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The Association of Levels of and Decline in Grip Strength in Old Age with Trajectories of Life Course Occupational Position
Stockholms universitet, Samhällsvetenskapliga fakulteten, Centrum för forskning om äldre och åldrande (ARC), (tills m KI).
Rekke forfattare: 3
2016 (engelsk)Inngår i: PLoS ONE, ISSN 1932-6203, E-ISSN 1932-6203, Vol. 11, nr 5, e0155954Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

Background The study of the influence of life course occupational position (OP) on health in old age demands analysis of time patterns in both OP and health. We study associations between life course time patterns of OP and decline in grip strength in old age. Methods We analyze 5 waves from the Survey of Health Ageing and Retirement in Europe (n = 5108, ages 65-90). We use a pattern-mixture latent growth model to predict the level and decline in grip strength in old age by trajectory of life course OP. We extend and generalize the structured regression approach to establish the explanatory power of different life course models for both the level and decline of grip strength. Results Grip strength declined linearly by 0.70 kg (95% CI -0.74;-0.66) for men and 0.42 kg (95% CI -0.45;-0.39) for women per year. The level of men's grip strength can best be explained by a critical period during midlife, with those exposed to low OP during this period having 1.67 kg (95% CI -2.33;-1.00) less grip strength. These differences remain constant over age. For women, no association between OP and levels of or decline in grip strength was found. Conclusions Men's OP in midlife seems to be a critical period for the level of grip strength in old age. Inequalities remain constant over age. The integration of the structured regression approach and latent growth modelling offers new possibilities for life course epidemiology.

sted, utgiver, år, opplag, sider
2016. Vol. 11, nr 5, e0155954
HSV kategori
Identifikatorer
URN: urn:nbn:se:su:diva-131938DOI: 10.1371/journal.pone.0155954ISI: 000376883000009PubMedID: 27232696OAI: oai:DiVA.org:su-131938DiVA: diva2:946415
Tilgjengelig fra: 2016-07-05 Laget: 2016-07-04 Sist oppdatert: 2016-07-05bibliografisk kontrollert

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