Table 3.
Observed vs Expected Distribution of 82 LUAT-Positive Subjects per Zip Code SES Group, Milwaukee County, Wisconsin
| Zip SES Status41 | Total Tested Subjects | Observed Positive Cases, n (%) | Expected Positive Cases, n (%) |
|---|---|---|---|
| High | 450 | 3 (3.7%) | 6.7 (8.2%) |
| Medium-high | 1126 | 12 (14.6%) | 16.8 (20.5%) |
| Medium | 1599 | 19 (23.2%) | 23.8 (29.0%) |
| Medium-low | 1197 | 27 (32.9%) | 17.8 (21.7%) |
| Low | 1135 | 21 (25.6%) | 16.9 (20.6%) |
|
| |||
| TOTAL | 5507 | 82 (100%) | 82.0 (100%) |
χ2(4 degrees of freedom): 10.133; P=0.038.
LUAT, Legionella urine antigen test; SES, socioeconomic status.