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Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/74529

Type: Journal article
Title: Social networks and memory over 15 years of followup in a cohort of older Australians: Results from the Australian Longitudinal Study of Ageing
Author: Giles, L.
Anstey, K.
Walker, R.
Luszcz, M.
Citation: Journal of Aging Research, 2012; 2012:1-7
Publisher: Hindawi Publishing Corporation
Issue Date: 2012
ISSN: 2090-2204
2090-2212
Statement of
Responsibility: 
Lynne C. Giles, Kaarin J. Anstey, Ruth B. Walker and Mary A. Luszcz
Abstract: The purpose was to examine the relationship between different types of social networks and memory over 15 years of followup in a large cohort of older Australians who were cognitively intact at study baseline. Our specific aims were to investigate whether social networks were associated with memory, determine if different types of social networks had different relationships with memory, and examine if changes in memory over time differed according to types of social networks. We used five waves of data from the Australian Longitudinal Study of Ageing, and followed 706 participants with an average age of 78.6 years (SD 5.7) at baseline. The relationships between five types of social networks and changes in memory were assessed. The results suggested a gradient of effect; participants in the upper tertile of friends or overall social networks had better memory scores than those in the mid tertile, who in turn had better memory scores than participants in the lower tertile. There was evidence of a linear, but not quadratic, effect of time on memory, and an interaction between friends’ social networks and time was apparent. Findings are discussed with respect to mechanisms that might explain the observed relationships between social networks and memory.
Description: Extent: 7p.
Rights: Copyright © 2012 Lynne C. Giles et al. This is an open access article distributed under the Creative Commons Attribution License,which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
RMID: 0020122551
DOI: 10.1155/2012/856048
Appears in Collections:Public Health publications
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