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Research on Emissions, Air Quality, Climate and Cooking Technologies in Northern Ghana

Research on Emissions, Air Quality, Climate and Cooking Technologies in Northern Ghana

Status
Completed
Phases
NA
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT04633135
Acronym
REACCTING
Enrollment
200
Registered
2020-11-18
Start date
2012-01-01
Completion date
2017-12-31
Last updated
2020-11-18

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Growth Retardation, Inflammation

Brief summary

REACCTING (Research on Emissions, Air quality, Climate, and Cooking Technologies in Northern Ghana) is an interdisciplinary randomized cookstove intervention study in the Kassena-Nankana District of Northern Ghana. The study tests two types of biomass burning stoves that have the potential to meet local cooking needs and represent different rungs in the cookstove technology ladder: a locally-made, low-tech Gyapa rocket stove and the imported, highly efficient Philips gasifier stove. Intervention households were randomized into four different groups, three of which received different combinations of two improved stoves, while the fourth group serves as a control for the duration of the study. Diverse measurements assess different points along the causal chain linking the intervention to final outcomes of interest. The investigators assess stove use and cooking behavior, cooking emissions, household air pollution and personal exposure, health burden, and local to regional air quality. Integrated analysis and modeling will tackle a range of interdisciplinary science questions, including examining ambient exposures among the regional population, assessing how those exposures might change with different technologies and behaviors, and estimating the comparative impact of local behavior and technological changes versus regional climate variability and change on local air quality and health outcomes.

Interventions

DEVICEPhilips stove

Philips Smokeless stove HD4012LS

DEVICEGyapa stove

Wood stove made in Ghana

Sponsors

Environmental Protection Agency (EPA)
CollaboratorFED
U.S. National Science Foundation
CollaboratorFED
University of Colorado, Boulder
Lead SponsorOTHER

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
BASIC_SCIENCE
Masking
NONE

Intervention model description

There were 4 groups, 3 intervention and 1 control, all operating over the same period.

Eligibility

Sex/Gender
ALL
Age
0 Years to 55 Years
Healthy volunteers
Yes

Inclusion criteria

Inclusion Individual Participants: * Classified as rural * Uses biofuel as main cooking fuel source (firewood, animal waste, crop residue/sawdust) * Uses borehole as main water source (to facilitate social network analysis linking household's knowledge and attitudes toward stoves to experience of social contacts); * Does not have electricity (to permit possible addition of lighting intervention at a later date); * Has a woman in household aged 18-55 and at least one child under five (since women and children are the most vulnerable to cookstove smoke and are thus the main focus of our health measures). Clusters: * No more than 25% classified as urban * Accessible year-round (determined by field staff) * Having at least 10 eligible households (in line with the participant criteria above) Exclusion: * Household could not be located * Household declined to participate

Design outcomes

Primary

MeasureTime frameDescription
Health (Biomarkers of inflammation)At baselineHealth indicators from blood spot samples (C-Reactive Protein, Sicam, sVCAM, serum amyloid A, Interleukin-1b, Interleukin-6, Interleukin-8, tumor necrosis factor alpha).
HeightAt baselineHeight of participants
WeightAt baselineWeight of participants
Mid-arm circumferenceAt baselineMeasurement of mid-upper arm circumference of participants

Secondary

MeasureTime frameDescription
Self-reported stove usageAt baselineSurveys administered to respondents (primary cooks)
Personal exposure to fine particulate matter (PM2.5)48 hour deployment periods48 hour integrated personal PM2.5 concentrations from filter measurements
Stove usage as measured by devicesThroughout data collection period, approximately 2 years.Continuous stove usage indicators as measured by temperature loggers on stoves
Personal exposure to carbon monoxide (CO)48 hour deployment periodsDaily average and integrated personal CO concentrations
Kitchen area concentrations of carbon monoxide (CO)48 hour deployment periodsDaily average and integrated kitchen area CO concentrations
Kitchen area concentrations of fine particulate matter (PM2.5)48 hour deployment periods48 hour integrated kitchen area PM2.5 concentrations from filter measurements

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 20, 2026