Evidence map›Paper›PMID 28662683›Full record

ArticleBMC pregnancy and childbirth2017

The Raine study had no evidence of significant perinatal selection bias after two decades of follow up: a longitudinal pregnancy cohort study.

Scott W White, Peter R Eastwood, Leon M Straker, Leon A Adams, John P Newnham, Stephen J Lye, Craig E Pennell

Open access · goldAbstract read
In one paragraph

Article in BMC pregnancy and childbirth, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 20 papers.

0numbers the graph read from it
0cells of the map it votes in
20citing papers in PubMed
4.9field-weighted citation impact, top 6% 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

20 citing papers in PubMed, 48 citations in OpenAlex.

  1. Article
  2. Article
  3. Article
  4. Article
  5. Article
  6. Article
  7. Article
  8. Article
  9. Fetal Growth Trajectories and Measures of Insulin Resistance in Young Adults.The Journal of clinical endocrinology and metabolism · 2023
    Article
  10. Article
  11. Article
  12. Article
  13. Article
  14. Article
  15. Article
  16. Article
  17. Review
  18. Article
  19. Article
  20. 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

7 authors at 6 institutions in 2 countries.

Scott W WhiteSchool of Women's and Infants' Health, The University of Western Australia at King Edward Memorial Hospital, 374 Bagot Road, Subiaco, WA, 6008, Australia. Scott.White@health.wa.gov.au.
Peter R EastwoodSir Charles Gairdner Hospital, Hospital Avenue, Nedlands, WA, 6009, Australia.
Leon M StrakerSchool of Physiotherapy and Exercise Science, Faculty of Health Sciences, Curtin University, Kent Street, Bentley, WA, 6102, Australia.
Leon A AdamsSir Charles Gairdner Hospital, Hospital Avenue, Nedlands, WA, 6009, Australia.
John P NewnhamSchool of Women's and Infants' Health, The University of Western Australia at King Edward Memorial Hospital, 374 Bagot Road, Subiaco, WA, 6008, Australia.
Stephen J LyeThe Lunenfeld-Tanenbaum Research Institute Mount Sinai Hospital Joseph and Wolf Lebovic Health Complex 600 University Avenue, Toronto, ON, M5G 1X5, Canada.
Craig E PennellSchool of Women's and Infants' Health, The University of Western Australia at King Edward Memorial Hospital, 374 Bagot Road, Subiaco, WA, 6008, Australia.
Sir Charles Gairdner Hospital · AUCurtin University · AUKing Edward Memorial Hospital · AULunenfeld-Tanenbaum Research Institute · CAUniversity of Western Australia · AUWomen and Infants Research Foundation · AU

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundCohort studies may increase or decrease their selection bias as they progress through time. The Western Australian Pregnancy Cohort (Raine) Study has followed 2868 children for over two decades; from fetal into adult life. This paper analyses the cohort over time, assessing potential bias that may come and go with recruitment, retention and loss of participants.

methodsLinked data from all births in Western Australian over the 3 years the Raine Cohort was recruited were obtained to compare perinatal characteristics and subsequent health outcomes between the Western Australian (WA) contemporaneous birth population and the Raine Cohort at five time points. Perinatal exposure-outcome comparisons were employed to assess bias due to non-participation in Raine Study subsets.

resultsThere were demographic differences between the Raine Study cohort and its source population at recruitment with further changes across the period of follow up. Despite these differences, the pregnancy and infant data of those with continuing participation were not significantly different to the WA contemporaneous birth population. None of the exposure-outcome associations were significantly different to those in the WA general population at recruitment or at any cohort reviews suggesting no substantial recruitment or attrition bias.

conclusionsThe Raine Study is valuable for association studies, even after 20 years of cohort reviews with increasing non-participation of cohort members. Non-participation has resulted in greater attrition of socially disadvantaged participants, however, exposure-outcome association analyses suggest that there is no apparent resulting selection bias.

Indexed as

BiasLost to Follow-UpPatient SelectionAdultCesarean SectionCohort StudiesFemaleFollow-Up StudiesHumansInfant, Low Birth WeightInfant, NewbornJaundice, NeonatalLongitudinal StudiesMaternal AgePre-EclampsiaPregnancyBiasCohort retentionRaine study

Identifiers

PMID28662683
PMCPMC5492127
OpenAlexW2730806524

What OpenQuestion holds

Textmetadata
LicenceCC BY
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.