Table 1.
U.S. census block group characteristics (n=12)
| Mean | SD | Minimum | Maximum | |
|---|---|---|---|---|
| Median family income (1999 U.S. $) | 39,899 | 8,344 | 29,236 | 53,056 |
| Median home value (1999 U.S. $) | 118,766 | 29,135 | 78,000 | 161,900 |
| Block group population | 756 | 208 | 572 | 1123 |
| Housing units | 383 | 91.1 | 288 | 557 |
| % in labor force | 79.8 | 5.7 | 68.0 | 88.0 |
| % of labor force working ≥35 h/wk | 65.8 | 5.1 | 59.0 | 74.0 |
| % of labor force working 15–34 h/wk | 15.8 | 5.2 | 8.0 | 22.0 |
| % of labor force working 0 to 14 h/wk | 18.5 | 6.6 | 5.0 | 32.0 |
| % walking or biking to work | 5.7 | 3.9 | 0.00 | 11.4 |
| %income: poverty level ratio ≥2.0 | 75.0 | 14.1 | 47.0 | 94.0 |
| % of homes built 1939 or before | 52.1 | 14.2 | 35.0 | 78.0 |
| % with no vehicle | 7.8 | 4.6 | 2.0 | 17.0 |
| % with a high school degree or less | 21.4 | 5.0 | 15.2 | 30.8 |
| % with a bachelors degree or higher | 36.0 | 9.8 | 20.4 | 56.6 |
| % manual labor occupations | 7.0 | 4.9 | 1.0 | 18.0 |
| Temperature (°C) | 21.9 | 5.2 | 3.3 | 28.9 |
| % Humidity | 56.4 | 15.9 | 31.0 | 88.5 |
| Barometric pressure (mb/hg) | 29.9 | 0.1 | 29.6 | 30.4 |
| Average wind speed (mph) | 9.6 | 5.1 | 0.0 | 23.0 |
| Rain (mm) | 0.3 | 0.8 | 0.0 | 5.1 |