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Volume 10, Number 7—July 2004
Research

Q Fever Outbreak in Industrial Setting

Hugo C. van Woerden*Comments to Author , Brendan W. Mason*, Lika K. Nehaul†, Robert Smith*, Roland L. Salmon*, Brendan Healy‡, Manoj Valappil§, Diana Westmoreland§, Sarah de Martin†, Meirion R. Evans*, Graham Lloyd¶, Marysia Hamilton-Kirkwood‡, and Nina S. Williams*
Author affiliations: *National Public Health Service for Wales, Cardiff, United Kingdom; †Department of Public Health, Gwent, United Kingdom; ‡Department of Public Health, Cardiff, United Kingdom; §University Hospital of Wales, Cardiff, United Kingdom; and; ¶Special Pathogens Reference Unit, Wiltshire, United Kingdom

Main Article

Table 3

Odds ratios (OR) for different risk factors in Q fever outbreak, Newport, Wales, August–September 2002

Exposure at work No. of persons exposed to risk factor
No. of persons not exposed to risk factor
OR (95% CI)
Case Controls Cases Controls
Office refurbished
24
23
6
15
2.61 (0.77–9.57)
Never near an external door or window/near a window or door most days
13
10
40
61
1.98 (0.72–5.56)
Smoker/never smoked
15
35
42
48
0.49 (0.22–1.08)
Saw hay lorry on the docks
4
1
56
82
5.86 (0.55–291.88)
Live on a farm
1
3
72
76
0.35 (0.01–4.53)
Regularly handle compost
1
9
68
83
0.14 (0.00–1.03)
Contact with animal births or miscarriages 0 6 39 54 0.00 (0–1.26)

aCI, confidence interval.

Main Article

Page created: June 16, 2011
Page updated: June 16, 2011
Page reviewed: June 16, 2011
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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