The Nicoya region of Costa Rica: a high longevity island for elderly males. Vienna Yearbook of Population Research|Vienna Yearbook of Population Research 2013 11|
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30 avril 2014
- handle: 10670/1.to1fbu
- GOid: 0xc1aa5576_0x00307bb7
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Sociology and EconomicsCiter ce document
David H. Rehkopf et al., « The Nicoya region of Costa Rica: a high longevity island for elderly males. Vienna Yearbook of Population Research|Vienna Yearbook of Population Research 2013 11| », Elektronisches Publikationsportal der Österreichischen Akademie der Wissenschafte, ID : 10670/1.to1fbu
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Reliable data show that the Nicoyan region of Costa Rica is a hot spot of high longevity. A survival follow-up of 16,300 elderly Costa Ricans estimated a Nicoya death rate ratio (DRR) for males 1990–2011 of 0.80 (0.69–0.93 CI). For a 60-yearold Nicoyan male, the probability of becoming centenarian is seven times that of a Japanese male, and his life expectancy is 2.2 years greater. This Nicoya advantage does not occur in females, is independent of socio-economic conditions, disappears in out-migrants and comes from lower cardiovascular (CV) mortality (DRR = 0.65). Nicoyans have lower levels of biomarkers of CV risk; they are also leaner, taller and suffer fewer disabilities. Two markers of ageing and stress—telomere length and dehydroepiandrosterone sulphate—are also more favourable. The Nicoya diet is prosaic and abundant in traditional foods like rice, beans and animal protein, with low glycemic index and high fibre content.