Home Air Quality Impact for Adults With Asthma

Study Results

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Basic Information

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Recruitment Status

COMPLETED

Total Enrollment

64 participants

Study Classification

OBSERVATIONAL

Study Start Date

2022-03-30

Study Completion Date

2024-02-28

Brief Summary

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The purposes of this study are to determine the practicality of using home indoor air quality monitoring and a smartphone app to identify home air quality changes and how these changes affect adults with asthma.

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Detailed Description

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The aims of this feasibility study are: 1) determine the feasibility and usability of: (a) ecological momentary assessment (EMA) to assess self-report residential environmental exposures and asthma symptoms, (b) home monitoring of objective environmental exposures (total volatile organic compounds \[VOCs\], particulates \[PM2.5\]), and lung function (home spirometry); 2a) assess the frequency and degree of residential environmental exposures (e.g., disinfectants/cleaners, second-hand smoke) via (a) self-reported data, and (b) home monitoring objective measures, 2b) assess the level of asthma control as indicated by self-reported asthma symptoms and lung function; and 3) explore associations of self-reported and objective measures of residential environmental exposures with self-reported and objective measures of asthma control. Participants will receive an indoor air quality monitor and a home spirometer to measure VOCs, PM2.5, and forced expiratory volume percent predicted, respectively. EMA will be collected using a personal smartphone and EMA software platform. Participants' will be sent scheduled and random EMA notifications to assess asthma symptoms, environmental exposures, lung function, and mitigation strategies. After the 14-day data collection period, participants will respond to survey items related acceptability, appropriateness, and feasibility.

Conditions

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Asthma Environmental Exposure Home Environment Related Disease

Study Design

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Observational Model Type

COHORT

Study Time Perspective

PROSPECTIVE

Interventions

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Home Air Quality

This study will assess the feasibility and usability of ecological momentary assessment (EMA) to capture the context of real time behaviors and environmental exposures that impact indoor environments. In addition, the study will assess the feasibility and usability of providing participants with a readily available indoor home air quality monitor to continuously capture total volatile organic compounds (VOCs) and particulates (PM2.5).

Intervention Type OTHER

Eligibility Criteria

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Inclusion Criteria

* Adults who previously participated in the online Global Covid-19 and Asthma Study, indicated willingness to be contacted for future research, and reported high use of disinfectant/cleaning products since COVID-19 (≥5 per week).
* Current Asthma Control Test (ACT) ≤19
* Own a smartphone
* Have a Wi-Fi/wireless internet connection in their home.