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Volume 11, Number 4—April 2005

Research

Reemergence of Canine Echinococcus granulosus Infection, Wales

Imad Buishi*, Tom Walters†, Zoë Guildea‡, Philip Craig*, and Stephen Palmer‡
Author affiliations: *University of Salford, Greater Manchester, United Kingdom; †Powys Health Promotion Unit, Powys, Wales, United Kingdom; and; ‡University of Wales, Cardiff, Wales, United Kingdom

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Table 2

Multivariate logistic regression model of possible risk factors for a positive Echinococcus coproantigen-test result in farm dogs (n = 1,164)

Risk factor p value Regression coefficient OR 95% CI
Location of dog (compared to chained dogs)
  Free roaming <0.0001 1.07 2.91 1.77–4.8
  Other 0.411 0.53 1.7 0.48–5.91
Frequency of anthelmintic treatment (compared to <4 months)
  4–6 months 0.002 0.84 2.31 1.35–3.95
  >6 months 0.004 1.15 3.16 1.46–6.85
Constant <0.0001 –2.52

*Sampled July–November 2002, Powys and Gwent Counties, Wales. OR, odds ratio; CI, confidence interval.

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