Table 1.
Selected neighborhood built environment variables in the Moving to Health cohort study.
| Domain and variablea | Data source | Median values for 1600 m buffer at baseline (first quartile, third quartile) | Years of data available | Radial buffer distance (m) | |
| Neighborhood composition | |||||
|
|
Residential density, units/hectare | King County Assessor’s office | 9 (6, 15) | 2005-2017 | 800, 1600 |
|
|
Population density, residents/hectare | American Community Survey | 21 (14, 31) | 2005-2017 | 800, 1600 |
|
|
Property value per residential unit (US $), 2017 | King County Assessor’s office | 282,949 (21,543; 373 470) | 2005-2017 | 800, 1600 |
| Transportation systems | |||||
|
|
Street intersection density, intersections/hectare | TIGER/Line files | 0.6 (0.5, 0.8) | 2010-2018 | 800, 1600 |
| Food environment | |||||
|
|
Supermarket count | PHSKCb/UFLc | 1 (0, 2) | 2008, 2012, 2015 | 1600, 5000 |
|
|
Fast food retailer count | PHSKC/UFL | 2 (0, 6) | 2008, 2012, 2015 | 1600, 5000 |
aThese variables have been constructed. Additional variables are planned as described in the manuscript text, and new variables can be added as data become available.
bPHSKC: Seattle/King County Public Health department.
cUFL: University of Washington Urban Form Lab.