Evidence map›Paper›PMID 36798733›Full record

ArticleEnergy for sustainable development : the journal of the International Energy Initiative2023

Sustained use of liquefied petroleum gas following one year of free fuel and behavioral support in Puno, Peru.

Kendra N Williams, Josiah L Kephart, Magdalena Fandiño-Del-Rio, Laura Nicolaou, Kirsten Koehler, Steven A Harvey, William Checkley, Cardiopulmonary outcomes and Household Air Pollution trial investigators

Abstract read
PubMed Full text at PMC Publisher
In one paragraph

Article in Energy for sustainable development : the journal of the International Energy Initiative, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.

0numbers the graph read from it
0cells of the map it votes in
1citing 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

1 citing paper in PubMed.

  1. Voucher-based liquefied petroleum gas subsidies achieve nearly exclusive clean fuel use when affordable delivery is available.Energy for sustainable development : the journal of the International Energy Initiative · 2025
    Article
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

8 authors.

Kendra N WilliamsDivision of Pulmonary and Critical Care Medicine, School of Medicine, Johns Hopkins University, Baltimore, MD, USA.
Josiah L KephartCenter for Global Non-Communicable Disease Research and Training, School of Medicine, Johns Hopkins University, Baltimore, MD, USA.
Magdalena Fandiño-Del-RioCenter for Global Non-Communicable Disease Research and Training, School of Medicine, Johns Hopkins University, Baltimore, MD, USA.
Laura NicolaouDivision of Pulmonary and Critical Care Medicine, School of Medicine, Johns Hopkins University, Baltimore, MD, USA.
Kirsten KoehlerDepartment of Environmental Health and Engineering, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, MD, USA.
Steven A HarveyDepartment of International Health, Social and Behavioral Interventions Program, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, MD, USA.
William CheckleyDivision of Pulmonary and Critical Care Medicine, School of Medicine, Johns Hopkins University, Baltimore, MD, USA.
Cardiopulmonary outcomes and Household Air Pollution trial investigators

Funding

MULTIDISCIPLINARY TRAINING PROGRAM IN LUNG DISEASEST32HL007534 · NHLBI · JOHNS HOPKINS UNIVERSITY · PI Nadia N Hansel, Larissa A. Shimoda · 1985 to 2026
$28.3M
Traning Program in Environmental Health SciencesT32ES007141 · NIEHS · JOHNS HOPKINS UNIVERSITY · PI Marsha Wills-Karp · 1985 to 2026
$22.2M
UJMT – ORWH – Gazzetta, Issa-BoubeD43TW009340 · FIC · UNIV OF NORTH CAROLINA CHAPEL HILL · PI William Checkley, Benjamin H. Chi · 2017 to 2026
$14.8M
Building U.S. Research Capacity Through International Environmental Health Science on Air Pollution, Cardiorespiratory Disease, and Alzheimer’s Disease (Research U01)U01TW010107 · FIC · UNIVERSIDAD PERUANA CAYETANO HEREDIA · PI William Checkley, Stella Maria Hartinger · 2015 to 2026
$3.5M
GEOHealth Hub Peru: Building U.S. Research Capacity Through International Environmental Health Science on Air Pollution, Cardiorespiratory Disease, and Alzheimer’s Disease (Research Training U2R)U2RTW010114 · FIC · EMORY UNIVERSITY · PI William Checkley, Stella Maria Hartinger · 2015 to 2026
$3.3M
FIC NIH HHS D43 TW009340FIC NIH HHS U01 TW010107FIC NIH HHS U2R TW010114NCIPC CDC HHS UF2 CE002402NHLBI NIH HHS T32 HL007534NIEHS NIH HHS T32 ES007141
6 · The paper itself

Abstract

Background: Existing efforts to promote cleaner fuels have not achieved exclusive use. We investigated whether receiving 12 months of free liquefied petroleum gas (LPG) and behavioral support could motivate continued purchase and use. Methods: The Cardiopulmonary outcomes and Household Air Pollution (CHAP) trial enrolled 180 women. Half were randomly assigned to an intervention group, which included free LPG delivered in months 1-12 followed by a post-intervention period in which they no longer received free fuel (months 13-24). For the purposes of comparison, we also include months 1-12 of data from control participants. We tracked stove use with temperature monitors, surveys, and observations, and conducted in-depth interviews with 19 participants from the intervention group at the end of their post-intervention period. Results: Participants from the intervention group used their LPG stove for 85.4 % of monitored days and 63.2 % of cooking minutes during the post-intervention months (13-24) when they were not receiving free fuel from the trial. They used a traditional stove ( Conclusion: A 12-month period of intensive LPG support achieved a high level of sustained LPG use post-intervention, but other strategies are needed to sustain exclusive use.

Indexed as

Clean cookingHousehold air pollutionHousehold energyLiquefied petroleum gas (LPG)Mixed methods researchSustainability

Identifiers

PMID36798733
PMCPMC9928150

What OpenQuestion holds

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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.