Paper
THE RELATIONSHIP BETWEEN EMPLOYMENT AND ALL-CAUSE MORTALITY IN JAPANESE COMMUNITY-DWELLING OLDER ADULTS
Published Nov 1, 2022 · Y. Fujiwara, S. Seino, Y. Nofuji
Innovation in Aging
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Abstract
It is well known that social contribution such as working maintains the functional health and prevents frailty of older adults. However, the effect of employment in old age with frailty on health outcomes is not well-established.This 3.6-year prospective study examined the influence of working on all-cause mortality in urban community-dwelling Japanese older adults. Participants were 10,591 initially non-disabled residents (5,180 men; 5,411 women) aged 65–84 years of Ota City, Tokyo, Japan. We applied the Cox proportional hazard model by gender and with/without frailty, controlling for age, years of education, equivalent income, number of chronic diseases, body mass index, instrumental activities of daily living (IADLs), smoking and drinking status, exercise habits, social activities, and social interaction for evaluating the predictive value of working status (full-time worker, part time worker, occasional worker and non-worker) at baseline for all-cause mortality.During a follow-up of 3.6 years, 328 (3.1%) individuals died. Compared with non-workers, independent multivariate-hazard ratios (95% confidence intervals) of part-time workers for all-cause mortality in men with/without frailty were 0.35 (0.13–0.97) and 0.54 (0.28–1.01), respectively. Corresponding female multivariate-adjusted HRs with/without frailty were 1.21 (0.34–4.34) and 0.23 (0.05–0.99). Also, for both genders, full-time workers and occasional workers did not have significantly lower adjusted hazard ratios of all-cause mortality, compared to non-workers, regardless of frailty. In conclusion, moderate employment resulted in lower risk of all-cause mortality, even in frail older men.
Rigorous JournalModerate employment in older adults, even in frail men, reduces the risk of all-cause mortality.
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