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Title

Early-life socioeconomic circumstances explain health differences in old age, but not their evolution over time

Authors
Boisgontier, Matthieu P
Published in Journal of Epidemiology and Community Health. 2019, vol. 73, no. 8, p. 703-711
Abstract Background: Early-life socioeconomic circumstances (SEC) are associated with health in old age. However, epidemiological evidences on the influence of these early-life risk factors on trajectories of healthy ageing are inconsistent, preventing drawing solid conclusion about their potential influence. Here, to fill this knowledge gap, we used a statistical approach adapted to estimating change over time and an outcome-wide epidemiology approach to investigate whether early-life SEC were associated with the level of and rate of decline of physical, cognitive and emotional functioning over time. Methods: We used data on more than 23 000 adults in older age from the Survey of Health, Ageing and Retirement in Europe, a 12-year large-scale longitudinal study with repeated measurements of multiple health indicators of the same participants over time (2004 –2015, assessments every 2 years). Confounder-adjusted linear growth curve models were used to examine the associations of early-life SEC with the evolution of muscle strength, lung function, cognitive function, depressive symptoms and well-being over time. Results: We consistently found an association between early-life SEC and the mean levels of all health indicators at age 63.5, with a critical role played by the cultural aspect of disadvantage. These associations were only partly explained by adult-life SEC factors. By contrast, evidences supporting an association between early-life SEC and the rate of change in health indicators were weak and inconsistent. Conclusions: Early-life SEC are associated with health in old age, but not with trajectories of healthy ageing. Conceptual models in life course research should consider the possibility of a limited influence of early-life SEC on healthy ageing trajectories.
Keywords Ageing trajectoriesEarly lifeHealth statusHealthy ageingSocioeconomic factors
Identifiers
PMID: 30967487
Full text
Structures
Research groups Cognitive Aging Lab (CAL)
Affective sciences
Centre LIVES
Projects FNS: PZ00P1_180040
FNS: SNSF; 51NF40-160590
Citation
(ISO format)
CHEVAL, Boris et al. Early-life socioeconomic circumstances explain health differences in old age, but not their evolution over time. In: Journal of Epidemiology and Community Health, 2019, vol. 73, n° 8, p. 703-711. doi: 10.1136/jech-2019-212110 https://archive-ouverte.unige.ch/unige:135213

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Deposited on : 2020-04-27

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