Peptic ulcer disease and exposure to domestic pets.

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Abstract
Objectives. This study assessed whether an association exists between household pets and peptic ulcer disease. Methods. Canadian adults (n = 15779) were asked about cats or dogs in their household and about history of peptic ulcer disease. Logistic regression was used to assess the association between pet ownership and a history of peptic ulcer disease, after adjustment for sociodemographic differences. Results. No relationship was observed between report of household pets and a history of peptic ulcer disease (adjusted odds ratio = 1.14, 95% confidence interval = 0.95, 1.36). Conclusions. In a large sample of Canadian adults, no association was observed between pet ownership and a history of peptic ulcer disease.