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Table 7 Variables included in the matched case-control univariable analysis.

From: Epidemiology of impaction colic in donkeys in the UK

Variable Description
Age Years
Gender Male/female
Weight Kg
Farm 10 different farms in the south west of England were included in the analysis.
Extra rations Donkey was fed concentrate feed in addition to forage at the time of the impaction colic.
Previous colic Donkey suffered from colic in the 12 months prior to the impaction colic case.
Dental disease Donkey had at least one of the following dental problems recorded in the 6 months prior to the impaction colic date: missing teeth, shear, wave, step, undershot, overshot or diastema.
Routine treatments: farriery, vaccination, antiparasiticide, anthelmintic. Donkey had routine treatment in the month prior to impaction colic case date. Each category was tested separately in the univariable analysis.
Medical examinations: behavioural, biochemical, dermatalogical, digestive, haematological, musculo-skeletal, non-specific, opthalmalogical, respiratory, uro-genital. Donkey had a medical examination for another disease in the 6 months prior to the impaction colic case date. Medical examinations were categorised by Donkey Sanctuary veterinarians. Each category was tested separately in the univariable analysis.