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Table 2 The effect of host prevalence on primary and secondary malaria vector abundance

From: Seasonal variation in abundance and blood meal sources of primary and secondary malaria vectors within Kilombero Valley, Southern Tanzania

Household number

Host abundance (n)

Primary vector abundance

Secondary vector abundance

Humans

Bovine

Chickens

Sheep

Dogs

Cats

Goats

Total (n)

Mean

RRa

Lowera

Uppera

P-valuea

Total (n)

Mean

RRa

Lowera

Uppera

P-valuea

5

18

30

18

17

6

1

0

336

3.73

1.00

–

–

N/A

152

1.69

1.00

–

–

N/A

1

22

 > 200

 > 35

60

20

10

0

152

1.69

0.55

0.33

0.91

0.0195

54

0.60

0.40

0.16

0.96

0.0395

2

15

 > 70

 > 50

0

0

3

0

169

1.88

0.51

0.31

0.84

0.0078

40

0.44

0.13

0.05

0.35

0.0001

3

23

 > 58

 > 70

10

5

3

6

177

1.97

1.14

0.70

1.86

0.6045

64

0.71

0.34

0.14

0.84

0.0196

4

14

10

 > 35

14

2

4

0

173

1.92

0.67

0.41

1.10

0.1127

33

0.37

0.15

0.06

0.41

0.0002

6

5

0

20

0

0

0

0

119

1.32

0.31

0.19

0.52

0.0000

49

0.54

0.29

0.12

0.72

0.0074

7

13

35

30

0

1

2

0

151

1.68

0.83

0.51

1.36

0.4561

74

0.82

0.60

0.25

1.45

0.2558

8

22

20

25

0

3

0

0

66

0.73

0.26

0.15

0.45

0.0000

22

0.24

0.11

0.04

0.32

0.0000

9

13

 > 20

 > 25

0

2

2

2

116

1.29

0.46

0.28

0.77

0.0031

33

0.37

0.16

0.06

0.42

0.0002

10

18

9

 > 30

0

4

3

0

109

1.21

0.39

0.23

0.65

0.00

32

0.36

0.13

0.05

0.35

0.00

  1. GLMM Generalized linear mixed model, RR relative risk
  2. aHousehold number 5 was used as reference in the GLMM