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Table 3 Plasmodium falciparum sporozoite rates and logistic regression model results*

From: Shifts in malaria vector species composition and transmission dynamics along the Kenyan coast over the past 20 years

Variables

# Tested

% Positive

OR

95% CI

P value

All

 

33,383

4.60

   

Explanatory

     

Year

     
 

1997

1,027

5.94

1

  
 

1998

335

3.88

0.65

(0.35-1.19)

0.162

 

2000

5,555

7.96

1.50

(1.12-2.01)

0.006

 

2001

4,521

6.83

1.24

(0.92-1.67)

0.154

 

2002

17,210

3.83

0.68

(0.51-0.91)

0.010

 

2003

451

8.65

1.38

(0.90-2.12)

0.141

 

2007

1,601

0.19

0.03

(0.01-0.10)

<0.001

 

2008

2,683

0.34

0.06

(0.03-0.11)

<0.001

Season

     
 

Long Wet

18,214

4.62

1

  
 

Short Wet

3,206

4.09

1.00

(0.81-1.22)

0.968

 

Long Dry

4,095

4.71

1.23

(1.02-1.49)

0.034

 

Short Dry

7,868

4.70

1.14

(1.00-1.29)

0.044

  1. * Bold = significant at 5% level; OR = odds ratio; CI = confidence interval.