Life course socioeconomic status and the decline in information processing speed in late life

Social Science & Medicine
Roger T StaffLawrence J Whalley

Abstract

Low socio-economic status is a recognised composite measure made up of income, education and occupational social class, which is a risk factor for poor physical and mental health and late life dementia. Here, we distinguish between components of childhood socioeconomic status to explore their separate influences of childhood and adult occupational social class (OSC), childhood mental ability and education on late life cognitive ability and change trajectories. Cognitive data were collected longitudinally from a sub-sample (N = 478) of the Aberdeen 1936 birth cohort tested on up to 5 occasions between ages 63 and 78 years. Age 11 mental ability scores were available for all participants. We used longitudinal multi-level linear modelling to explore models of cognitive change that distinguished between the possible influences of parental occupation, participants' own occupation as adults, duration of formal education, childhood mental ability and the participants' own occupation. We showed that parental occupation and the participants' own occupation are independently associated with cognition in late life, but do not influence the trajectory of cognitive change. However, when models include childhood mental ability and education ...Continue Reading

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Citations

Feb 9, 2017·Sociology of Health & Illness·Ian Rees Jones
May 1, 2019·The Journals of Gerontology. Series B, Psychological Sciences and Social Sciences·Sojung ParkYoonsun Han
May 21, 2020·International Journal of Environmental Research and Public Health·Lei Yang, Zhenbo Wang
Feb 26, 2019·Proceedings of the National Academy of Sciences of the United States of America·Marja J AartsenStéphane Cullati
Nov 2, 2018·European Journal of Population = Revue Européenne De Démographie·Collin F PayneHans-Peter Kohler

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