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Table 3 Factors associated with the abundance of Aedes albopictus mosquitoes

From: Distribution of Aedes mosquito species along the rural–urban gradient in Lambaréné and its surroundings

Ecological predictors

Number of observations

Estimate of regression coefficient β

95% Confidence interval

P-value

Access to water

 Tap

44

1

 Rain

26

2.51

[− 2.0, 7.0]

0.274

 River

33

1.81

[− 2.4, 6.0]

0.397

 Wells

6

− 0.29

[− 8.3, 7.7]

0.943

Vegetation type

 Urban forest

20

1

 Herbaceous

49

1.26

[-2.0, 4.6]

0.448

 Rubber field

6

15.9

[10, 22

 < 0.001

 Tropical forest

20

0.55

[− 3.4, 4.5]

0.783

Type of crops

 No cultivated crops

50

1

 Hevea brasiliensis

4

23.19

[17, 30]

 < 0.001

 Manihot esculenta

21

3.34

[0.18, 6.5]

0.038

Presence of fruit trees

 No

29

1

 Yes

52

− 1.69

[− 5.3, 1.9]

0.346

Presence of breeding sites

 No

33

1

 Yes

48

2.28

[− 1.2, 5.7]

0.192

Status of breeding sitea

 Negative

25

1

 Positive

23

5.52

[0.02, 11]

0.049

  1. aNegative or positive status means absence or presence, respectively, of larvae in the breeding site