Table 1.
Participant characteristics (n=651)
| Variables | Measurements | ||
|---|---|---|---|
| Demographic information | N | % | |
| Sex | Female | 406 | 62.4 |
| Male | 245 | 37.6 | |
| Age | Age < 40 | 141 | 21.6 |
| Age 40–64 | 408 | 62.7 | |
| Age ≥ 65 | 95 | 14.6 | |
| NAa | 7 | 1.1 | |
| Race/ethnicity | Non-Hispanic white | 516 | 79.3 |
| Other ethnic | 129 | 19.8 | |
| NAa | 6 | 0.9 | |
| Household income | <50K USD | 238 | 36.5 |
| 50K to <100K USD | 259 | 39.8 | |
| ≥ 100K USD | 136 | 20.9 | |
| NAa | 18 | 2.8 | |
| Education | Some college or below | 182 | 28.0 |
| College graduate or higher | 459 | 70.5 | |
| NAa | 10 | 1.5 | |
| Employment | Full-time | 341 | 52.4 |
| Part-time | 148 | 22.7 | |
| Retired/unemployed | 136 | 20.9 | |
| NAa | 26 | 4.0 | |
|
| |||
| Built environment characteristics in home neighborhood b | Mean | SD | |
| Residential density [dwelling units/ha] | 20.5 | 14.4 | |
| Average property value [1,000 USD/unit] | 247.1 | 82.4 | |
| Job density [jobs/ha] | 83.8 | 155.0 | |
| Street intersection density [count/km2] | 98.7 | 34.8 | |
| Area of NCs c [%] | 9.7 | 10.1 | |
| Distance to the closest NC c [km] | 0.5 | 0.5 | |
| Area of parks/trails [%] | 5.1 | 5.3 | |
| Distance to the closest park or trail [km] | 0.2 | 0.2 | |
| Average slope in degree [°] | 4.3 | 1.3 | |
a
Missing for the variable coded as NA.
b
Home neighborhood defined as a 833-meter-radius (a 10-minute walking distance) circle from the participant’s home address point.
c
Neighborhood Center (NC), mixed-use neighborhood destination, defined as a minimum convex polygon delineated by at least one of each supermarket(s), retail(s), and restaurant(s) parcels clustered within 50m of each other (Lee and Moudon, 2006a).