Table 1

Chicago urban classes with WNV human case rates from 2002

Urban Class
Brief Description
Chicago with Land Cover of Illinois
Chicago with National Land Cover Data





% of tracts
N WNV
Population
WNV per 100 K
% of tracts
N WNV
Population
WNV per 100 K

1
City, Low Income
31.8
99 (15.2%)
1,677,454
5.90
31.9
98 (15.1%)
1,526,551
6.42
2
City, High Income
15.8
25 (3.8%)
894,010
2.80
26.2
132 (20.3)
1,671,026
7.90
3
Inner Suburb
26.2
404 (62.2%)
1,777,327
22.78
26.4
363 (55.8%)
1,895,900
19.15
4
Outer Suburb
19.6
115 (17.6%)
1,819,621
6.32
11.1
50 (7.7%)
1,122,668
4.45
5
Urban No-man's
6.6
7 (1.1%)
112,456
6.22
4.4
7 (1.1%)
64,723
10.82

OVERALL
100
650 (100.0%)
6,280,868
10.35
100
650 (100.0%)
6,280,868
10.35

Ruiz et al. International Journal of Health Geographics 2007 6:10   doi:10.1186/1476-072X-6-10