Evidence map›Paper›PMID 34112114›Full record

ArticleBMC public health2021

Trends in infants born at low birthweight and disparities by maternal race and education from 2003 to 2018 in the United States.

Elizabeth A Pollock, Keith P Gennuso, Marjory L Givens, David Kindig

Abstract read
In one paragraph

Article in BMC public health, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 18 papers.

0numbers the graph read from it
0cells of the map it votes in
18citing papers in PubMed
–field-weighted citation impact
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

18 citing papers in PubMed.

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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

4 authors.

Elizabeth A PollockUniversity of Wisconsin Population Health Institute, University of Wisconsin Madison School of Medicine and Public Health, 610 N Walnut Street, Madison, WI, 53726, USA. Elizabeth.Pollock@chrr.wisc.edu.ORCID 0000-0003-0405-6151
Keith P GennusoUniversity of Wisconsin Population Health Institute, University of Wisconsin Madison School of Medicine and Public Health, 610 N Walnut Street, Madison, WI, 53726, USA.
Marjory L GivensUniversity of Wisconsin Population Health Institute, University of Wisconsin Madison School of Medicine and Public Health, 610 N Walnut Street, Madison, WI, 53726, USA.
David KindigUniversity of Wisconsin Population Health Institute, University of Wisconsin Madison School of Medicine and Public Health, 610 N Walnut Street, Madison, WI, 53726, USA.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundUnderstanding current levels, as well as past and future trends, of the percentage of infants born at low birthweight (LBW) in the United States is imperative to improving the health of our nation. The purpose of this study, therefore, was to examine recent trends in percentage of LBW, both overall and by maternal race and education subgroups. Studying disparities in percentage of LBW by these subgroups can help to further understand the health needs of the population and can inform policies that can close race and class disparities in poor birth outcomes.

methodsTrends of percentage of LBW in the U.S. from 2003 to 2018, both overall and by race/ethnicity, and from 2007 to 2018 by education and race by education subgroups were analyzed using CDC WONDER Natality data. Disparities were analyzed using between group variance methods.

resultsPercentage of LBW experienced a significant worsening in the most recent 5 years of data, negating nearly a decade of prior improvement. Stark differences were observed by race/ethnicity and by education, with all subgroups experiencing increasing rates in recent years. Disparities also worsened over the course of study. Most notably, all disparities increased significantly from 2014 to 2018, with annual changes near 2-5%.

conclusionsRecent reversals in progress in percentage of LBW, as well as increasing disparities particularly by race, are troubling. Future study is needed to continue monitoring these trends and analyzing these issues at additional levels. Targets must be set and solutions must be tailored to population subgroups to effectively make progress towards equitable birth outcomes and maternal health.

Indexed as

Infant, Low Birth WeightParturitionBirth WeightEducational StatusEthnicityFemaleHumansInfantInfant, NewbornPregnancyUnited StatesEducationHealth disparitiesLow birthweightRaceTrend analysisUnited States

Identifiers

PMID34112114
PMCPMC8193881

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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.