Skip to main content

Table 2 Association between CpHV-1 seropositivity and potential herd-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. tested animals

No. positive animals

Prevalence (%)

PR (95% CI)

P-values

Presence of CAEV-infected goats

No

1610

57

3.5

Referent

 

Yes

2132

428

20.1

5.7 (4.3–7.5)

0.000

Breeding type

Dairy

859

8

0.93

Referent

 

Meat/mixed

3581

613

17.1

18.4 (9.2–36.9)

0.000

Management type

Confined

1753

104

5.9

Referent

 

Extensive

2665

505

18.8

3.2 (2.6–3.9)

0.000

Herd size (no. of animals)*

1 (< 9 goats)

506

50

9.9

Referent

 

2 (9–21 goats)

777

99

12.7

1.3 (0.91–1.8)

0.143

3 (> 21 goats)

3259

481

14.8

1.5 (1.1–2.0)

0.007

Presence of co-inhabitant cattle

No

2221

158

7.1

Referent

 

Yes

2321

472

20.3

2.9 (2.4–3.4)

0.000

  1. *extension of the Wilcoxon rank-sum test for the herd size variable = 3.11; P value = 0.002