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Volume 20, Number 11—November 2014
CME ACTIVITY - Synopsis

Legionnaires’ Disease Incidence and Risk Factors, New York, New York, USA, 2002–2011

Andrea Farnham1Comments to Author , Lisa Alleyne, Daniel Cimini, and Sharon Balter
Author affiliations: New York City Department of Health and Mental Hygiene, New York, New York, USA; 1Current affiliation: University of Zurich, Zurich, Switzerland.

Main Article

Table 4

Incidence of and risk for Legionnaires’ disease by case-patient occupation, New York, New York, USA, 2002–2011

Occupational category No. (%) working case-patients % Total working population* Mean crude annual disease incidence† Crude relative risk
(95% CI)‡
Transportation 49 (13.1) 5.5 1.9 2.36 (1.82–3.06)
Repair 14 (3.7) 2.0 1.5 1.86 (1.11–3.11)
Protection 20 (5.3) 3.0 1.4 1.77 (1.15–2.71)
Cleaning 27 (7.2) 4.7 1.3 1.54 (1.07–2.22)
Construction 26 (6.9) 4.7 1.2 1.49 (1.03–2.16)
Service 24 (6.4) 5.0 1.0 1.28 (0.87–1.89)
Legal 10 (2.7) 2.1 1.0 1.27 (0.69–2.34)
Office 59 (15.7) 15.0 0.9 1.05 (0.83–1.33)
Entertainment 17 (4.5) 4.6 0.8 0.98 (0.61–1.55)
Production 14 (3.7) 3.8 0.8 0.99 (0.59–1.65)
Counsel 7 (1.9) 2.1 0.7 0.91 (0.43–1.89)
Finance 8 (2.1) 2.7 0.6 0.78 (0.39–1.55)
Medical 12 (3.2) 4.2 0.6 0.76 (0.43–1.32)
Food 16 (4.3) 5.3 0.7 0.80 (0.50–1.29)
Health 10 (2.7) 4.1 0.5 0.66 (0.36–1.21)
Sales 27 (7.2) 11.3 0.5 0.64 (0.44–0.92)
Engineering 2 (0.5) 0.9 0.5 0.58 (0.15–2.33)
Management 11 (2.9) 8.1 0.3 0.36 (0.20–0.65)
Education 6 (1.6) 5.9 0.2 0.27 (0.12–0.60)
Computer 1 (0.3) 2.0 0.1 0.13 (0.02–0.95)
Uncategorized/missing
15 (4.0)
0.0
NA

Total working 375 (100.0) 100.0 0.8

*Percentage of total city population working in occupational category (American Community Survey occupational survey).
†Per 100,000 population, based on number of persons working in occupational category, according to 2005–2009 American Community Survey population data.
‡Comparison of risk for being in each occupational category for working case-patients versus the general working population.

Main Article

Page created: October 15, 2014
Page updated: October 15, 2014
Page reviewed: October 15, 2014
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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