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 3
Key variables in the sample in a study of weather-dependent risk for Legionnaires’ disease, United States, 1998–2011*
| Variable | Cases, n = 3,005 | Controls, n = 189,412 |
|---|---|---|
| Age, y (± SD) |
61.80 (15.61) |
68.83 (17.15) |
| Sex, % | ||
| F | 39.13 | 48.18 |
| M |
60.87 |
51.82 |
| Race/ethnicity, % | ||
| White | 76.64 | 79.60 |
| Black | 14.81 | 9.52 |
| Hispanic | 4.66 | 6.06 |
| Other |
3.89 |
4.83 |
| Payer, % | ||
| Medicare | 45.82 | 69.22 |
| Medicaid | 7.69 | 9.27 |
| Private | 38.80 | 16.97 |
| Uninsured | 4.89 | 2.63 |
| Other |
2.80 |
1.92 |
| Mean latitude, °N (± SD) | 40.02 (2.75) | 38.86 (3.30) |
| Mean monthly temperature, °F (± SD) | 58.49 (14.96) | 52.61 (15.32) |
| Mean monthly relative humidity, % (± SD) | 70.03 (9.22) | 67.34 (10.45) |
| Mean monthly total rainfall, mm (± SD) | 80.39 (69.15) | 61.68 (144.67) |
*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.
Page created: October 16, 2017
Page updated: October 16, 2017
Page reviewed: October 16, 2017
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