Table 1.
Description of the L.A.FANS Neighborhood Observation Study Design
| Variable | Mean | Std. Dev. | Min | Max |
|---|---|---|---|---|
| Block faces per block | 4.9 | 3.1 | 2 | 35 |
| Blocks per tract | 6.5 | 3.0 | 2 | 14 |
| Observations per block face | 2.9 | 0.6 | 1 | 7 |
| Observations per block | 14.1 | 8.9 | 4 | 92 |
| Observations by tract | 91.8 | 40.4 | 24 | 196 |
| Observations per observer | 170.5 | 164.3 | 4 | 629 |
| Variable | Total Count | |||
| Observations (observer by block face) | 5,966 | |||
| Block faces | 2,071 | |||
| Blocks | 422 | |||
| Tracts | 65 | |||
| Observations per block face | Count | Percent | ||
| 1 | 41 | 2 | ||
| 2 | 383 | 18 | ||
| 3 | 1,464 | 71 | ||
| 4 | 158 | 8 | ||
| 5 – 7 | 25 | 1 | ||
| Total | 2,071 | 100 |