Table 3. Estimated mean number of non-malaria mosquitoes and overall number of mosquitoes collected per night from the odour-baited mosquito landing boxes (MLBs) fitted with one, two or three electrocuting grids during the wet season or dry season tests^ϕ.

		Culex species			Mansonia species			All mosquito species combined
Round 1 (Wet season)	No. Grids on MLB	Mean [95% CI]	RR [95% CI]	P value	Mean [95% CI]	RR [95% CI]	P value	Mean [95% CI]	RR [95% CI]	P value
	One Grid	2.61 [1.79–3.81]	REF	REF	14.66 [10.87–19.75]	REF	REF	20.24 [14.72–27.84]	REF	REF
	Two Grids	4.39 [2.68–4.88]	1.89 [1.03–2.64]	0.029	12.08 [10.85–13.45]	0.82 [0.74–0.92	<0.001	99.36 [82.35–119.89]	4.91 [4.07–5.92]	<0.001
	Three Grids	3.39 [2.56–4.15]	1.90 [0.98–2.59]	0.329	10.68 [9.50–12.01]	0.73 [0.65–0.82]	<0.001	41.53 [34.37–50.19]	2.05 [1.69–2.48]	<0.001
		Culex species			Mansonia species			All mosquito species combined
Round 2 (Dry season)	No. Grids on MLB	Mean [95% CI]	RR [95% CI]	P value	Mean [95% CI]	RR [95% CI]	P value	Mean [95% CI]	RR [95% CI]	P value
	One Grid	1.93 [1.24–2.99]	REF	REF	1.59 [1.01–2.51]	REF	REF	19.07 [13.77–26.41	REF	REF
	Two Grids	2.78 [2.24–3.44]	1.44 [1.16–1.79]	<0.001	2.05 [1.65–2.54	1.29 [1.04–1.59]	0.02	30.02 [27.77–32.45]	1.57 [1.46–1.70	<0.001
	Three Grids	3.70 [2.97–4.62]	1.92 [1.54–2.39]	<0.001	4.16 [3.32–5.21]	2.61 [2.08–3.27]	<0.001	33.05 [30.49–35.82]	1.73 [1.59–1.88]	<0.001

ϕ The RR stands for relative rate while REF stands for a reference category.

All the estimations were generated using Generalized Linear Mixed Effects Models in R [55].