Trial reportHypertension (Dallas, Tex. : 1979)2022
Effects of a Liquefied Petroleum Gas Stove Intervention on Gestational Blood Pressure: Intention-to-Treat and Exposure-Response Findings From the HAPIN Trial.
Trial report in Hypertension (Dallas, Tex. : 1979), 2022. 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. Cited by 17 papers.
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.
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.
Household Air Pollution and Health: A Multi-country LPG Intervention Trial
Who cites it
17 citing papers in PubMed, 23 citations in OpenAlex.
- Effects of cooking with liquefied petroleum gas versus biomass on hemoglobin concentrations in pregnant women: a pre-specified exploratory analysis of the HAPIN trial.Nature communications · 2026Trial
- Household air pollution exposures over pregnancy and maternal blood pressure trajectories through 8 years postpartum: Evidence from the Ghana Randomized Air Pollution and Health Study (GRAPHS).Environmental research · 2026Trial
- Early life cookstove interventions and children's blood pressure: Evidence from the Ghana randomized air pollution and health study.Environmental research · 2025Trial
- Household air pollution and blood pressure among adult women participants of the Household Air Pollution Intervention Network Trial: An exposure-response analysis.Environmental research · 2025Trial
- Effects of a liquefied petroleum gas stove and fuel intervention on head circumference and length at birth: A multi-country household air pollution intervention network (HAPIN) trial.Environment international · 2025Trial
- Prenatal Household Air Pollution Exposure and Childhood Blood Pressure in Rural Ghana.Environmental health perspectives · 2024Trial
- Prevalence of hypertension and cross-sectional associations between household air pollution exposure and blood pressure among children in rural Rwanda.Environmental research, health : ERH · 2026Article
- Association between charcoal cooking fuel and cardiovascular disease prevalence in Haiti: a cross-sectional analysis.Environmental health : a global access science source · 2026Article
- Article
- How Do Household Energy Transitions Work?Research report (Health Effects Institute) · 2025Article
- Predictors of Personal Exposure to Fine Particulate Matter, Black Carbon, and Carbon Monoxide among Pregnant Women in Rwanda: Baseline Data from the HAPIN Trial.Journal of health & pollution · 2025Article
- Liquefied Petroleum Gas or Biomass for Cooking and Effects on Blood Pressure: Results from the Household Air Pollution Intervention Network (HAPIN) Trial.medRxiv : the preprint server for health sciences · 2025Article
- Association of a cleaner-burning stove with blood pressure in adults in rural Malawi.PloS one · 2025Article
- Comparing Performance and Reliability of Collocated Enhanced Children's MicroPEM (ECM) on Gravimetric and Nephelometric PMIndoor air · 2025Article
- Prevalence of Cooking with Polluting Fuels and Association with Elevated Blood Pressure Among Adults in Port au Prince, Haiti: A Cross-Sectional Analysis.Global heart · 2025Article
- Effects of a coal to clean heating policy on acute myocardial infarction in Beijing: a difference-in-differences analysis.The Lancet. Planetary health · 2024Article
- Randomized trial in rural Native American homes heated with wood stoves: results from the EldersAIR study.Air quality, atmosphere, & health · 2024Article
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
22 authors at 13 institutions in 7 countries.
Funding
Abstract
backgroundApproximately 3 to 4 billion people worldwide are exposed to household air pollution, which has been associated with increased blood pressure (BP) in pregnant women in some studies.
methodsWe recruited 3195 pregnant women in Guatemala, India, Peru, and Rwanda and randomly assigned them to intervention or control groups. The intervention group received a gas stove and fuel during pregnancy, while the controls continued cooking with solid fuels. We measured BP and personal exposure to PM
resultsMedian 24-hour PM
conclusionsIn intention-to-treat, we found higher gestational BP in the intervention group compared with controls, contrary to expected. In exposure-response analyses, we found a slight increase in BP with higher exposure, but it was not statistically significant. Overall, an intervention with gas stoves did not markedly affect gestational BP.
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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.