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Table 3 Comparison of the means of males and females feeding on natural sugar versus those feeding on ASB per village (± SE with 95% CI of the difference between means)

From: Large-scale field trial of attractive toxic sugar baits (ATSB) for the control of malaria vector mosquitoes in Mali, West Africa

Month

Day 2—Anthrone positive (Natural sugar-fed) vs. ASB positive

Female anth

Female ASB

 

Male anth

Male ASB

Meana ± SE

Mean ± SE

Diff

95% CIb

P value

Month

Meana ± SE

Mean ± SE

Diff

95% CIb

P value

Apr N = 88

0.71 ± 0.29

5.86 ± 1.65

5.15

7.42

2.88

< 0.0001

Apr N = 2

0.00 ± 0.00

0.14 ± 0.14

0.14

1.32

0.00

0.5010

May N = 60

0.43 ± 0.20

3.71 ± 1.17

3.28

5.55

1.01

0.0010

May N = 1

0.00 ± 0.00

0.00 ± 0.00

0.00

1.18

0.00

0.9720

Jun N = 80

0.57 ± 0.30

4.29 ± 1.87

3.72

5.99

1.45

0.0010

Jun N = 3

0.14 ± 0.14

0.14 ± 0.14

0.00

1.18

0.00

0.9940

Jul N = 320

7.57 ± 1.54

16.14 ± 2.23

8.57

10.84

6.30

0.0050

Jul N = 310

5.86 ± 0.63

15.29 ± 1.19

9.43

10.61

8.25

< 0.0001

Aug N = 350

10.86 ± 1.79

13.86 ± 1.75

3.00

5.27

0.73

0.0034

Aug N = 350

8.00 ± 1.21

15.43 ± 1.53

7.43

8.61

6.25

< 0.0001

Sept N = 350

6.71 ± 1.04

17.57 ± 2.37

10.86

13.13

8.59

< 0.0001

Sept N = 350

5.71 ± 0.61

15.71 ± 1.34

10.00

11.18

8.82

< 0.0001

Oct N = 350

6.71 ± 1.13

15.14 ± 1.99

8.43

10.70

6.16

0.0030

Oct N = 300

6.00 ± 0.93

13.86 ± 1.03

7.86

9.04

6.68

< 0.0001

Nov N = 300

2.71 ± 0.68

16.00 ± 2.17

13.29

15.56

11.02

< 0.0001

Nov N = 60

0.29 ± 0.18

3.29 ± 1.04

3.00

4.18

1.82

0.0020

Dec N = 250

1.71 ± 0.52

11.57 ± 1.38

9.86

12.13

7.59

< 0.0001

Dec N = 5

0.14 ± 0.14

0.29 ± 0.29

0.15

1.33

0.00

0.9980

  1. Catches of the first night post-presentation of ASB (Day 2)
  2. N = Total pooled sample size from all villages
  3. Diff difference between means
  4. aMean positive per village
  5. bColumn 1 = upper limit, column 2 = lower limit