Table 2. Unadjusted Average Monthly Count of Outcomes During the Preintervention and Postintervention Time Periods for Each Trial Arm and Absolute Change Between Time Periods.

Outcome	Full house remediation (cluster n = 23, houses n = 58)			Trash cleanup intervention (cluster n = 20, houses n = 93)			No-intervention control (cluster n = 20, houses n = 107)
	Pre (N = 1044)a	Post (N = 1036)a	Change	Pre (N = 1674)a	Post (N = 1674)a	Change	Pre (N = 1926)a	Post (N = 1926)a	Change
Primary kernel density analyses, meanb
Weapons violations	19.97	20.78	0.81	22.07	24.49	2.42	19.91	22.62	2.71
Gun assaults	4.47	5.02	0.55	4.81	5.68	0.87	4.43	5.75	1.32
Shootings	2.75	3.09	0.34	2.89	3.56	0.67	2.69	3.27	0.58
Illegal substance	14.42	15.76	1.34	32.66	39.82	7.16	14.54	14.94	0.4
Public drunkenness	0.39	0.82	0.43	0.29	1.14	0.85	0.15	0.78	0.63
	Cluster n = 17, participants n = 48			Cluster n = 20, participants n = 67			Cluster n = 20, participants n = 57
	Pre	Post	Change	Pre	Post	Change	Pre	Post	Change
Perceptions of safety and time outside, mean
Neighborhood safe	2.53	2.64	0.11	2.40	2.63	0.23	2.53	2.59	0.06
Time outside	3.45	3.97	0.52	3.27	3.75	0.48	3.14	3.72	0.58

^a N = count of houses per month × 34 to 36 months included in the data set.

^b The kernel density can be interpreted as the average monthly rate of the outcome per square mile in the designated trial arm.