| AIC | Akaike Information Criterion |
| BIC | Bayesian Information Criterion |
| CHW | Community Health Worker |
| COPD | Chronic Obstructive Pulmonary Disease |
| EPA | Environmental Protection Agency |
| GM | Geometric Mean |
| GSD | Geometric Standard Deviation |
| HEPA | High Efficiency Particulate Air |
| LMM | Linear Mixed Model |
| NO2 | Nitrogen Dioxide |
| PM2.5 | Particulate Matter 2.5 microns |
| REDCap | Research Electronic Data Capture |
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