Table 1.
Summary of external exposome measures.
| Category | Data source | Time period | Spatial scale | Temporal scale | Number of variables |
|---|---|---|---|---|---|
| PM2.5 | Atmospheric Composition Analysis Group, WUSTL | 2006–2018 | 0.01 degree in lon/lat | 1-year | 1 |
| PM2.5 compositions | Atmospheric Composition Analysis Group, WUSTL | 2006–2017 | 0.01 degree in lon/lat | 1-year | 7 |
| PM10/O3/NO2/CO/SO2 | The Center for Air, Climate, & Energy Solutions | 2006–2015 | Census block group | 1-year | 5 |
| Air toxicants | National Air Toxic Assessment, EPA | 2005, 2011, 2014 | County | 1-year | 164 |
| Walkability | Walkability Index, EPA | 2006–2013 | Census block group | Cross-sectional | 1 |
| Food environment | Food Environment Atlas | 2007–2018 | County | Cross-sectional | 98 |
| Vacant land | Aggregated USPS Administrative Data on Address Vacancies, HUD | 2006–2019 | Census tract | 3-month | 19 |
| Social capital | Census Business Pattern | 2006–2018 | County | 1-year | 10 |
| Crime and safety | Uniform Crime Reporting Program, FBI | 2006–2016 | County | 1-year | 32 |