Evidence map›Paper›PMID 29415279›Full record

ArticleInternational journal of epidemiology2018

Paternal and maternal obesity but not gestational weight gain is associated with type 1 diabetes.

Maria C Magnus, Sjurdur F Olsen, Charlotta Granstrom, Nicolai A Lund-Blix, Jannet Svensson, Jesper Johannesen, Abigail Fraser, Torild Skrivarhaug, Geir Joner, Pål R Njølstad and 2 more

Open access · hybridAbstract readMulticenter Study
In one paragraph

Article in International journal of epidemiology, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 26 papers.

0numbers the graph read from it
0cells of the map it votes in
26citing papers in PubMed
3.7field-weighted citation impact, top 7% 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.

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

26 citing papers in PubMed, 51 citations in OpenAlex.

  1. Article
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  5. The obesity pandemic and its impact on non-communicable disease burden.Pflugers Archiv : European journal of physiology · 2025
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  20. Type 1 diabetes-early life origins and changing epidemiology.The lancet. Diabetes & endocrinology · 2020
    Review
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

12 authors at 10 institutions in 3 countries.

Maria C MagnusDivision for Mental and Physical Health, Norwegian Institute of Public Health, Oslo, Norway.
Sjurdur F OlsenCentre for Fetal Programming, Department of Epidemiology Research, Statens Serum Institut, Copenhagen, Denmark.
Charlotta GranstromCentre for Fetal Programming, Department of Epidemiology Research, Statens Serum Institut, Copenhagen, Denmark.
Nicolai A Lund-BlixDivision for Mental and Physical Health, Norwegian Institute of Public Health, Oslo, Norway.
Jannet SvenssonDepartment of Pediatrics, Copenhagen University Hospital, Herlev, Denmark.
Jesper JohannesenDepartment of Pediatrics, Copenhagen University Hospital, Herlev, Denmark.
Abigail FraserMRC Integrative Epidemiology Unit at University of Bristol, Bristol, UK.
Torild SkrivarhaugDepartment of Pediatrics, Oslo University Hospital, Oslo, Norway.
Geir JonerDepartment of Pediatrics, Oslo University Hospital, Oslo, Norway.
Pål R NjølstadDepartment of Pediatrics, Haukeland University Hospital, Bergen, Norway.
Ketil StørdalDivision for Mental and Physical Health, Norwegian Institute of Public Health, Oslo, Norway.
Lars C SteneDivision for Mental and Physical Health, Norwegian Institute of Public Health, Oslo, Norway.
Oslo University Hospital · NOStatens Serum Institut · DKCopenhagen University Hospital · DKHerlev Hospital · DKNorwegian Institute of Public Health · NOØstfold Hospital Trust · NOUniversity Hospitals Bristol NHS Foundation Trust · GBUniversity of Bergen · NOUniversity of Bristol · GBUniversity of Oslo · NO

Funding

Gene-Environment Interactions in an Autism Birth CohortU01NS047537 · NINDS · COLUMBIA UNIVERSITY HEALTH SCIENCES · PI LIPKIN, W. IAN · 2003 to 2013
$27.0M
Medical Research Council MC/UU/12013/5Medical Research Council MC_UU_12013/5Medical Research Council MR/M009351/1NIEHS NIH HHS N01 ES075558NINDS NIH HHS U01 NS047537
6 · The paper itself

Abstract

Background: Our objective was to examine the associations of parental body mass index (BMI) and maternal gestational weight gain with childhood-onset type 1 diabetes. Comparing the associations of maternal and paternal BMI with type 1 diabetes in the offspring will provide further insight into the role of unmeasured confounding by characteristics linked to BMI in both parents. Methods: We studied 132 331 children participating in the Norwegian Mother and Child Cohort Study (MoBa) and the Danish National Birth Cohort (DNBC) who were born between February 1998 and July 2009. Exposures of interest included parental BMI and maternal gestational weight gain obtained by maternal report. We used Cox-proportional hazards regression to examine the risk of type 1 diabetes (n=499 cases), which was ascertained by national childhood diabetes registers. Results: The incidence of type 1 diabetes was 32.7 per 100 000 person-years in MoBa and 28.5 per 100 000 person-years in DNBC. Both maternal pre-pregnancy obesity, adjusted hazard ratio (HR) 1.41 [95% confidence interval (CI): 1.06, 1.89] and paternal obesity, adjusted HR 1.51 (95% CI: 1.11, 2.04), were associated with childhood-onset type 1 diabetes. The associations were similar after mutual adjustment. In contrast, maternal total gestational weight gain was not associated with childhood-onset type 1 diabetes, adjusted HR 1.00 (95% CI: 0.99, 1.02) per kilogram increase. Conclusions: Our study suggests that the association between maternal obesity and childhood-onset type 1 diabetes is not likely explained by intrauterine mechanisms, but possibly rather by unknown environmental factors influencing BMI in the family.

Indexed as

Gestational Weight GainParentsAdolescentAdultBody Mass IndexChildCohort StudiesDenmarkDiabetes Mellitus, Type 1FemaleHumansIncidenceMaleNorwayObesityPregnancy

Identifiers

PMID29415279
PMCPMC5913633
OpenAlexW2790846406

What OpenQuestion holds

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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.