Volume 10, Number 7—July 2004
Research
Q Fever Outbreak in Industrial Setting
Hugo C. van Woerden*
, 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*
, 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*
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.
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.