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Table 1 Association between CpHV-1 seropositivity and potential host-level risk factors as estimated by univariate analysis for caprine herpesvirus-1 infection in Piedmont (Italy). N = 4542 (PR = prevalence ratio)

From: A cross-sectional study to identify a set of risk factors for caprine herpesvirus 1 infection

Risk factor Exposure level No. of tested animals No. of positive animals Prevalence (%) PR (95% CI) P-values
Sex Female 3762 581 15.4 Referent  
Male 244 35 14.3 0.93 (0.66–1.3) 0.671
Breed Saanen 629 9 1.4 Referent  
Chamoisee 784 45 5.7 4.0 (2.0–8.2) 0.000
Alpine 629 88 14.0 9.8 (4.9–19.4) 0.000
All others 1901 466 24.5 17.1 (8.9–33.1) 0.000
Age* 1. (2–16 months) 914 47 5.1 Referent  
2. (17–31 months) 913 80 8.8 1.7 (1.2–2.4) 0.004
3. (32–56 months) 916 196 21.4 4.2 (3.0–5.7) 0.000
4 (> 56 months) 917 265 28.9 5.6 (4.1–7.7) 0.000
  1. *extension of the Wilcoxon rank-sum test for the age variable = 15.5, P value = 0.000