aged≥50 years) in the English Longitudinal Study of Ageing. PM and within-person change in positive social support and negative social support were independently associated with cognitive decline in different ways by sex and relationship type. Among men, higher-than-others positive social support from spouse/partner was associated with slower cognitive decline (executive function: βPM*time-in-study = 0.005, 95%CI: 0.001, 0.010; memory: βPM*time-in-study = 0.006, 95%CI 0.000, 0.012); whereas high negative social support from all relationship types was associated with accelerated decline in executive function (all-relationships-combined: βPM* time-in-study = -0.005, 95%CI: -0.008, -0.002). For women, higher-than-others positive social support from children (β=0.037, 95%CI: 0.010, 0.064) and friends (β=0.115, 95%CI: 0.081, 0.150) but not from spouse/partner (β=-0.034, 95%CI: -0.059, -0.009) or extended family (β=-0.035, 95%CI: -0.064, -0.006) was associated with higher executive function. Associations between social support and age-related cognitive decline vary across different relationship types for men and women.

Type: Article
Title: Association of Social Support and Cognitive Aging Modified by Sex and Relationship Type: A Prospective Investigation in the English Longitudinal Study of Ageing
Open access status: An open access version is available from UCL Discovery
DOI: 10.1093/aje/kwx142
Publisher version: http://doi.org/10.1093/aje/kwx142
Language: English
Additional information: Published by Oxford University Press on behalf of the Johns Hopkins Bloomberg School of Public Health. This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0), which permits non-commercial re-use, distribution, and reproduction in any medium, provided the original work is properly cited. For commercial re-use, please contact journalpermissions@oup.com.
Keywords: Cognitive aging; longitudinal study; sex-specificity; social network; social support
UCL classification: UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Pop Health Sciences > Institute of Epidemiology and Health
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Pop Health Sciences > Institute of Epidemiology and Health > Epidemiology and Public Health
URI: http://discovery.ucl.ac.uk/id/eprint/1563625
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