Table 1

Frequencies of Geocoding Success and Geocode Validation Outcomes for 599 Selected Addresses, by County.


Fulton County (n = 339)
Gwinnett County (n = 260)
Both Counties (n = 599)



n
%
n
%
n
%

Address-level geocodes






     OHIP
321
94.7
228
87.7
549
91.7
     Commercial vendor
324
95.6
251
96.5
575
96.0
Addresses located using GIS






     House/small multi-unit complex
194
57.2
182
70.0
376
62.8
     Moderate/large multi-unit complex
41
12.1
18
6.9
59
9.8
Unverified addresses
104
30.7
60
23.1
164
27.4

Strickland et al. Environmental Health 2007 6:10   doi:10.1186/1476-069X-6-10