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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. PolgreenComments to Author 
Author affiliations: The University of Iowa, Iowa City, Iowa, USA

Main Article

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.

Main Article

Page created: October 16, 2017
Page updated: October 16, 2017
Page reviewed: October 16, 2017
The conclusions, findings, and opinions expressed by authors contributing to this journal do not necessarily reflect the official position of the U.S. Department of Health and Human Services, the Public Health Service, the Centers for Disease Control and Prevention, or the authors' affiliated institutions. Use of trade names is for identification only and does not imply endorsement by any of the groups named above.
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