Relationship between dietary fiber to carbohydrate ratio and mortality risk in US adults : NHANES 2007-2018
Copyright © 2023 The Italian Diabetes Society, the Italian Society for the Study of Atherosclerosis, the Italian Society of Human Nutrition and the Department of Clinical Medicine and Surgery, Federico II University. Published by Elsevier B.V. All rights reserved..
BACKGROUND AND AIMS: The evidence is inconsistent regarding associations between relative proportions of macronutrient intake and disease risk, potentially due to limitations in accounting for differential effects of simple sugars and dietary fiber, grouped as "carbohydrates." We examined the association between the ratio of dietary fiber to carbohydrate intake (FC-R) measure, the relative proportion of macronutrients, and mortality risk in a nationally representative sample of U.S. adults.
METHODS AND RESULTS: We performed a retrospective cohort study, using data from the National Health and Nutrition Examination Survey in 2007-2018 and linked mortality data among 15,789 adults aged ≥40 years. We categorized participants into three groups by tertile cutpoints of FC-R, and by percent calories from carbohydrate (<45 %, 45-65 %, and >65 %). Cox proportional hazards regression was performed to estimate hazard ratios (HR) for all-cause mortality with 95 % confidence intervals (95 % CI), adjusting for demographic, health history, and lifestyle factors. During a median follow-up of 6.5 years, 2044 deaths were observed. Compared to the low FC-R group, higher FC-R groups showed a reduction in mortality risk after adjusting for potential confounders (high vs low: HR = 0.71, 95 % CI = 0.62-0.83). The association persisted in those consuming 45-65 % and >65 % of calories from carbohydrate, while the association was attenuated in those with <45 % of calories from carbohydrate. Percent calories from carbohydrate showed no association with mortality risk.
CONCLUSION: Higher FC-R was associated with lower all-cause mortality risk in adults with moderate to high levels of percent calories from carbohydrate. Mechanisms of the association warrant further investigation.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2024 |
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| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:34 |
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| Enthalten in: |
Nutrition, metabolism, and cardiovascular diseases : NMCD - 34(2024), 3 vom: 15. März, Seite 661-671 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Morimoto, Nobuhisa [VerfasserIn] |
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| Links: |
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| Themen: |
Adult |
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| Anmerkungen: |
Date Completed 04.03.2024 Date Revised 04.03.2024 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1016/j.numecd.2023.11.002 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM36651752X |
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| 500 | |a Date Revised 04.03.2024 | ||
| 500 | |a published: Print-Electronic | ||
| 500 | |a Citation Status MEDLINE | ||
| 520 | |a Copyright © 2023 The Italian Diabetes Society, the Italian Society for the Study of Atherosclerosis, the Italian Society of Human Nutrition and the Department of Clinical Medicine and Surgery, Federico II University. Published by Elsevier B.V. All rights reserved. | ||
| 520 | |a BACKGROUND AND AIMS: The evidence is inconsistent regarding associations between relative proportions of macronutrient intake and disease risk, potentially due to limitations in accounting for differential effects of simple sugars and dietary fiber, grouped as "carbohydrates." We examined the association between the ratio of dietary fiber to carbohydrate intake (FC-R) measure, the relative proportion of macronutrients, and mortality risk in a nationally representative sample of U.S. adults | ||
| 520 | |a METHODS AND RESULTS: We performed a retrospective cohort study, using data from the National Health and Nutrition Examination Survey in 2007-2018 and linked mortality data among 15,789 adults aged ≥40 years. We categorized participants into three groups by tertile cutpoints of FC-R, and by percent calories from carbohydrate (<45 %, 45-65 %, and >65 %). Cox proportional hazards regression was performed to estimate hazard ratios (HR) for all-cause mortality with 95 % confidence intervals (95 % CI), adjusting for demographic, health history, and lifestyle factors. During a median follow-up of 6.5 years, 2044 deaths were observed. Compared to the low FC-R group, higher FC-R groups showed a reduction in mortality risk after adjusting for potential confounders (high vs low: HR = 0.71, 95 % CI = 0.62-0.83). The association persisted in those consuming 45-65 % and >65 % of calories from carbohydrate, while the association was attenuated in those with <45 % of calories from carbohydrate. Percent calories from carbohydrate showed no association with mortality risk | ||
| 520 | |a CONCLUSION: Higher FC-R was associated with lower all-cause mortality risk in adults with moderate to high levels of percent calories from carbohydrate. Mechanisms of the association warrant further investigation | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Adult | |
| 650 | 4 | |a Carbohydrate | |
| 650 | 4 | |a Fiber | |
| 650 | 4 | |a Mortality | |
| 650 | 4 | |a Relative macronutrient proportion | |
| 650 | 7 | |a Dietary Fiber |2 NLM | |
| 700 | 1 | |a Urayama, Kevin Y |e verfasserin |4 aut | |
| 700 | 1 | |a Tanaka, Akira |e verfasserin |4 aut | |
| 700 | 1 | |a Ai, Masumi |e verfasserin |4 aut | |
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