AIM to Improve Asthma: Airflow Improvements During Meal-Prep

NCT ID: NCT04464720

Last Updated: 2024-10-17

Basic Information

• Recruitment Status: COMPLETED
• Clinical Phase: NA
• Total Enrollment: 19 participants
• Study Classification: INTERVENTIONAL
• Study Start Date: 2021-05-24
• Study Completion Date: 2022-12-30

Brief Summary

The investigators propose a pilot trial of kitchen ventilation in the homes of children using a youth engaged research strategy.

Detailed Description

In this trial of children ages 6-12, children and their households will receive an intensive home kitchen ventilation intervention after one week of baseline data collection. The intervention includes education regarding improving ventilation in their homes during cooking and replacement of their range hood if it has inadequate flow or an intolerable noise level. During baseline data collection periods the households will be encouraged to continue their regular cooking patterns. The investigators will measure home particulate matter <2.5 microns (PM2.5) and nitrogen dioxide (NO2) levels for one week at baseline, and a final week after all remaining families receive the cooking ventilation intervention, to assess for changes within each household. The investigators will also examine changes in airways inflammation (as measured by the exhaled fraction of nitric oxide, FeNO), lung function (as measured by spirometry), and reported symptoms after the baseline and intervention period. Members of the research team have successfully conducted youth participatory action research in the low-income, high asthma prevalence community of Richmond, California (CA) as well as extensive youth participatory action research on other environmental health concerns in the low income city of Salinas, CA; using a similar model, the investigators aim to teach research methods to a new group of Richmond youth.

Conditions

Asthma in Children; Pollution; Exposure

Study Design

• Allocation Method: NA
• Intervention Model: SINGLE_GROUP
• Primary Study Purpose: PREVENTION
• Blinding Strategy: NONE

Study Groups

Intervention after One Week

This arm will have baseline data on air pollutant levels, stove use and range hood use collected for one week prior to receiving an educational intervention aimed at increasing use of the range hood. Data following the intervention will be collected for an additional week.

Group Type: OTHER

Cooking Ventilation Intervention

Intervention Type: BEHAVIORAL

An educational video presentation for the families regarding the importance of ventilation use during and after cooking, and strategies for improving the ventilation during cooking, has been created by Dr. Holm, with input from Youth Research Assistants (YRAs) The youth involvement will help to ensure that the information is presented in a way that will resonate with the local community and will also provide the youth with exposure to developing health education tools. The educational video will be shown to families at the time of the intervention visit and they will receive printed reminder materials of what they have learned.

Interventions

Cooking Ventilation Intervention

An educational video presentation for the families regarding the importance of ventilation use during and after cooking, and strategies for improving the ventilation during cooking, has been created by Dr. Holm, with input from Youth Research Assistants (YRAs) The youth involvement will help to ensure that the information is presented in a way that will resonate with the local community and will also provide the youth with exposure to developing health education tools. The educational video will be shown to families at the time of the intervention visit and they will receive printed reminder materials of what they have learned.

Intervention Type: BEHAVIORAL

Eligibility Criteria

Inclusion Criteria

• Household has a gas stove
• Household has a range hood that vents to the outdoors
• Household in Richmond or San Pablo

Exclusion Criteria

• Child has other significant medical illnesses (e.g. prematurity, diabetes)
• living with a smoker who smokes indoors
• family knows they will not have stable housing for the period of the study
• Parent is not fluent in English.

• Minimum Eligible Age: 6 Years
• Maximum Eligible Age: 12 Years
• Eligible Sex: ALL
• Accepts Healthy Volunteers: No

Sponsors

National Institute of Environmental Health Sciences (NIEHS)

NIH

Sponsor Role: collaborator

University of California, Berkeley

OTHER

Sponsor Role: lead

Responsible Party

Responsibility Role: SPONSOR

Principal Investigators

John R Balmes, MD

Role: PRINCIPAL_INVESTIGATOR

University of California, Berkeley

Locations

University of California Berkeley

Berkeley, California, United States

Countries

United States

References

Holm SM, Singer BC, Kang Dufour MS, Delp W, Nolan JES, Bueno de Mesquita PJ, Ward B, Williamson Y, Le O, Russell ML, Harley KG, Balmes JR. Measured air quality impacts after teaching parents about cooking ventilation with a video: a pilot study. J Expo Sci Environ Epidemiol. 2025 Apr;35(2):223-232. doi: 10.1038/s41370-024-00730-6. Epub 2024 Nov 9.

Reference Type: DERIVED

PMID: 39521897 (View on PubMed)

Provided Documents

Document Type: Study Protocol

View Document

Document Type: Statistical Analysis Plan

View Document

Other Identifiers

R21ES030173

Identifier Type: NIH

Identifier Source: secondary_id

View Link

2018-01-10615

Identifier Type: -

Identifier Source: org_study_id