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Table 2 Multivariate risk factor analysis of exposure to Rickettsia felis

From: Serological evidence of exposure to Rickettsia felis and Rickettsia typhi in Australian veterinarians

 

Population

Exposed

Coefficient (SE)

t

P

OR (95% CI)

Constant

  

0.111 (0.177)

0.625

0.534

 

Age

 20–39 years

34

12

0.033 (0.112)

0.294

0.769

1.033 (0.83–1.286)

 40–59 years

27

9

Reference

 60+ years

17

0

-0.28 (0.134)

-2.095

0.04

0.756 (0.582–0.982)

State

 SA or WA

7

0

Reference

 NSW or ACT

21

4

0.132 (0.185)

0.716

0.477

1.142 (0.794–1.641)

 QLD

15

3

0.151 (0.194)

0.78

0.438

1.163 (0.796–1.699)

 VIC or TAS

32

13

0.323 (0.179)

1.808

0.075

1.381 (0.973–1.96)

  1. Abbreviations: CI confidence interval, OR odds ratio, SE standard error
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Parasites & Vectors

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