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Table 3 Proportion of children (%) with one or more malaria infections during the study

From: The effect of insecticide-treated bed nets on the incidence and prevalence of malaria in children in an area of unstable seasonal transmission in western Myanmar

   

P. falciparum- ever

P. vivax- ever

Any malaria – ever

 

ITN (N)

Control (N)

ITN

NN

Risk ratio

Risk difference

ITN

NN

Risk ratio

Risk difference

ITN

NN

Risk ratio

Risk difference

Dabhine

              

Pair 1

695

740

89

305

0.31

- 28.4

151

243

0.66

- 11.2

214

429

0.53

- 27.2

   

(12.8)

(41.2)

  

(21.7)

(32.9)

  

(30.8)

(58.0)

  

Pair 2

527

662

126

80

1.98

+ 11.8

120

72

2.09

+ 11.9

215

139

1.94

+ 19.8

   

(23.9)

(12.1)

  

(22.8)

(10.9)

  

(40.8)

(21.0)

  

Pair 3

441

285

26

81

0.21

- 22.5

46

64

0.43

- 13.8

67

120

0.36

- 26.9

   

(5.9)

(28.4)

  

(10.4)

(22.5)

  

(15.2)

(42.1)

  

Pair 4

213

176

24

46

0.43

- 14.8

32

60

0.44

- 19.1

53

89

0.49

- 25.7

   

(11.3)

(26.1)

  

(15.0)

(34.1)

  

(24.9)

(50.6)

  

Pair 5

67

72

5

29

0.19

- 32.8

6

33

0.20

- 36.8

11

49

0.24

- 51.7

   

(7.5)

(40.3)

  

(9.0)

(45.8)

  

(16.4)

(68.1)

  

Myothugyi

              

Pair 6

77

44

8

4

1.14

+ 1.3

6

0

3.35

+ 5.4

12

4

1.71

+ 6.5

   

(10.4)

(9.1)

  

(7.7)

(0)

  

(15.6)

(9.1)

  

Pair 7

745

792

6

13

0.05

- 0.8

1

4

0.20

- 0.4

7

16

0.45

- 1.1

   

(0.8)

(1.6)

  

(0.1)

(0.5)

  

(0.9)

(2.0)

  

Pair 8

489

598

1

23

0.05

- 3.6

6

13

0.56

- 1.0

7

34

0.25

- 4.3

   

(0.2)

(3.8)

  

(1.2)

(2.2)

  

(1.4)

(5.7)

  

Pair 9

664

632

38

13

2.71

+ 3.6

28

6

4.20

+ 3.2

59

17

3.30

+ 6.2

   

(5.7)

(2.1)

  

(4.2)

(1.0)

  

(8.9)

(2.7)

  

Pair 10

148

108

18

24

0.55

- 10.0

5

4

0.92

- 0.3

19

26

0.53

- 11.3

   

(12.2)

(22.2)

  

(3.4)

(3.7)

  

(12.8)

(24.1)

  

Total

4066

4109

341

618

  

401

505

  

664

923

  
   

(8.4)

(15.0)

  

(9.9)

(12.3)

  

(16.3)

(22.5)

  

Weighted paired t-test

  

p = 0.23

p = 0.25

p = 0.35

  1. P. falciparum-ever includes P. falciparum + mixed, P. vivax-ever includes P. vivax + mixed. ITN: insecticide treated nets, NN: no nets.