Evidence map›Paper›PMID 42270650›Full record

Trial reportNature communications2026

Effects of cooking with liquefied petroleum gas versus biomass on hemoglobin concentrations in pregnant women: a pre-specified exploratory analysis of the HAPIN trial.

Sheela S Sinharoy, Wenlu Ye, Ajay Pillarisetti, Sant-Rayn Pasricha, Lisa M Thompson, Anaite Diaz-Artiga, Usha Ramakrishnan, Ghislaine Rosa, Maggie L Clark, Dana Boyd Barr and 10 more

Registry-linked trialAbstract readRandomized Controlled Trial
PubMed Full text at PMC Publisher
In one paragraph

Trial report in Nature communications, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT02944682 (Household Air Pollution and Health), which is not on this map. Not yet cited in PubMed.

0numbers the graph read from it
0cells of the map it votes in
0citing 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.

NCT02944682 nacompletednot on this map

Household Air Pollution and Health: A Multi-country LPG Intervention Trial

TypeinterventionalSponsorEmory UniversityRan2017 to 2025Enrolled3,640ConditionsInfant, Low Birth WeightArmsLiquefied petroleum gas (LPG) cookstove
3 · Its place in the literature

Who cites it

0 citing papers in PubMed.

No citing paper in PubMed yet.

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

20 authors.

Sheela S Sinharoy *Hubert Department of Global Health, Rollins School of Public Health, Emory University, Atlanta, GA, USA. sheela.sinharoy@emory.edu.ORCID 0000-0003-3077-3824
Wenlu Ye *Division of Environmental Health Sciences, University of California at Berkeley, Berkeley, California, USA.
Ajay PillarisettiDivision of Environmental Health Sciences, University of California at Berkeley, Berkeley, California, USA.ORCID 0000-0003-0518-2934
Sant-Rayn PasrichaPopulation Health and Immunity Division, The Walter and Eliza Hall Institute (WEHI), Melbourne, Australia.ORCID 0000-0002-5502-0434
Lisa M ThompsonSchool of Nursing, University of California San Francisco, San Francisco, CA, USA.ORCID 0000-0002-8001-2057
Anaite Diaz-ArtigaCenter for Health Studies, Universidad del Valle de Guatemala, Guatemala City, Guatemala.ORCID 0000-0002-2508-8710
Usha RamakrishnanHubert Department of Global Health, Rollins School of Public Health, Emory University, Atlanta, GA, USA.
Ghislaine RosaPublic Health, Policy & Systems, University of Liverpool, Liverpool, United Kingdom.
Maggie L ClarkDepartment of Environmental and Radiological Health Sciences, Colorado State University, Fort Collins, CO, USA.
Dana Boyd BarrGangarosa Department of Environmental Health, Rollins School of Public Health, Emory University, Atlanta, GA, USA.
Vigneswari AravindalochananDepartment of Environmental Health Engineering, Sri Ramachandra Institute of Higher Education and Research, Chennai, Tamil Nadu, India.ORCID 0000-0001-5722-8741
Kyle SteenlandGangarosa Department of Environmental Health, Rollins School of Public Health, Emory University, Atlanta, GA, USA.ORCID 0000-0001-7873-4678
Shirin JabbarzadehDepartment of Biostatistics and Bioinformatics, Rollins School of Public Health, Emory University, Atlanta, GA, USA.ORCID 0009-0008-2096-2430
Lindsay J UnderhillWashington University School of Medicine, Washington University in St Louis, St Louis, MO, USA.
Miles A KirbyDepartment of Global Health and Population, Harvard T.H. Chan School of Public Health, Boston, MA, USA.
Amy E LovvornGangarosa Department of Environmental Health, Rollins School of Public Health, Emory University, Atlanta, GA, USA.
William CheckleyDivision of Pulmonary and Critical Care, School of Medicine, Johns Hopkins University, Baltimore, MD, USA.ORCID 0000-0003-1106-8812
Jennifer L PeelDepartment of Environmental and Radiological Health Sciences, Colorado State University, Fort Collins, CO, USA.
Thomas F ClasenGangarosa Department of Environmental Health, Rollins School of Public Health, Emory University, Atlanta, GA, USA.
HAPIN investigators

Funding

Household Air Pollution and Health: A Multi-Country LPG Intervention TrialUM1HL134590 · NHLBI · EMORY UNIVERSITY · PI CHECKLEY, WILLIAM, CLASEN, THOMAS F · 2016 to 2021
$31.1M
Bill and Melinda Gates Foundation (Bill & Melinda Gates Foundation) OPP1131279NHLBI NIH HHS UM1 HL134590U.S. Department of Health & Human Services | National Institutes of Health (NIH) 1UM1HL134590
6 · The paper itself

Abstract

Evidence linking household air pollution exposure and blood hemoglobin concentration is lacking. We examine the effect of a liquefied petroleum gas cookstove and fuel intervention on hemoglobin concentration, along with associations between household air pollution exposures and hemoglobin concentration, among pregnant women. We enroll 800 pregnant women each in Guatemala, Peru, India, and Rwanda in an open-label randomized controlled trial (NCT02944682). In 3178 women (intervention=1585; control=1593), we measure hemoglobin concentration and 24-hour personal exposure to particulate matter with an aerodynamic diameter ≤2.5μm (PM

Indexed as

Air Pollution, IndoorBiomassCookingHemoglobinsPetroleumAdultCarbon MonoxideFemaleGuatemalaHumansIndiaParticulate MatterPeruPregnancyRwandaYoung AdultCarbon MonoxideHemoglobinsParticulate MatterPetroleum

Identifiers

PMID42270650
PMCPMC13402313

What OpenQuestion holds

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Registered trials

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.