Journal of Atherosclerosis and Thrombosis
Online ISSN : 1880-3873
Print ISSN : 1340-3478
ISSN-L : 1340-3478
Original Article
Association of Total Energy Intake with 29-Year Mortality in the Japanese: NIPPON DATA80
Masato NagaiTakayoshi OhkuboKatsuyuki MiuraAkira FujiyoshiNagako OkudaTakehito HayakawaKatsushi YoshitaYusuke AraiHideaki NakagawaKoshi NakamuraNaoko MiyagawaNaoyuki TakashimaAya KadotaYoshitaka MurakamiYasuyuki NakamuraRobert D. AbbottTomonori OkamuraAkira OkayamaHirotsugu Ueshimathe NIPPON DATA80 Research Group.
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JOURNALS OPEN ACCESS

2016 Volume 23 Issue 3 Pages 339-354

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Abstract

Aim: In animals, dietary energy restriction is reported to increase longevity, whereas in humans, all cohort studies from Western countries have not shown an association between the low energy intake and longevity. We examined the association between total energy intake and longevity in Japan where dietary pattern is different from that in the West.
Methods: A total of 7,704 Japanese aged 30–69 years were followed from 1980 to 2009. Participants were divided into the quintiles of total energy (kcal/day) based on data collected from the National Nutrition Survey. Hazard ratios and 95% confidence intervals (CIs) were derived through the use of Cox proportional hazards models to compare the risk of death across and between the quintiles.
Results: There was a significant association between increased energy intake and all-cause mortality risk in only men (P for linear trend=0.008). In cause-specific analysis, compared with the lowest quintile, there was rise in coronary heart disease (CHD) mortality among men (HR; 2.63, 95%CI; 0.95–7.28, P for linear trend 0.016) and women (HR; 2.91, 95%CI; 1.02–8.29, P for linear trend 0.032) and cancer mortality among men (HR; 1.50, 95%CI; 0.999–2.24, P for linear trend 0.038) in the top quintile.
Conclusion: We observed significant associations of high energy intake with all-cause and cancer mortality among men and with CHD mortality among men and women. Further studies are needed to confirm the benefits of caloric restriction.

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この記事はクリエイティブ・コモンズ [表示 - 非営利 - 継承 4.0 国際]ライセンスの下に提供されています。
https://creativecommons.org/licenses/by-nc-sa/4.0/deed.ja
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