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Table 5 Multivariate adjusted analysis for the risk of exposure to Plasmodium falciparum using survey logistic regression

From: Assessing malaria transmission in a low endemicity area of north-western Peru

Risk factors

Positive Pf GLURP-19

Unadjusted

Adjusted

 

%

95% CI

n

N

OR

95% CI

OR

95% CI

Settlement

        
 

PAV

7.4

[5.9; 9.3]

83

1,123

1.0

 

1.0

 

JCM

9.6

[7.6; 12.2]

76

789

1.3

[0.9; 1.9]

1.5*

[1.02; 2.1]

NP

13.6

[11; 16.5]

100

738

2.0*

[1.4; 2.8]

2.2*

[1.6; 3.2]

House distance to water drain (m)

        
 

>250

10.6

[8.7; 12.8]

114

1,080

1.0

 

-

 

100–250

8.7

[7.3; 10.4]

121

1,388

0.8

[0.6; 1.1]

-

 

<100

13.2

[8.7; 19.5]

24

182

1.3

[0.8; 2.2]

-

 

Age groups (years)

        
 

0.5–5

3.7

[2.9; 7.4]

16

432

1.0

 

1.0

 

6–10

7.4

[3.4; 8.0]

30

404

2.1*

[1.1; 3.9]

2.1*

[1.1; 3.8]

11–19

12.5

[9.7; 15.9]

61

490

3.7*

[2.1; 6.5]

3.2*

[1.9; 5.3]

20–39

10.3

[8.4; 12.5]

91

888

3.0*

[1.8; 5.0]

  

> = 40

14.0

[11.0; 17.6]

61

436

4.2*

[2.4; 7.4]

4.7*

[2.6; 8.3]

Education

        
 

None

6.0

[4.2; 8.5]

29

483

1.0

 

-

 

Primary

10.0

[8.3; 12]

105

1,051

1.7*

[1.1; 2.7]

-

 

Secondary

11.1

[9.2; 13.4]

104

937

2.0*

[1.3; 3]

-

 

Superior

11.8

[7.8; 17.6]

21

178

2.1*

[1.2; 3.8]

-

 

Income amount

        
 

None

9.2

[8; 10.6]

190

2,064

1.0

 

-

 

< 650 PEN

11.8

[9.1; 15.1]

54

458

1.3

[0.96; 1.8]

-

 

> = 650 PEN

14.5

[8.4; 23.8]

12

83

1.7

[0.9; 3.1]

-

 

Occupation as farmer (previous 12 months)

        
 

No

9.6

[8.4; 10.9]

248

2,587

1.0

 

-

 

Yes

17.5

[9.9; 29]

11

63

2.0*

[1.03; 3.9]

-

 

Occupation as moto-taxi driver (previous 12 months)

        
 

No

9.5

[8.3; 10.8]

245

2,581

1.0

 

1.0

 

Yes

20.3

[12.4; 31.4]

14

69

2.4*

[1.3; 4.4]

2.1*

[1.1; 3.8]

Bed net use

        
 

Never/Sometimes

11.3

[9.5; 13.4]

141

1,244

1.0

 

-

 
 

Always

8.5

[7.1; 10.2]

118

1,392

0.7*

[0.6; 0.96]

-

 
  1. * p < 0.05.
  2. Included all ages between 11 and 39 years.