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Table 6 Associations of P. falciparum and P. vivax infection with other Plasmodium infections and demographics; results of logistic regression analysis allowing for random village effects. N = 1319 individuals from 8 villages

From: Sub-microscopic malaria cases and mixed malaria infection in a remote area of high malaria endemicity in Rattanakiri province, Cambodia: implication for malaria elimination

  

P. falciparum infections

P. vivax infections

   

Prevalence

   

Prevalence

  
 

N

positive

rate

OR

IC95%

 

p-value

positive

rate

OR

IC95%

 

p-value

P. falciparum infection

             

Not detected*

540

      

77

14,3%

1,00

   

Detected*

779

      

114

14,6%

0,92

0,66

1,30

0,647

P. vivax infection

             

Not detected*

1128

665

59,0%

1,00

         

Detected*

191

114

59,7%

0,90

0,64

1,26

0,535

      

P. malariae infection

             

Not detected*

1173

680

58,0%

1,00

   

168

14,3%

1,00

   

Detected*

146

99

67,8%

1,34

0,91

1,99

0,138

23

15,8%

1,17

0,71

1,90

0,540

P. ovale infection

             

Not detected*

1301

769

59,1%

1,00

   

183

14,1%

1,00

   

Detected*

18

10

55,6%

0,63

0,23

1,73

0,367

8

44,4%

4,35

1,64

11,49

0,003

Sex

             

Female

723

400

55,3%

1,00

   

92

12,7%

1,00

   

Male

596

379

63,6%

1,54

1,21

1,96

<0,001

99

16,6%

1,35

0,98

1,86

0,064

Age groups (years)

             

< 1

50

14

28,0%

1,00

   

7

14,0%

1,00

   

1

41

14

34,1%

1,69

0,67

4,21

0,264

14

34,1%

3,77

1,33

10,71

0,013

2

66

35

53,0%

3,35

1,51

7,46

0,003

8

12,1%

0,89

0,30

2,68

0,838

3

58

38

65,5%

6,06

2,61

14,08

<0,001

12

20,7%

1,71

0,60

4,85

0,313

4

51

37

72,5%

7,99

3,29

19,43

<0,001

7

13,7%

1,02

0,32

3,20

0,978

5-9

225

173

76,9%

10,85

5,33

22,10

<0,001

41

18,2%

1,45

0,59

3,57

0,418

10-14

134

106

79,1%

12,78

5,93

27,55

<0,001

27

20,1%

1,66

0,65

4,27

0,290

15-19

95

61

64,2%

6,21

2,87

13,43

<0,001

9

9,5%

0,69

0,23

2,02

0,494

20-39

401

212

52,9%

3,41

1,75

6,62

<0,001

46

11,5%

0,86

0,36

2,07

0,742

40-60

146

66

45,2%

2,43

1,19

4,96

0,014

15

10,3%

0,72

0,27

1,91

0,513

>60

52

23

44,2%

2,48

1,06

5,79

0,035

5

9,6%

0,64

0,19

2,23

0,488

Ethnic groups

             

Jaray

269

133

49,4%

1,00

   

44

16,4%

1,38

0,92

2,06

0,115

Tampoun

801

482

60,2%

1,86

1,19

2,90

0,007

96

12,0%

1,00

   

Brao

249

164

65,9%

2,60

1,52

4,47

0,001

51

20,5%

2,03

1,38

2,99

<0,001

  1. * by RFLP-dHPLC