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Table 2 Analysis of factors associated with mortality of snails after 25 weeks of follow-up

From: Field-derived Schistosoma mansoni and Biomphalaria pfeifferi in Kenya: a compatible association characterized by lack of strong local adaptation, and presence of some snails able to persistently produce cercariae for over a year

Variables

Bivariate analysis

Multivariate analysis

HR¥

95% CI€

P value

Adjusted HR

95% CI

P value

Lower

Upper

Lower

Upper

Miracidia

        

Negative control

0.35

0.26

0.47

<0.001

0.26

0.19

0.36

<0.001

Miracidia 1

1.00

   

1.00

   

Miracidia 5

1.05

0.85

1.29

0.648

1.11

0.90

1.36

0.336

Miracidia 10

1.36

1.11

1.67

0.003

1.52

1.23

1.87

<0.001

Miracidia 25

1.41

1.15

1.73

0.001

1.55

1.26

1.90

<0.001

Snail source

        

Mwea BP

2.19

1.90

2.53

<0.001

2.86

2.45

3.34

<0.001

Asao BP

1.00

   

1.00

   

Parasite source

        

Mwea SM

0.98

0.85

1.12

0.737

    

Asao SM

1.00

       
  1. ¥Hazard Ratio; €95% Confidence Interval.
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Parasites & Vectors

ISSN: 1756-3305

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