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Volume 10, Number 10—October 2004

Campylobacteriosis, Eastern Townships, Québec

Sophie Michaud*Comments to Author , Suzanne Ménard†, and Robert D. Arbeit‡
Author affiliations: *Faculté de Médecine de l’Université de Sherbrooke, Québec, Canada; †Régie Régionale de la Santé et des Services Sociaux de l’Estrie, Québec, Canada; ‡Boston University School of Medicine, Boston, Massachusetts, USA

Main Article

Table 1

Incidence rates of campylobacteriosis in each county in the Eastern Townships with crude and age-stratified relative risk compared with incidence rates in the other counties in the region

County No. of cases Total population Incidence rate per 100,000 Crude RR RR stratified for agea p valueb
Asbestos 17 14,975 113.5 2.23 2.37 0.0001
Val St-François 23 28,809 79.8 1.48 1.33 0.04
Sherbrooke 85 143,792 59.1 1.09 1.14 NS
Coaticook 9 16,444 54.7 0.97 0.85 NS
Memphrémagog 16 41,785 38.3 0.64 0.79 NS
Haut St-François 10 22,358 44.7 0.78 0.74 NS
Granit 4 21,905 NDc NDc NDc NDc

aThe relative risk (RR) represents the incidence rate of campylobacteriosis in one county compared to the incidence rate in the other counties taken as a whole, before (crude RR) and after stratification for age (stratified RR).
bThe p values apply to the stratified relative risks.
cRates not calculated for County of Granit because of different case ascertainment process used there; see text for details.

Main Article

Page created: April 11, 2011
Page updated: April 11, 2011
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