Table 2.

Descriptive statistics on neighborhood crime in the P18 Neighborhood Study

Variable	N = 205
Violent crime rate per 100,000, 50-m activity area buffer	4173 (3176); 3509 (2185, 5274)
Violent crime rate per 100,000, 400-m residential area buffer	370 (230); 343 (190, 504))
Violent crime count, zip code	1922 (1177); 1727 (1028, 2970)
Violent crime count, census tract	146 (98); 132 (73, 193)
Perceived neighborhood safety, daytime
Very safe	157 (77%)
Somewhat safe	46 (22%)
Unsafe	2 (1.0%)
Perceived neighborhood safety, nighttime
Very safe	103 (50%)
Somewhat safe	82 (40%)
Unsafe	20 (9.8%)
Witnessed crime, number of types
0	102 (50%)
1	42 (20%)
2	35 (17%)
3	14 (6.8%)
4	7 (3.4%)
5	1 (0.5%)
6	1 (0.5%)
8	2 (1.0%)
Witnessed crime, dichotomous	103 (50%)