Personalised Air Quality feedback and financial support to promote cleaner cooking and reduce Indoor Air pollution among households: A 25-week community trial in Mbalmayo, Cameroon.

Effectiveness of Personalised Indoor Air Pollution Information compared to General Health Information on Household LPG Adoption and Indoor PM2.5 Reduction among biomass-dependent households. A 25-week Randomised field trial conducted in the Mbalmayo Community, Cameroon.

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

PACTR

Registry ID

PACTR202607706610353

Enrollment

Registered

2026-07-23

Start date

2026-08-10

Completion date

Unknown

Last updated

2026-09-14

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

Conditions

Respiratory Indoor Particulate Matter 2.5 reduction

Interventions

Personalized Indoor Air Quality Information and LPG Voucher support

General Indoor Air Pollution Health Information with LPG Voucher Support

Control

Eligibility

Sex/Gender

Female

Inclusion criteria

Inclusion criteria: Households located within the selected study site and communities Households with the principal cook aged above 25years Households that exclusively use Biomass for cooking Household who are willing to have an air quality monitoring device installed in their cooking area

Exclusion criteria

Exclusion criteria: Households already using LPG or other clean cooking technologies Households currently participating in another intervention or study on clean cooking Households in which the head of the house or main cook is a smoker

Design outcomes

Primary

Measure	Time frame
Change in indoor PM2.5 concentration (µg/m³) between baseline and end-line, measured using PurpleAir low-cost PM2.5 sensors installed in the household cooking area;LPG adoption intensity. Proportion of cooking events conducted using LPG at endline, measured by self-reported fuel use diary and structured questionnaire.	—

Secondary

Measure	Time frame
Change in self-reported respiratory symptoms and health outcomes between baseline and endline, measured using a respiratory symptom questionnaire;Change in behavioural resistance and risk perception score between baseline and end-line	—

Countries

Cameroon

Contacts

Public ContactTafon Princewill

Health Economist

tafonprincewill@yahoo.com+237676032670

Outcome results

None listed

Source: PACTR (via WHO ICTRP) · Data processed: Sep 19, 2026