NCT06942715|Recruiting
Applied Implementation Research for Clean Cooking in Cambodia
AIR-C3
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AIR-C3
Sponsor study identifier
Secondary identifiers
OTHER · Emory IRB
interventional
6,150
1 country
1
Study Start
October 13, 2025
Actual (reported)Primary Completion
December 2028
EstimatedPlanned date reported by the registry; this milestone is not confirmed as achieved.
Study Completion
May 2029
EstimatedPlanned date reported by the registry; this milestone is not confirmed as achieved.
The goal of this study is to learn how to help families in Cambodia switch to using electric induction stoves instead of traditional stoves that burn wood or charcoal. The study will also look at whether this switch is safe, affordable, and sustainable over time. The main questions researchers want to answer are:
Registry-reported information. Elapsed time and enrollment totals alone do not measure study progress or recruitment pace.
May 2029
EstimatedPlanned date reported by the registry; this milestone is not confirmed as achieved.
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Some registry-reported names shown below are not yet linked in this graph.
Dates and qualifiers reported by the registry. Estimated dates do not confirm that a milestone has occurred.
March 24, 2025
Actual (reported)April 24, 2025
Actual (reported)October 13, 2025
Actual (reported)December 2028
EstimatedPlanned date reported by the registry; this milestone is not confirmed as achieved.
May 2029
EstimatedPlanned date reported by the registry; this milestone is not confirmed as achieved.
Induction cookstove purchase: Proportion of households that purchase an induction stove
Purchase will be defined as the acquisition of an induction stove during the trial period, as reported in household surveys and verified through study-linked sales records matched to household study IDs. The outcome will be calculated as the number of participating households with a confirmed induction stove acquired divided by the total number of households in each village. Results will be reported overall and stratified by household poverty status, verified by the Cambodian Government (IDPoor status).
Endline, 18-30 months post-intervention
Disuse of biomass fuels: Proportion of meals cooked without biomass fuels
Disuse will be defined as the reduction in biomass fuel use for cooking, measured as the proportion of meals cooked without biomass fuels (e.g., firewood and charcoal) during a defined recent reference period, as reported in household surveys. Results will be reported overall and stratified by household poverty status.
Endline, 18-30 months post-intervention
Induction stove use: Daily electricity consumption of cooking events
Up to 30 months following stove purchase
Induction cookstove use: Number of daily cooking events
Up to 30 months following stove purchase
Induction cookstove use: Duration of daily cooking
Up to 30 months following stove purchase
Clean stove stacking patterns: Proportion of monitored days with no biomass stove use
Daily over a 1-week period, 6-8 weeks following stove purchase
Household air pollution: Personal exposure to fine particulate matter (PM2.5) and black carbon among primary cooks
24-hour measurement, 6-8 weeks following stove purchase
Reach: Number and proportion of households reached by implementation strategies
Throughout implementation and summarized at endline, 18-30 months post-intervention
Organizational adoption of implementation strategies
Throughout implementation and summarized at endline, 18-30 months post-intervention
Implementation fidelity (including adaptations)
Throughout implementation and summarized at endline, 18-30 months post-intervention
The implementation strategy consists of community-based demand generation and behavior change communication activities, including village meetings, cooking and stove demonstrations, and locally appropriate communication materials designed to build awareness, trust, and confidence in induction cooking
The implementation strategy encompasses community-based demand generation and behavior change communication, complemented by personalized direct sales engagement. Trained sales agents conduct door-to-door and small-group visits, provide tailored sales pitches and demonstrations, respond to questions, and facilitate stove purchases.
The intervention consists of high-quality, locally available electric induction cookstoves with two burners, each equipped with cloud-connected data loggers, and includes compatible cookware.
Registry-reported names are shown in full. Names without a link have not yet been matched to a Syfrah profile.
International Development Enterprises: iDE
Kampong Speu, Kampong Speu Province, Cambodia
Matthew Freeman, PhD
Rollins School of Public Health
First Submitted
March 24, 2025
First Posted
April 24, 2025
Study Start
October 13, 2025
Actual (reported)Primary Completion
December 2028
The implementation strategy includes community-based demand generation and behavior change communication, paired with financial support through stove subsidies. Subsidies include a lower-value subsidy available to early non-poor purchasers and a higher-value subsidy targeted to households classified as poor or at-risk.
The implementation strategy includes community-based demand generation and behavior change communication, personalized direct sales engagement, and financial support through stove subsidies. Sales agents provide household-level engagement and facilitate purchases, while subsidies improve affordability through both lower-value and targeted higher-value support.
Control Villages assigned to the control arm will receive no study intervention during the trial period.
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Planned date reported by the registry; this milestone is not confirmed as achieved.
Study Completion
May 2029
EstimatedPlanned date reported by the registry; this milestone is not confirmed as achieved.
Last Updated
April 3, 2026
Record last verified: 2026-03
All de-identified individual participant data collected during the trial. Data sharing will comply with ethical standards and privacy regulations, ensuring individual participant confidentiality is maintained. All necessary metadata, tools, and statistical code needed to validate and replicate the findings will be publicly accessible. This includes documentation of the methods used, data collection procedures, and specific parameters for the analysis.
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Source: ClinicalTrials.gov.
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