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Table 3 Odds ratios of clinical malaria infection among children given their site of residence

From: Micro-epidemiology of Plasmodium falciparum malaria: Is there any difference in transmission risk between neighbouring villages?

Variables

 

PYs

Episodes

OR

p-value

95% CI

All

 

758.0

597

   

Explanatory

      

Site

Goni

224.4

210

1

  
 

Nouna

219.6

165

0.70*

0.023

0.52–0.95

 

Cissé

150.9

117

0.66*

0.042

0.44–0.98

 

Kodougou

163.1

134

1.49**

0.009

1.10–2.01

Co-variables

      

Gender

Male

367.6

280

1

  
 

Female

390.4

317

1.01

0.889

0.86–1.19

Age in months

> 12

14.7

10

2.28*

0.015

1.18–4.42

 

12–23

149.3

144

2.09***

0.000

1.63–2.67

 

24–35

168.4

164

1.98***

0.000

1.10–2.02

 

36–47

178.7

145

1.60***

0.000

1.25–2.04

 

48+

246.8

134

1

  

Ethnicity

Peulh

151.5

123

1

  
 

Mossi

219.2

176

0.56**

0.007

0.37–0.85

 

Marka

247.7

206

0.81

0.280

0.55–1.19

 

Bwaba

59.6

53

0.74

0.238

0.45–1.22

 

Samo

69.3

33

0.51**

0.009

0.31–0.85

 

Others

10.7

6

0.80

0.611

0.33–1.92

Net use

No

456.3

229

1

  
 

Yes

301.7

368

1.14

0.186

0.94–1.40

Water point

No

653.7

526

1

  
 

Yes

104.3

71

0.91

0.574

0.65–1.27

Farm

No

476.7

271

1

  
 

Yes

281.3

326

1.46***

0.000

1.21–1.78

Animal enclosure

No

266.9

227

1

  
 

Yes

491.1

370

0.95

0.612

0.79–1.15

Breeding site

No

697.3

548

1

  
 

Yes

60.7

49

1.02

0.921

0.69–1.50

Season

Dry

443.5

225

1

  
 

Rainy

314.5

372

2.19***

0.000

1.82–2.65

  1. * Significant at the 0.05 level, ** Significant at the 0.01 level, *** Significant at the 0.001 level, PYs = Person years, OR = Odds ratio