Evidence map›Paper›PMID 24162035›Full record

ArticleEnvironmental health perspectives2014

Maternal concentrations of persistent organochlorine pollutants and the risk of asthma in offspring: results from a prospective cohort with 20 years of follow-up.

Susanne Hansen, Marin Strøm, Sjurdur F Olsen, Ekaterina Maslova, Panu Rantakokko, Hannu Kiviranta, Dorte Rytter, Bodil H Bech, Linda V Hansen, Thorhallur I Halldorsson

Open access · diamondAbstract read
In one paragraph

Article in Environmental health perspectives, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 24 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
24citing papers in PubMed, 1 pooled it
5.5field-weighted citation impact, top 4% 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

24 citing papers in PubMed, 1 synthesis or guideline pooled it, 66 citations in OpenAlex.

  1. The impact of environmental pollution on the quality of mother's milk.Environmental science and pollution research international · 2019
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4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

10 authors at 2 institutions in 4 countries.

Susanne HansenCentre for Fetal Programming, Department of Epidemiology Research, Statens Serum Institut, Copenhagen, Denmark.
Marin Strøm
Sjurdur F Olsen
Ekaterina Maslova
Panu Rantakokko
Hannu Kiviranta
Dorte Rytter
Bodil H Bech
Linda V Hansen
Thorhallur I Halldorsson
Statens Serum Institut · DKFinnish Institute for Health and Welfare · FI

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundPrevious findings suggest that developmental exposures to persistent organochlorine pollutants (POPs) may be detrimental for the development of the immune system in the offspring. Whether these suspected immunoregulatory effects persist beyond early childhood remains unclear.

objectivesThe objective of this study was to evaluate the association between maternal serum concentrations of POPs and the risk of asthma in offspring after 20 years of follow-up.

methodsA birth cohort with 965 women was formed in 1988-1989 in Aarhus, Denmark. Concentrations of six polychlorinated biphenyls (PCBs) (congeners 118, 138, 153, 156, 170, 180), hexachlorobenzene (HCB), and dichlorodiphenyldichloroethylene (p,p´-DDE) were quantified in maternal serum (n=872) collected in gestation week 30. Information about offspring use of asthma medications was obtained from the Danish Registry of Medicinal Product Statistics.

resultsMaternal serum concentrations of HCB and dioxin-like PCB-118 were positively associated with offspring asthma medication use after 20 years of follow-up (p for trend<0.05). Compared with subjects in the first tertile of maternal concentration, those in the third tertile of PCB-118 had an adjusted hazard ratio (HR) of 1.90 (95% CI: 1.12, 3.23). For HCB the HR for the third versus the first tertile of maternal concentration was 1.92 (95% CI: 1.15, 3.21). Weak positive associations were also estimated for PCB-156 and the non-dioxin-like PCBs (PCBs 138, 153, 170, 180). No associations were found for p,p´-DDE.

conclusionsMaternal concentrations of PCB-118 and HCB were associated with increased risk of asthma in offspring followed through 20 years of age.

Indexed as

AdultDenmarkDichlorodiphenyl DichloroethyleneFemaleHexachlorobenzeneHumansHydrocarbons, ChlorinatedInfant, NewbornPolychlorinated BiphenylsPolychlorinated DibenzodioxinsPregnancyProspective StudiesYoung Adult2,3,3',4,4',5-hexachlorobiphenyl2,3',4,4',5-pentachlorobiphenylDichlorodiphenyl DichloroethyleneHexachlorobenzeneHydrocarbons, ChlorinatedPolychlorinated BiphenylsPolychlorinated Dibenzodioxins

Identifiers

PMID24162035
PMCPMC3888563
OpenAlexW2166956685

What OpenQuestion holds

Textmetadata
LicenceCC0
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.