Table 5 The average number of Anopheles funestus s.l. collected per CDC LT collection-night during the cluster-randomized trial, by IRS status

Sep-16

0.10 (0.03–0.18)

0.68 (0.39–1.02)

4.12

< 0.001

Oct-16

0.28 (0.15–0.42)

0.47 (0.30–0.65)

0.90

0.832

Nov-16

0.14 (0.06–0.22)

0.02 (0.00–0.05)

0.41

0.299

Dec-16

0.37 (0.20–0.55)

0.41 (0.25–0.60)

0.82

0.542

Jan-17

–

–

–

–

Feb-17

–

–

–

–

Mar-17

4.01 (2.87–5.50)

0.34 (0.21–0.48)

0.21

< 0.001

Apr-17

9.47 (6.62–13.40)

3.61 (2.51–5.06)

0.45

0.006

May-17

5.98 (4.15–8.45)

3.25 (2.35–4.40)

0.44

0.004

Jun-17

2.46 (1.67–3.49)

1.20 (0.80–1.69)

0.53

0.004

Jul-17

1.32 (0.85–1.91)

0.48 (0.26–0.75)

0.75

0.364

Aug-17

1.17 (0.76–1.67)

0.70 (0.43–1.01)

0.70

0.270

Sep-17

0.99 (0.64–1.41)

0.63 (0.38–0.92)

0.85

0.553

Oct-17

0.43 (0.26–0.62)

0.73 (0.45–1.06)

1.82

0.016

Nov-17

0.74 (0.51–1.02)

0.24 (0.12–0.37)

0.88

0.635

Dec-17

1.19 (0.80–1.66)

0.41 (0.24–0.61)

0.58

0.095

Jan-18

1.22 (0.75–1.81)

0.18 (0.08–0.30)

0.29

< 0.001

Feb-18

0.98 (0.63–1.41)

0.39 (0.23–0.57)

0.36

< 0.001

Mar-18

1.63 (1.09–2.30)

0.16 (0.06–0.27)

0.30

< 0.001

Apr-18

–

–

–

–

May-18

1.32 (0.81–1.97)

0.34 (0.18–0.52)

0.22

 < 0.001

Jun-18

1.42 (0.93–2.04)

0.38 (0.22–0.56)

0.32

0.001

Jul-18

0.81 (0.53–1.15)

0.29 (0.17–0.41)

0.35

0.001

Aug-18

0.40 (0.22–0.61)

0.22 (0.11–0.34)

0.33

0.017

Sep-18

0.56 (0.34–0.83)

0.18 (0.08–0.28)

0.48

0.001

Oct-18

0.70 (0.41–1.04)

0.29 (0.15–0.43)

0.52

0.123

Overall^c

1.34 (1.22–2.46)

0.57 (0.52–0.62)

0.52

< 0.001