Table 1.
Four neighborhood contexts: geographic description | Census tract (ct) | Block group (bg) | Secondary polygon (sp) | Tertiary ngbd (tn) |
---|---|---|---|---|
Total number of road segments | 111 | 317 | 1316 | 6159 |
Number with any roads audited | 96 | 235 | 497 | 1369 |
Number with ≥20% of roads audited | 62 | 157 | 396 | 1299 |
Mean of roads (SD) | 362.56 (262.89) | 131.10 (76.05) | 34.82 (49.64) | 9.00 (20.49) |
Mean audited roads (SD) | 169.73(136.12) | 69.69 (49.47) | 21.70 (34.13) | 6.83 (14.35) |
Mean % of audited roads | 51.31 (22.90) | 54.71 (24.72) | 67.44 (27.85) | 89.51 (21.24) |
Median audited roads | 129 | 54 | 10 | 1 |
Mean length of roads (miles) (SD) | 49.51 (52.40) | 16.61 (14.04) | 3.79 (5.57) | 0.90 (1.93) |
Mean audited roads (miles) (SD) | 18.86 (15.23) | 7.61 (5.45) | 2.11 (2.96) | 0.68 (1.26) |
Mean % of audited road lengths (SD) | 49.3 (23.7) | 53.4 (25.3) | 67.1 (28.3) | 90.44 (20.14) |