Evidence map›Paper›PMID 29138203›Full record

ArticleBMJ open2017

Does the impact of a plant-based diet during pregnancy on birth weight differ by ethnicity? A dietary pattern analysis from a prospective Canadian birth cohort alliance.

Michael A Zulyniak, Russell J de Souza, Mateen Shaikh, Dipika Desai, Diana L Lefebvre, Milan Gupta, Julie Wilson, Gita Wahi, Padmaja Subbarao, Allan B Becker and 10 more

Abstract read
In one paragraph

Article in BMJ open, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 28 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
28citing papers in PubMed, 1 pooled it
–field-weighted citation impact
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.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

28 citing papers in PubMed, 1 synthesis or guideline pooled it.

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  18. The impact of a vegan diet on pregnancy outcomes.Journal of perinatology : official journal of the California Perinatal Association · 2021
    Observational
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

20 authors.

Michael A ZulyniakDepartment of Medicine, McMaster University, Hamilton, Ontario, Canada.ORCID http://orcid.org/0000-0003-4944-5521
Russell J de SouzaDepartment of Health Research Methods, Evidence, and Impact, McMaster University, Hamilton, Ontario, Canada.
Mateen ShaikhDepartment of Health Research Methods, Evidence, and Impact, McMaster University, Hamilton, Ontario, Canada.
Dipika DesaiPopulation Health Research Institute, Hamilton Health Sciences and McMaster University, Hamilton, Ontario, Canada.
Diana L LefebvreDepartment of Medicine, McMaster University, Hamilton, Ontario, Canada.
Milan GuptaDepartment of Medicine, McMaster University, Hamilton, Ontario, Canada.
Julie WilsonSix Nations Health Services, Ohsweken, Ontario, Canada.
Gita WahiDepartment of Health Research Methods, Evidence, and Impact, McMaster University, Hamilton, Ontario, Canada.
Padmaja SubbaraoHospital for Sick Children and Department of Paediatrics, University of Toronto, Toronto, Ontario, Canada.
Allan B BeckerDepartment of Immunology, Faculty of Medicine, University of Manitoba, Winnipeg, Manitoba, Canada.
Piush MandhaneDepartment of Pediatrics, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Alberta, Canada.
Stuart E TurveyDepartment of Paediatrics, Faculty of Medicine, University of British Columbia, BC Children's Hospital, Vancouver, British Columbia, Canada.
Joseph BeyeneDepartment of Health Research Methods, Evidence, and Impact, McMaster University, Hamilton, Ontario, Canada.
Stephanie AtkinsonDepartment of Paediatrics, McMaster University, Hamilton, Ontario, Canada.
Katherine M MorrisonDepartment of Paediatrics, McMaster University, Hamilton, Ontario, Canada.
Sarah McDonaldDepartment of Health Research Methods, Evidence, and Impact, McMaster University, Hamilton, Ontario, Canada.
Koon K TeoDepartment of Medicine, McMaster University, Hamilton, Ontario, Canada.
Malcolm R SearsDepartment of Medicine, McMaster University, Hamilton, Ontario, Canada.
Sonia S AnandDepartment of Medicine, McMaster University, Hamilton, Ontario, Canada.
NutriGen Alliance investigators

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

objectiveBirth weight is an indicator of newborn health and a strong predictor of health outcomes in later life. Significant variation in diet during pregnancy between ethnic groups in high-income countries provides an ideal opportunity to investigate the influence of maternal diet on birth weight.

settingFour multiethnic birth cohorts based in Canada (the NutriGen Alliance).

participants3997 full-term mother-infant pairs of diverse ethnic groups who had principal component analysis-derived diet pattern scores-plant-based, Western and health-conscious-and birth weight data.

resultsNo associations were identified between the Western and health-conscious diet patterns and birth weight; however, the plant-based dietary pattern was inversely associated with birth weight (β=-67.6 g per 1-unit increase; P<0.001), and an interaction with non-white ethnicity and birth weight was observed. Ethnically stratified analyses demonstrated that among white Europeans, maternal consumption of a plant-based diet associated with lower birth weight (β=-65.9 g per 1-unit increase; P<0.001), increased risk of small-for-gestational age (SGA; OR=1.46; 95% CI 1.08 to 1.54;P=0.005) and reduced risk of large-for-gestational age (LGA; OR=0.71; 95% CI 0.53 to 0.95;P=0.02). Among South Asians, maternal consumption of a plant-based diet associated with a higher birth weight (β=+40.5 g per 1-unit increase; P=0.01), partially explained by cooked vegetable consumption.

conclusionsMaternal consumption of a plant-based diet during pregnancy is associated with birth weight. Among white Europeans, a plant-based diet is associated with lower birth weight, reduced odds of an infant born LGA and increased odds of SGA, whereas among South Asians living in Canada, a plant-based diet is associated with increased birth weight.

Indexed as

Birth WeightAdultAsian PeopleCanadaCookingDiet, HealthyDiet, VegetarianDiet, WesternEnergy IntakeFemaleFetal MacrosomiaFoodHumansInfant, Small for Gestational AgePregnancyTerm Birthbirth weightdiet patternnutritionPCA

Identifiers

PMID29138203
PMCPMC5695448

What OpenQuestion holds

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LicenceCC BY-NC
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Registered trials

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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.