Infants with spina bifida without anencephaly
born in Florida (1998-2007) and matched with
at least one hospital discharge record
initiated during the first year of life
N = 614

1. Geocoding

Street Level Geocoding

n = 557 (90.7%)


ZIP-Code Level Geocoding

n = 45 (7.3%)






No Geocoding

n = 12 (2.0%)

2. Geocoding Improvements




Improvement on
ZIP-Code Level Geocoding

to Street Level Geocoding:

n = 5 (0.8%)

No Improvement:

n = 40 (6.5%)


Improvement on
No Geocoding

to Street Level Geocoding

n = 1 (0.2%)

to ZIP-Codel Level Geocoding

n = 9 (1.5%)

No Improvement

n = 2 (0.3%)

3. End Result of Geocoding

Street Level Geocoding

n = 563 (91.7%)





ZIP-Code Level Geocoding

n = 49 (8.0%)










No Geocoding

n = 2 (0.3%)