Evidence map›Paper›PMID 28535840›Full record

Trial reportTwin research and human genetics : the official journal of the International Society for Twin Studies2017

A Comparison of Personality, Life Events, Comorbidity, and Health in Monozygotic Twins Discordant for Anorexia Nervosa.

Laura M Thornton, Sara E Trace, Kimberly A Brownley, Monica Ålgars, Suzanne E Mazzeo, Jocilyn E Bergin, Millie Maxwell, Paul Lichtenstein, Nancy L Pedersen, Cynthia M Bulik

Open access · bronzeAbstract readClinical TrialComparative StudyMulticenter Study
In one paragraph

Trial report in Twin research and human genetics : the official journal of the International Society for Twin Studies, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers, 3 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
9citing papers in PubMed, 3 pooled it
2.6field-weighted citation impact, top 11% 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

9 citing papers in PubMed, 3 syntheses or guidelines pooled it, 21 citations in OpenAlex.

  1. Pooled it
  2. Pooled it
  3. Pooled it
  4. Review
  5. Article
  6. Article
  7. Review
  8. A longitudinal study of eating behaviours in childhood and later eating disorder behaviours and diagnoses.The British journal of psychiatry : the journal of mental science · 2020
    Article
  9. Article
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

10 authors at 4 institutions in 3 countries.

Laura M ThorntonDepartment of Psychiatry,University of North Carolina at Chapel Hill,Chapel Hill,NC,USA.
Sara E TraceDepartment of Psychiatry,University of North Carolina at Chapel Hill,Chapel Hill,NC,USA.
Kimberly A BrownleyDepartment of Psychiatry,University of North Carolina at Chapel Hill,Chapel Hill,NC,USA.
Monica ÅlgarsDepartment of Psychology and Logopedics,Abo Akademi University,Turku,Finland.
Suzanne E MazzeoDepartment of Psychology,Virginia Commonwealth University,Richmond,VA,USA.
Jocilyn E BerginVirginia Institute for Psychiatric and Behavioral Genetics,Virginia Commonwealth University,Richmond,VA,USA.
Millie MaxwellDepartment of Psychiatry,University of North Carolina at Chapel Hill,Chapel Hill,NC,USA.
Paul LichtensteinDepartment of Medical Epidemiology and Biostatistics,Karolinska Institutet,Stockholm,Sweden.
Nancy L PedersenDepartment of Medical Epidemiology and Biostatistics,Karolinska Institutet,Stockholm,Sweden.
Cynthia M BulikDepartment of Psychiatry,University of North Carolina at Chapel Hill,Chapel Hill,NC,USA.
University of North Carolina at Chapel Hill · USKarolinska Institutet · SEVirginia Commonwealth University · USÅbo Akademi University · FI

Funding

Research Training: Psychiatric &Statistical GeneticsT32MH020030 · NIMH · VIRGINIA COMMONWEALTH UNIVERSITY · PI HERMINE H MAES, MICHAEL CHURTON NEALE · 1999 to 2026
$6.7M
GENETIC &ENVIRONMENT DETERMINANTS OF SMOKING CESSATIONR01CA085739 · NCI · VIRGINIA COMMONWEALTH UNIVERSITY · PI SULLIVAN, PATRICK F · 2001 to 2006
$3.1M
Postdoctoral Research Training in Eating DisordersT32MH076694 · NIMH · UNIV OF NORTH CAROLINA CHAPEL HILL · PI BULIK, CYNTHIA M · 2007 to 2016
$1.8M
Microarrays &Proteomics in MZ Twins Discordant for CFSR01AI056014 · NIAID · UNIV OF NORTH CAROLINA CHAPEL HILL · PI SULLIVAN, PATRICK F · 2004 to 2006
$1.2M
Genetic and Environmental Contributions to Alcohol Use and Eating DisordersK01AA018719 · NIAAA · UNIV OF NORTH CAROLINA CHAPEL HILL · PI ROOT, TAMMY · 2010 to 2011
$248k
NCI NIH HHS R01 CA085739NIAAA NIH HHS K01 AA018719NIAID NIH HHS R01 AI056014NIMH NIH HHS T32 MH020030NIMH NIH HHS T32 MH076694
6 · The paper itself

Abstract

Genetic and environmental factors contribute to the etiology of anorexia nervosa (AN). The co-twin control design is one of the most powerful methods available to evaluate environmental factors that could contribute to differences between monozygotic (MZ) twins who are discordant for AN. Using available data from a unique and rare sample of 22 Swedish female MZ pairs discordant for AN, we compared personality, life events, comorbidity, and health factors. Twins with AN had significantly higher perfectionism scores than unaffected co-twins and reported younger ages at first diet than unaffected co-twins who had dieted. Consistent with previous literature, more twins with AN reported gastrointestinal problems than unaffected co-twins. Although not significant due to low statistical power, more unaffected co-twins reported experiencing emotional neglect than twins with AN. Early dieting may be a harbinger of the development of AN or an early symptom. Higher perfectionism may represent a risk factor, sequela, or both. Sibling perception of neglect is noteworthy given the impact of an ill child with AN on family function and wellbeing. The health and wellbeing of siblings should be addressed clinically when one child in the family suffers from AN.

Indexed as

Anorexia NervosaPersonalityTwins, MonozygoticAdultFemaleHumansMiddle Agedadverse eventsanorexia nervosacomorbidityco-twin controlpersonality

Identifiers

PMID28535840
PMCPMC8023042
OpenAlexW2619776071

What OpenQuestion holds

Textmetadata
LicenceTDM
Read underepoch 390

Registered trials

None linked

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.