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Table 4 Geocoding of incident prostate and breast cancer cases, Connecticut, 1988–92.

From: Lumping or splitting: seeking the preferred areal unit for health geography studies

  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