Clin Exp Otorhinolaryngol.  2021 May;14(2):210-216. 10.21053/ceo.2020.00675.

Age Differences in Pet Sensitization by Pet Ownership

Affiliations
  • 1Department of Otolaryngology, Kangwon National University Hospital, Chuncheon, Korea
  • 2Department of Otolaryngology, Kangwon National University College of Medicine, Chuncheon, Korea
  • 3Department of Allergy and Clinical Immunology, Kangwon National University College of Medicine, Chuncheon, Korea
  • 4Department of Otorhinolaryngology, SMG-SNU Boramae Medical Center, Seoul National University College of Medicine, Seoul, Korea

Abstract


Objectives
. The association between pet sensitization and pet ownership remains unclear. Therefore, we aimed to elucidate the association between pet sensitization and pet ownership by age.
Methods
. We retrospectively reviewed 2,883 patients who visited our allergy clinic for nasal symptoms from January 2003 to December 2014, of whom 1,957 patients with data on skin-prick tests and questionnaire responses were included and divided into adults (age >19 years) and children (age ≤19 years). The association between pet sensitization and pet ownership was evaluated in both groups.
Results
. Among children, dog and cat sensitization showed no associations with dog and cat ownership, respectively. However, among adults, dog sensitization was significantly associated with dog ownership (odds ratio [OR], 3.283; P<0.001), and cat sensitization with cat ownership (OR, 13.732; P<0.001). After adjustment for age, sex, familial history of allergy, sinusitis, diabetes mellitus, other pet ownership, and non-pet sensitization, significant associations remained between dog sensitization and dog ownership (adjusted OR [aOR], 3.881; P<0.001), and between cat sensitization and cat ownership (aOR, 10.804; P<0.001) among adults. Dog ownership did not show any association with allergic rhinitis, asthma, or atopic dermatitis, whereas atopic dermatitis had a significant association with cat ownership in adults (aOR, 4.840; P<0.001).
Conclusion
. Pet ownership in adulthood increased the risk of pet sensitization. However, pet ownership was not associated with the prevalence of atopic disorders, regardless of age, except for atopic dermatitis and cat ownership in adults.

Keyword

Pets; Ownership; Hypersensitivity; Allergic Rhinitis; Asthma; Atopic Dermatitis
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