Table 2 An. gambiae s.l. average monthly biting trends by district, settings and seasons (May 2016 to February 2017)

Donga

Djougou

2

2.88

9.13

13.06

9.06

2.38

5.13

6.55^a

[6.07–7.06]

1

–

Copargo

0.75

7.06

10.56

16.63

10.5

1.5

2.25

7.51^b

[7.00–8.06]

1.15 [1.03–1.27]

0.0089

Alibori

Kandi

0.13

4.19

6.75

8.75

10.81

0.25

0.31

4.78^c

[4.37–5.22]

0.73 [0.65–0.82]

< 0.001

Gogounou

0.38

1.31

4.56

9

10.63

2

0.94

4.4^c

[4–4.83]

0.67 [0.59–0.76]

< 0.001

Settings

Urban area

0.13

0.63

2.78

5.09

4.28

0.72

0.78

2.18^a

[1.99–2.39]

1

–

Rural area

1.50

7.09

12.72

18.63

16.22

2.34

3.53

9.42^b

[9.01–9.85]

4.27 [3.85–4.75]

< 0.0001

Location

Indoor

1.06

3.53

8.50

12.13

11.97

1.97

2.81

6.37^a

[6.03–6.72]

1

–

Outdoor

0.56

4.19

7.00

11.59

8.53

1.09

1.50

5.25^b

[4.95–5.58]

0.83 [0.76–0.89]

< 0.001

Seasonality

Dry season

0.81

–

–

–

–

1.53

2.16

2.27^a

[2.07–2.47]

1

–

Rainy season

–

3.86

7.75

11.86

10.25

–

–

9.95^b

[9.51–10.40]

4.38 [3.97–4.83]

< 0.0001