Volume 8, Number 1—January 2002
A Large Outbreak of Legionnaires’ Disease at a Flower Show, the Netherlands, 1999
|Study population||Respondents to questionnaire and set of drawings; ORa (95% CI)(101 cases, 119 controls)|
|Age||1.1 (1.0 - 1.1)|
|Male sex||2.1 (1.0 - 4.5)|
|Smoking||6.0 (2.4 - 15.1)|
|Total hours at exhibition||2.2 (1.5 - 3.2)|
|Hours at consumer exhibition||0.5 (0.3 - 0.8)|
|Pausing at whirlpool spa in hall 3b||2.6 (1.1 - 6.6)|
|Pausing at bubblemat in hall 3b||3.0 (1.1 - 8.0)|
|Pausing in gangway of bubblemat in hall 3b||0.3 (0.1 - 0.8)|
aOR = odds ratio; CI = 95% confidence interval.
bSee Figure 3a.
1A bubblemat is an inflatable rubber mat that causes a whirlpool-like effect when placed in a normal bathtub.
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