Sample characteristics for study of demolitions (n=1792) on firearm violence in Rochester, New York, 2009–2019
| Total | Cluster A, n (%) | Cluster B, n (%) | Cluster C, n (%) | Cluster D, n (%) | Cluster E, n (%) | |
| Citywide | ||||||
| Grid squares, 152×152 m | 6075 | 1634 (27) | 1146 (19) | 1236 (20) | 1582 (26) | 477 (8) |
| Final sample (at least one demolition during intervention phase) | ||||||
| Grid squares, 152×152 m | 647 | 421 (65) | 133 (21) | 83 (13) | 10 (2) | 0 |
| Shootings per year: | ||||||
| Preintervention, 2000–2008 – mean (SD) | 0.20 (0.49) | 0.22 (0.51) | 0.17 (0.46) | 0.15 (0.46) | 0.04 (0.21) | – |
| Intervention, 2009–2020 – mean (SD) | 0.18 (0.48) | 0.21 (0.52) | 0.12 (0.38) | 0.12 (0.39) | 0.06 (0.27) | – |
| Demolitions: | ||||||
| Per year, 2009–2019 – mean (SD) | 0.24 (0.57) | 0.25 (0.58) | 0.22 (0.54) | 0.24 (0.59) | 0.11 (0.37) | – |
| Cumulative, end of 2019 – mean (SD) | 2.77 (2.24) | 2.91 (2.30) | 2.44 (1.84) | 2.76 (2.52) | 1.20 (0.42) | – |