Evidence map›Paper›PMID 35380627›Full record

Trial reportThe American journal of clinical nutrition2022

Prospective study of breakfast frequency and timing and the risk of incident type 2 diabetes in community-dwelling older adults: the Cardiovascular Health Study.

Allie S Carew, Rania A Mekary, Susan Kirkland, Olga Theou, Ferhan Siddiqi, Robin Urquhart, Michelle George, Chris Blanchard, Mary L Biggs, Luc Djoussé and 2 more

Registry-linked trialOpen access · greenAbstract readClinical Trial
In one paragraph

Trial report in The American journal of clinical nutrition, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT00005133 (The Cardiovascular Health Study), which is not on this map. Cited by 11 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
11citing papers in PubMed, 1 pooled it
1.8field-weighted citation impact, top 15% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

NCT00005133 active not recruitingnot on this map

The Cardiovascular Health Study

TypeobservationalSponsorNational Heart, Lung, and Blood Institute (NHLBI)Ran1988 to 2027Enrolled5,888ConditionsCardiovascular Diseases, Coronary Disease, Heart Diseases, Cerebrovascular Accident
3 · Its place in the literature

Who cites it

11 citing papers in PubMed, 1 synthesis or guideline pooled it, 17 citations in OpenAlex.

  1. Pooled it
  2. Article
  3. Article
  4. Article
  5. Article
  6. Protein Intake and Its Association With Meal Patterns and Dietary Patterns in a Swedish Population of Older Adults.Journal of human nutrition and dietetics : the official journal of the British Dietetic Association · 2025
    Article
  7. Article
  8. Review
  9. Article
  10. Review
  11. Healthy eating for healthy aging: What and when to eat as an older adult.The American journal of clinical nutrition · 2022
    Article
4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

12 authors at 5 institutions in 2 countries.

Allie S CarewDepartment of Medicine, Dalhousie University, Halifax, Nova Scotia, Canada.
Rania A MekarySchool of Pharmacy, Massachusetts College of Pharmacy and Health Sciences University, Boston, MA, USA.
Susan KirklandDepartment of Medicine, Dalhousie University, Halifax, Nova Scotia, Canada.
Olga TheouDepartment of Medicine, Dalhousie University, Halifax, Nova Scotia, Canada.ORCID 0000-0001-6460-782X
Ferhan SiddiqiDepartment of Medicine, Dalhousie University, Halifax, Nova Scotia, Canada.
Robin UrquhartQEII Health Sciences Centre, Nova Scotia Health Authority, Halifax, Nova Scotia, Canada.
Michelle GeorgeDepartment of Community Health and Epidemiology, Dalhousie University, Halifax, Nova Scotia, Canada.
Chris BlanchardDepartment of Medicine, Dalhousie University, Halifax, Nova Scotia, Canada.
Mary L BiggsDepartment of Biostatistics, University of Washington, Seattle, WA, USA.
Luc DjousséDivision on Aging, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, USA.
Kenneth J MukamalDepartment of Nutrition, Harvard TH Chan School of Public Health, Boston, MA, USA.
Leah E CahillDepartment of Medicine, Dalhousie University, Halifax, Nova Scotia, Canada.ORCID 0000-0003-3584-2227
Dalhousie University · CABeth Israel Deaconess Medical Center · USBrigham and Women's Hospital · USMassachusetts College of Pharmacy and Health Sciences · USUniversity of Washington · US

