Table 4.

Geocoding of incident prostate and breast cancer cases, Connecticut, 1988–92.

	Prostate Cancers		Breast Cancers
	Cases	%	Cases	%
Incident cases with town of residence recorded by the Connecticut Tumor Registry (CTR)	10,054	100	12,518	100
Census tract of residence recorded by CTR	9,825	98	10,924	87
Geocoded block group & street address of residence	9,207	92	11,864	95
Geocoded street address on 1st try (stringent criteria)	4,546		5,926
Geocoded street address on 2nd try (relaxed criteria)	4,661		5,938
Nursing home resident excluded for analysis by block group and exact coordinates	179		111
Record not geocoded	847	8	654	5
Post Office box listed	178		64
No street address listed	216		534
No house number listed	176		23
Listed address unable to geocode	277		33