Evidence map›Paper›PMID 36274127›Full record

ArticleBMC public health2022

Clustering of characteristics associated with unplanned pregnancies: the generation R study.

Clair A Enthoven, Hanan El Marroun, M Elisabeth Koopman-Verhoeff, Wilma Jansen, Mijke P Lambregtse-van den Berg, Frouke Sondeijker, Manon H J Hillegers, Hilmar H Bijma, Pauline W Jansen

Open access · goldAbstract read
In one paragraph

Article in BMC public health, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
16citing papers in PubMed, 1 pooled it
7.2field-weighted citation impact, top 2% 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

16 citing papers in PubMed, 1 synthesis or guideline pooled it, 37 citations in OpenAlex.

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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

9 authors at 4 institutions in 1 country.

Clair A EnthovenDepartment of Child and Adolescent Psychiatry/Psychology, Erasmus University Medical Center, Rotterdam, Zuid-Holland, The Netherlands.ORCID 0000-0003-0812-8765
Hanan El MarrounDepartment of Child and Adolescent Psychiatry/Psychology, Erasmus University Medical Center, Rotterdam, Zuid-Holland, The Netherlands.ORCID 0000-0002-9763-5015
M Elisabeth Koopman-VerhoeffDepartment of Child and Adolescent Psychiatry/Psychology, Erasmus University Medical Center, Rotterdam, Zuid-Holland, The Netherlands.ORCID 0000-0003-3470-3620
Wilma JansenDepartment of Social Development, Rotterdam, Zuid-Holland, The Netherlands.ORCID 0000-0002-4453-9054
Mijke P Lambregtse-van den BergDepartment of Child and Adolescent Psychiatry/Psychology, Erasmus University Medical Center, Rotterdam, Zuid-Holland, The Netherlands.ORCID 0000-0003-1764-5940
Frouke SondeijkerDepartment of Youth, parenting and education, Verwey-Jonker institute, Utrecht, The Netherlands.
Manon H J HillegersDepartment of Child and Adolescent Psychiatry/Psychology, Erasmus University Medical Center, Rotterdam, Zuid-Holland, The Netherlands.ORCID 0000-0003-4877-282X
Hilmar H BijmaDepartment of Obstetrics and Gynecology, Division of Obstetrics and Fetal Medicine, Erasmus MC Sophia, Rotterdam, the Netherlands.ORCID 0000-0002-5800-8051
Pauline W JansenDepartment of Child and Adolescent Psychiatry/Psychology, Erasmus University Medical Center, Rotterdam, Zuid-Holland, The Netherlands. p.w.jansen@essb.eur.nl.ORCID 0000-0001-7747-5803
Erasmus MC · NLErasmus MC - Sophia Children’s Hospital · NLLeiden University · NLVerwey Jonker Institute · NL

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundUnplanned or unintended pregnancies form a major public health concern because they are associated with unfavorable birth outcomes as well as social adversity, stress and depression among parents-to-be. Several risk factors for unplanned pregnancies in women have previously been identified, but studies usually take a unidimensional approach by focusing on only one or few factors, disregarding the possibility that predictors might cluster. Furthermore, data on predictors in men are largely overlooked. The purpose of this study is to determine predictors of unplanned versus planned pregnancy, to determine predictors of ambivalent feelings regarding pregnancy, and to investigate how characteristics of men and women with an unplanned pregnancy cluster together.

methodsThis study was embedded in Generation R, a multiethnic population-based prospective cohort from fetal life onwards. Pregnancy intention was reported by 7702 women and 5367 partners. Information on demographic, mental, physical, social, and sexual characteristics was obtained. Logistic regression, multinomial regression and cluster analyses were performed to determine characteristics that were associated with an unplanned pregnancy, with ambivalent feelings regarding the unplanned pregnancy and the co-occurrence of characteristics in women and men with unplanned pregnancy.

resultsTwenty nine percent of the pregnancies were unplanned. Logistic regression analyses showed that 42 of 44 studied predictors were significantly associated with unplanned pregnancy. The most important predictors were young age, migration background, lower educational level, lower household income, financial difficulties, being single, lower cognitive ability, drug use prior to pregnancy, having multiple sexual partners in the year prior to the pregnancy, younger age of first sexual contact and a history of abortion. Multinomial regression analyses showed that a Turkish or Moroccan background, Islamic religion, little financial opportunities, being married, having ≥3 children, high educational level, more mental health and social problems and older age of first sexual contact were associated with prolonged ambivalent feelings regarding pregnancy. Different combinations of characteristics were observed in the four clusters of women and men with unplanned pregnancy.

conclusionsMany predictors are related with unplanned pregnancies, ambivalent feelings toward the pregnancy, and we identified very heterogeneous groups of women and men with unplanned pregnancies. This calls for heterogeneous measures to prevent unplanned pregnancies.

Indexed as

Family Planning ServicesPregnancy, UnplannedChildCluster AnalysisFemaleHumansMalePregnancyProspective StudiesRisk FactorsCluster analysisPredictorsUnplanned pregnancyUnwanted pregnancy

Identifiers

PMID36274127
PMCPMC9590126
OpenAlexW4307125341

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.