Evidence map›Paper›PMID 34148221›Full record

ArticleMaternal and child health journal2022

The Index of Concentration at the Extremes (ICE) and Pregnancy-Associated Mortality in Louisiana, 2016-2017.

Lauren Dyer, Brittany D Chambers, Joia Crear-Perry, Katherine P Theall, Maeve Wallace

Abstract read
In one paragraph

Article in Maternal and child health journal, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 35 papers, 4 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
35citing papers in PubMed, 4 pooled it
–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

35 citing papers in PubMed, 4 syntheses or guidelines pooled it.

  1. Pooled it
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  3. Pooled it
  4. Pooled it
  5. Article
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  7. Racialized Economic Segregation and Disparities in the Risk of Stillbirth.Journal of racial and ethnic health disparities · 2026
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  15. Measuring Spatial Social Polarization in Public Health Research: A Scoping Review of Methods and Applications.Journal of urban health : bulletin of the New York Academy of Medicine · 2025
    Article
  16. Article
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  19. Place-Based Differences in the Association Between Greenspace and Suicide-Related Outcomes Among Young People.The Journal of adolescent health : official publication of the Society for Adolescent Medicine · 2024
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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

5 authors.

Lauren DyerDepartment of Social, Behavioral, and Population Sciences, Mary Amelia Women's Center, Tulane University School of Public Health and Tropical Medicine, 1440 Canal St., New Orleans, LA, 70112, USA. ldyer3@tulane.edu.ORCID http://orcid.org/0000-0002-1536-8006
Brittany D ChambersSchool of Medicine, Epidemiology and Biostatistics, University of San Francisco, 550 16th St., San Francisco, CA, 94158, USA.
Joia Crear-PerryNational Birth Equity Collaborative, 4747 Earhart Blvd, New Orleans, LA, USA.
Katherine P TheallDepartment of Social, Behavioral, and Population Sciences, Mary Amelia Women's Center, Tulane University School of Public Health and Tropical Medicine, 1440 Canal St., New Orleans, LA, 70112, USA.
Maeve WallaceDepartment of Social, Behavioral, and Population Sciences, Mary Amelia Women's Center, Tulane University School of Public Health and Tropical Medicine, 1440 Canal St., New Orleans, LA, 70112, USA.

Funding

State-level Variation in Maternal MortalityR01HD096070 · NICHD · UNIVERSITY OF ARIZONA · PI WALLACE, MAEVE E · 2018 to 2025
$2.2M
Pregnancy-Associated MortalityR01HD092653 · NICHD · TULANE UNIVERSITY OF LOUISIANA · PI WALLACE, MAEVE E · 2018 to 2022
$1.6M
National Institute of Child Health and Human Development R01HD092653; R01HD096070NICHD NIH HHS R01 HD092653NICHD NIH HHS R01 HD096070
6 · The paper itself

Abstract

objectivesSocial and contextual factors underlying the continually disproportionate and burdensome risk of adverse health outcomes experienced by Black women in the US are underexplored in the literature. The aim of this study was to use an index based on area-level population distributions of race and income to predict risk of death during pregnancy and up to 1 year postpartum among women in Louisiana.

methodsUsing vital records data provided by the Louisiana Department of Health 2016-2017 (n = 125,537), a modified Poisson model was fit with generalized estimating equations to examine the risk of pregnancy-associated death associated with census tract-level values of the Index of Concentration at the Extremes (ICE)-grouped by tertile-while adjusting for both individual and tract-level confounders.

resultsAnalyses resulted in an estimated 1.73 (95% CI 1.02-2.93) times increased risk for pregnancy-associated death for those in areas which were characterized by concentrated deprivation (high proportions of Black and low-income residents) relative to those in areas of concentrated privilege (high proportions of white and high-income residents), independent of other factors. CONCLUSIONS FOR PRACTICE: In addition to continuing to consider the deeply entrenched racism and economic inequality that shape the experience of pregnancy-associated death, we must also consider their synergistic effect on access to resources, maternal population health, and health inequities.

Indexed as

Maternal MortalityFemaleHumansIncomeLouisianaPostpartum PeriodPovertyPregnancyRacismIndex of Concentration at the Extremes (ICE)Maternal healthMaternal mortalityStructural racism

Identifiers

PMID34148221
PMCPMC8684557

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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.