Table 2.

Multivariable analyses of the relationships between vacant properties and assaults in Philadelphia County from 2002–2006.

	All assaults	Gun assaults	Nongun assaults
Vacant properties	0.1678§ [0.1135, 0.2222]	0.2055§ [0.1297, 0.2813]	0.1359§ [0.0787, 0.1931]
Total population	0.0004§ [0.0002, 0.0006]	0.0001§ [−0.0001, 0.0002]	0.0005139§ [0.0003, 0.0007]
Median age	−0.0080† [−0.0151, −0.0008]	−0.0075 [−0.0159, 0.0010]	−0.0077† [−0.0143, −0.0010]
Male: female ratio	0.1162‡ [0.0337, 0.1988]	0.0046 [−0.0362, 0.0455]	0.1573§ [0.0688, 0.2457]
No. of black residents	0.0001 [−8.63e – 06, 0.0003]	0.0004§ [0.0002, 0.0005]	0.0000204 [−0.0002, 0.0002]
No. of Hispanic residents	0.0005§ [0.0003, 0.0007]	0.0005§ [0.0003, 0.0008]	0.0005§ [0.0003, 0.0007]
Median household income	−9.17e – 06§ [−0.00014, −4.36e – 06]	−0.0000103§ [−0.000153, −5.36e – 06]	−9.02e – 06§ [−0.00014, −4.07e – 06]
No. of unemployed	0.0010† [0.0001, 0.0019]	0.0009† [0.0000415, 0.0017]	0.0011† [0.0001, 0.0022]
No. of with bachelors degree	−0.0010‡ [−0.0016, −0.0004]	−0.0006 [−0.0011, 0.0000327]	−0.0011‡ [−0.0018, −0.0004]
No. of single-parent households	0.0027§ [0.0014, 0.0040]	0.0048§ [0.0037, 0.0059]	0.0017† [0.0001, 0.0034]
No. of residential properties	−0.0008§ [−0.0012, −0.0004]	−0.0008§ [−0.0012, −0.0004]	−0.0007§ [−0.0011, −0.0003]

^*Shown in brackets are 95% confidence intervals;

^†P < 0.05;

^‡P < 0.01;

^§P < 0.001.