|Definition of risk factors|
|Ruminant density per km2||Density of ruminants (goats, sheep, dairy cattle or beef cattle) per km2 of populated area.|
|Poultry density per km2||Density of poultry (hens, broilers, or turkeys) per km2 of populated area.|
|Slaughterhouse||Presence of ≥ 1 slaughterhouse handling poultry, cattle, and/or pigs under governmental inspection.|
|Diploma (%)||Percentage of people >15 years with a grade, certificate, or diploma.|
|Population density per km2||Total number of people living in the area out of the total area in km2.|
|Precipitation (mm)||Average of daily precipitation for the study period.|
|Temperature (°C )||Average of the maximal and minimal daily temperature for the study period.|
Risk factors tested for their association with campylobacteriosis in Quebec, Canada.
Arsenault et al.
Arsenault et al. BMC Infectious Diseases 2012 12:318 doi:10.1186/1471-2334-12-318