Volume 23, Number 11—November 2017
Research
Weather-Dependent Risk for Legionnaires’ Disease, United States
Jacob E. Simmering, Linnea A. Polgreen, Douglas B. Hornick, Daniel K. Sewell, and Philip M. Polgreen
Table 5
Odds ratios for Legionnaires’ disease based on the interaction between average monthly temperature and average monthly relative humidity, United States, 1998–2011*
| Relative humidity, % |
Average monthly temperature, °F |
||
| <60 |
60–80 |
>80 |
|
| 0–50 | 1.00 | 0.55 | 1.57 |
| 50.1–55.0 | 0.85 | 0.77 | 0.00 |
| 55.1–60.0 | 0.58 | 0.49 | 0.00 |
| 60.1–65.0 | 0.66 | 0.78 | 1.28 |
| 65.1–70.0 | 0.79 | 0.98 | 0.77 |
| 70.1–75.0 | 0.80 | 1.29 | 0.48 |
| 75.1–80.0 | 0.76 | 1.37 | 1.09 |
| 80.1–100.0 | 0.65 | 1.70 | 0.00 |
*Estimated from the multivariable logit model shown in Table 4.The analysis comprised data from 26 states: Arizona, Arkansas, California, Colorado, Connecticut, Illinois, Iowa, Kentucky, Maryland, Massachusetts, Mississippi, Missouri, Montana, Nevada, New Hampshire, New Jersey, New York, North Carolina, Oregon, Pennsylvania, Rhode Island, Utah, Vermont, Virginia, Washington, Wisconsin.
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