Table 6 Bivariable logistic regression analysis for Rickettsia typhi antibody detection in Rattus rattus and Rattus norvegicus.

Landscape structure

Residential- public ^b

Ref

–

–

Army camps

0.90

0.46, 1.68

0.7

Commercial sites

0.28

0.16, 0.48

 < 0.001

Construction sites

0.18

0.05, 0.45

0.001

Food establishments

0.66

0.38, 1.10

0.12

Industrial areas

2.05

1.13, 3.73

0.018

Parks

0.42

0.15, 0.96

0.056

Residential- private

0.50

0.16, 1.27

0.2

Schools

2.70

0.77, 10.7

0.13

Shipyards

2.29

1.03, 5.24

0.043

Species

Rattus rattus ^b

Ref

–

–

Rattus norvegicus

1.15

0.78, 1.73

0.5

Sex

Male ^b

Ref

–

–

Female

1.21

0.94, 1.56

0.14

Weight (g)

Rattus rattus

1.007

1.001, 1.013

0.035

Rattus norvegicus

1.005

1.004, 1.006

 < 0.001