Funding

Exceptional Survival: Trajectories to Functional Aging (CHS All Stars)R01AG023629 · NIA · UNIVERSITY OF PITTSBURGH AT PITTSBURGH · PI NEWMAN, ANNE B. · 2004 to 2016
$9.5M
CARDIOVASCULAR HEALTH STUDY (CHS) - TASK AREA C, STUDY CLOSEOUT75N92021D00006 · NHLBI · UNIVERSITY OF WASHINGTON · PI PSATY, BRUCE · 2021 to 2024
$8.4M
CHS research resources for the cardiovascular health of older adultsU01HL130114 · NHLBI · UNIVERSITY OF WASHINGTON · PI BURKE, GREGORY L, KRONMAL, RICHARD A · 2016 to 2019
$6.6M
CHS Events Follow-up StudyU01HL080295 · NHLBI · UNIVERSITY OF WASHINGTON · PI PSATY, BRUCE M · 2005 to 2008
$4.6M
Role of EIIIA fibronectin in pulmonary fibrosisR01HL085083 · NHLBI · UNIVERSITY OF MICHIGAN AT ANN ARBOR · PI WHITE, ERIC S · 2007 to 2011
$1.9M
Non-esterified Fatty Acids and Chronic Pain in Older AdultsK24AG065525 · NIA · BETH ISRAEL DEACONESS MEDICAL CENTER · PI MUKAMAL, KENNETH JAY · 2020 to 2024
$1.0M
CHS-Transition PhaseN01HC55222 · NHLBI · PI , · 2007 to 2007
$575k
CORONARY HEART DISEASE &STROKE IN PEOPLE AGED 65-84N01HC085083 · HC · UNIVERSITY OF CALIFORNIA DAVIS · PI ROBBINS, JOHN A · 1988 to 1999
–
CORONARY HEART DISEASE &STROKE IN PEOPLE AGED 65 TO 84N01HC085079 · HC · UNIVERSITY OF WASHINGTON · 1988 to 2005
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CHS-Transition Phase -268055222-268055222N01HC055222 · HC · UNIVERSITY OF WASHINGTON · PI KRONMAL, RICHARD A · 2005 to 2006
–
CENTRAL BLOOD ANALYSIS LABORATORY FOR CHSN01HC085086 · HC · UNIVERSITY OF VERMONT &ST AGRIC COLLEGE · PI TRACY, RUSSELL P · 1988 to 2000
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CORONARY HEART DISEASE &STROKE IN THE ELDERLYN01HC085080 · HC · WAKE FOREST UNIVERSITY · PI BURKE, GREGORY L · 1988 to 2000
–
NHLBI NIH HHS 75N92021D00006NHLBI NIH HHS HHSN268200800007CNHLBI NIH HHS HHSN268201200036CNHLBI NIH HHS HHSN268201800001CNHLBI NIH HHS N01 HC055222NHLBI NIH HHS N01 HC085079NHLBI NIH HHS N01 HC085080NHLBI NIH HHS N01 HC085081NHLBI NIH HHS N01 HC085082NHLBI NIH HHS N01 HC085083NHLBI NIH HHS N01 HC085086NHLBI NIH HHS N01HC55222NHLBI NIH HHS N01HC85079NHLBI NIH HHS N01HC85080NHLBI NIH HHS N01HC85081NHLBI NIH HHS N01HC85082NHLBI NIH HHS N01HC85083NHLBI NIH HHS N01HC85086NHLBI NIH HHS U01 HL080295NHLBI NIH HHS U01 HL130114NIA NIH HHS K24 AG065525NIA NIH HHS R01 AG023629
6 · The paper itself

Abstract

backgroundNo evidence-based recommendations regarding optimal breakfast frequency and timing and type 2 diabetes mellitus (T2DM) exist for older adults because of limited studies.

objectivesWe sought to prospectively assess relations between breakfast frequency and timing and T2DM risk among older adults and determine whether these depended on sex or cardiometabolic risk factors.

methodsWeekly breakfast frequency and usual daily breakfast time were assessed by questionnaire at baseline in 3747 older adults (aged ≥ 65 y) from the Cardiovascular Health Study (CHS) who were free of cancer and T2DM and followed for 17.6 y. Multivariable-adjusted hazard ratios (aHRs) with 95% CIs estimated from Cox proportional hazards models were used to quantify associations with T2DM.

resultsMost CHS participants (median age: 74 y; IQR: 71-78 y) consumed breakfast daily (85.5%), and 73% had their first daily eating occasion between 07:00 and 09:00, both of which were associated with higher socioeconomic status, factors that are indicative of a healthier lifestyle, and lower levels of cardiometabolic risk indicators at baseline. During follow-up, 547 T2DM cases were documented. No strong evidence was observed linking breakfast frequency and risk of T2DM. Compared with participants whose breakfast timing (first eating occasion of the day) was 07:00-09:00, those who broke fast after 09:00 had an aHR for T2DM of 0.71 (95% CI: 0.51, 0.99). This association was present in participants with impaired fasting glucose at baseline (aHR: 0.61; 95% CI: 0.39, 0.95) but not in those without (aHR: 0.83; 95% CI: 0.50, 1.38). No associations between eating frequency or timing and T2DM were observed within other prespecified subgroups.

conclusionsEating breakfast daily was not associated with either higher or lower risk of T2DM in this cohort of older adults, whereas a later (after 09:00) daily first eating occasion time was associated with lower T2DM risk in participants with impaired fasting glucose at baseline.This trial was registered at clinicaltrials.gov as NCT00005133.

Indexed as

Diabetes Mellitus, Type 2Prediabetic StateAgedBreakfastFeeding BehaviorGlucoseHumansIndependent LivingProspective StudiesRisk FactorsGlucosebreakfast frequency and timingepidemiologynutritionolder adultspreventiontype 2 diabetes mellitus

Identifiers

PMID35380627
PMCPMC9348984
OpenAlexW4225545928

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Registered trials

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.