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Table 2 Multivariable results in the disease models for two different leptospira strains

From: Leptospira seroprevalence and associations between seropositivity, clinical disease and host factors in horses

  

Bratislava

Icterohaemorrhagiae

Variable

Category

est

se

OR

95% CI

est

se

OR

95%CI

Intercept

 

-3.814

0.309

-

-

-3.478

0.243

-

-

Age

(continuous)

0.049

0.016

1.0

1.0, 1.1

0.150

0.020

1.2

1.1,1.2

Gender

Mare

1.046

0.293

2.8

1.6, 5.1

NIM

-

-

-

 

Gelding

0.687

0.295

2.0

1.1, 3.5

NIM

-

-

-

 

Stallion

0

0

1.0

-

NIM

-

-

-

Breed

Coldblood

NIM

-

-

-

-1.026

0.452

0.4

0.1, 0.9

 

Warmblood

NIM

-

-

-

-0.027

0.214

1.0

0.6, 1.5

 

Thoroughbred

NIM

-

-

-

-0.462

0.409

0.6

0.3, 1.4

 

Pony

NIM

-

-

-

-0.619

0.339

0.5

0.3, 1.0

 

Standardbred

NIM

-

-

-

0

0

1.0

-

Racing

Not racing

0.982

0.164

2.7

1.9, 3.7

NIM

-

-

-

 

Racing

0

0

1.0

-

NIM

-

-

-

Season

Jan-Mar

0

0

1.0

-

0

0

1.0

-

 

Apr-June

0.722

0.185

2.1

1.4, 3.0

-0.234

0.261

0.8

0.5, 1.3

 

July-Sept

0.295

0.195

1.3

0.9, 2.0

0.290

0.244

1.3

0.8, 2.2

 

Oct-Dec

0.444

0.192

1.6

1.1, 2.3

0.581

0.235

1.8

1.1, 2.8

Health status

Healthy

NIM

-

-

-

-1.504

0.355

0.2

0.1, 0.4

 

Non-healthy

NIM

-

-

-

0

0

1.0

-

Respiratory problems

Yes

0.572

0.263

1.8

1.1, 3.0

NIM

-

-

-

 

No

0

0

1.0

-

NIM

-

-

-

Fatigue

Yes

1.279

0.351

3.6

1.8, 7.1

NIM

-

-

-

 

No

0

0

1.0

-

NIM

-

-

-

  1. The outcome is a titre of ≥ 1:100 to the respective agents. There were 1982 observations with 333 and 166 horses with positive titres to the respective agents
  2. NIM – not in model, est – estimate, se – standard error, OR – odds ratio, CI – confidence interval
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Acta Veterinaria Scandinavica

ISSN: 1751-0147