Journal of Epidemiology
Online ISSN : 1349-9092
Print ISSN : 0917-5040
ISSN-L : 0917-5040
1版
Association between awareness of limiting food intake and all-cause mortality: A cohort study in Japan
Daisaku NishimotoRie IbusukiIppei ShimoshikiryoKenichi ShibuyaShiroh TanoueChihaya KoriyamaToshiro TakezakiIsao OzeHidemi ItoAsahi HishidaTakashi TamuraYasufumi KatoYudai TamadaYuichiro NishidaChisato ShimanoeSadao SuzukiTakeshi NishiyamaEtsuko OzakiSatomi TomidaKiyonori KurikiNaoko MiyagawaKeiko KondoKokichi ArisawaTakeshi WatanabeHiroaki IkezakiJun OtonariKenji WakaiKeitaro Matsuo
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ジャーナル オープンアクセス 早期公開
電子付録

論文ID: JE20220354

1版: 2023/11/04
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Background: Improving diets requires an awareness of the need to limit foods for which excessive consumption is a health problem. Since there are limited reports on the link between this awareness and mortality risk, we examined the association between awareness of limiting food intake (energy, fat, and sweets) and all-cause mortality in a Japanese cohort study.

Methods: Participants comprised 58,772 residents (27,294 men; 31,478 women) aged 35–69 years who completed baseline surveys of the Japan Multi-Institutional Collaborative Cohort Study from 2004 to 2014. Hazard ratios (HRs) for all-cause mortality and 95% confidence intervals (CIs) were estimated by sex using a Cox proportional hazard model, with adjustment for related factors. Mediation analysis with fat intake as a mediator was also conducted.

Results: The mean follow-up period was 11 years and 2,516 people died. Estimated energy and fat intakes according to the Food Frequency Questionnaire were lower in those with awareness of limiting food intake than in those without this awareness. Women with awareness of limiting fat intake showed a significant decrease in mortality risk (HR=0.73; 95% CI, 0.55 to 0.94). Mediation analysis revealed that this association was due to the direct effect of the awareness of limiting fat intake and that the total effect was not mediated by actual fat intake. Awareness of limiting energy or sweets intake was not related to mortality risk reduction.

Conclusion: Awareness of limiting food intake had a limited effect on reducing all-cause mortality risk.

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© 2023 Daisaku Nishimoto et al.

This is an open access article distributed under the terms of Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
https://creativecommons.org/licenses/by/4.0/
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