Abstract
Background
Clostridium difficile infection (CDI) is one of the most common hospital-acquired infections and is associated with significant morbidity and mortality. Since owning a cat or dog could enrich the gut microbiome, we hypothesized that it would be protective against CDI.
Aims
We conducted a survey study on patients tested for CDI in order to assess whether living in the presence of a pet is associated with a decreased risk of CDI.
Methods
We surveyed subjects aged 18–90 over a 14-month period using a retrospective case–control design. Subjects with CDI were matched by gender and age to patients who tested negative and had no prior history of CDI. A web-based survey was provided to subjects by mail or assisted by phone. Conditional logistic regression was used to assess for associations between CDI and the various risk factors.
Results
205 CDI positive and 205 CDI negative subjects (response rate of 50.2%) were included. After matching for age and sex, living with a cat or dog was not associated with negative CDI testing. Exploratory multivariable modeling identified an unexpected association between positive CDI testing and high meat intake (OR 2.13, 95% CI 1.21–3.77) as well as between positive CDI testing and cat allergies (OR 1.88, 95% CI 1.02–3.46).
Conclusion
Living with a cat or dog was not associated with negative CDI testing. Several novel risk factors for CDI have been identified including high meat intake and cat allergies.
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Abbreviations
- ADL:
-
Activity of daily living
- CDI:
-
Clostridium difficile infection
- EIA:
-
Enzyme immunoassay
- GI:
-
Gastrointestinal
- H2RA:
-
Histamine 2 receptor antagonists
- PPI:
-
Proton pump inhibitor
- SAR:
-
Subacute rehabilitation facility
- SNF:
-
Skilled nursing facility
- Th:
-
T helper
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Funding
Grant support: JAB is supported by T32 DK062708.
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PDRH, KR, JAB, and EB contributed to study concept and design; JAB and KJR were involved in acquisition; JAB, KR and PDRH drafted the manuscript; JAB contributed to figures; all authors worked for analysis, interpretation of data, critical revision of the manuscript, and final approval.
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PDRH received consulting fees from AbbVie, Amgen, Genentech, JBR Pharma, and Lycera. All other authors report no disclosures.
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Berinstein, J.A., Steiner, C.A., Roth, K.J. et al. Association of Household Pets, Common Dietary Factors, and Lifestyle Factors with Clostridium difficile Infection. Dig Dis Sci 66, 206–212 (2021). https://doi.org/10.1007/s10620-020-06123-7
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DOI: https://doi.org/10.1007/s10620-020-06123-7