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Pet exposure in the family during pregnancy and risk for type 1 diabetes: The prospective ABIS study
Linköping University, Department of Medical and Health Sciences, Division of Community Medicine. Linköping University, Faculty of Medicine and Health Sciences.ORCID iD: 0000-0003-0723-139X
Linköping University, Department of Clinical and Experimental Medicine, Division of Children's and Women's health. Linköping University, Faculty of Medicine and Health Sciences. Region Östergötland, Center of Paediatrics and Gynaecology and Obstetrics, H.K.H. Kronprinsessan Victorias barn- och ungdomssjukhus.
2018 (English)In: Pediatric Diabetes, ISSN 1399-543X, E-ISSN 1399-5448, Vol. 19, no 7, p. 1206-1210Article in journal (Refereed) Published
Abstract [en]

Background: The autoimmune process later leading to type 1 diabetes (T1D) seems to start very early in life. Different viruses have been suspected to contribute to the development of T1D, some already during pregnancy. As viruses may be hosted by animals and from them transferred to humans we decided to investigate if exposure to pets during pregnancy is related to later development of T1D. Methods: ABIS (All Babies in Southeast Sweden)-is a prospective population-based cohort study of unselected children born in southeast Sweden between Oct first 1997 to Oct first 1999. Parents of 16384 children answered a questionnaire within 3 days after birth including information about exposure to different pets. The ABIS registry has been connected to the National Registry of diagnosis and also the national Registry of Drug prescriptions so we know that 137 children have got T1D, and they were compared with the non-diabetic population. Results: During pregnancy, 45.5% of the mothers had pet animals at home. Most common were cats (25.0%) and dogs (18.7%). Neither exposure to dogs (OR = 1.27, P = 0.23) or cats (OR = 0.81, P = 0.31) were associated to later T1D risks. However, exposure to hamsters increased the T1D risk (OR 4.21, P = 0.0007). In a multiple regression this association remained (P = 0.005) when adjusted for other possible risk factors. Conclusions: Exposure to hamster during pregnancy seems to increase the risk of T1D in the child. One possibility could be infection by virus hosted by the pet.

Place, publisher, year, edition, pages
Wiley-Blackwell Publishing Inc., 2018. Vol. 19, no 7, p. 1206-1210
Keywords [en]
etiology; pet exposure; pregnancy; type 1 diabetes; virus
National Category
Pediatrics
Identifiers
URN: urn:nbn:se:liu:diva-152372DOI: 10.1111/pedi.12721ISI: 000446564900009PubMedID: 30014568Scopus ID: 2-s2.0-85052628567OAI: oai:DiVA.org:liu-152372DiVA, id: diva2:1260705
Note

Funding Agencies|Barndiabetesfonden (Swedish Child Diabetes Foundation); Swedish Council for Working Life and Social Research [FAS2004-1775]; Swedish Research Council [K2005-72X-11242-11A, K2008-69X-20826-01-4]; Ostgota Brandstodsbolag; Medical Research Council of Southeast Sweden (FORSS); JDRF Wallenberg Foundation [K 98-99D-12813-01A]

Available from: 2018-11-05 Created: 2018-11-05 Last updated: 2018-11-09Bibliographically approved

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Olsen Faresjö, ÅshildLudvigsson, Johnny
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Division of Community MedicineFaculty of Medicine and Health SciencesDivision of Children's and Women's healthH.K.H. Kronprinsessan Victorias barn- och ungdomssjukhus
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