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Table 1 Estimates of a negative binomial regression for the comparison of outdoor host-seeking anopheline density between HBLT and CDC light trap in Ahero and Iguhu, western Kenya

From: Evaluation of human-baited double net trap and human-odour-baited CDC light trap for outdoor host-seeking malaria vector surveillance in Kenya and Ethiopia

Site and species

Traps

Number collected

EMM (95% CI)

OR (95% CI)

p value

Ahero

 An. arabiensis

HBLT

332

5.52 (4.19–7.26)

2.23 (1.49–3.36)

< 0.001*

Light trap

149

2.47 (1.83–3.33)

1.0a

 

 An. funestus s.l.

HBLT

99

1.65 (1.20–2.27)

2.11 (1.28–3.47)

0.003*

Light trap

47

0.78 (0.53–1.15)

1.0a

 

 An. pharoensis

HBLT

554

8.21 (6.27–10.75)

1.28 (0.87–1.87)

0.213

Light trap

421

6.43 (4.89–8.46)

1.0a

 

 An. coustani

HBLT

641

9.06 (6.93–11.86)

1.16 (0.79–1.71)

0.442

Light trap

497

7.80 (5.95–10.23)

1.0a

 

Iguhu

 An. gambiae s.l.

HBLT

15

0.22 (0.12–0.41)

2.10 (0.79–5.57)

0.137

Light trap

7

0.11 (0.05–0.24)

1.0a

 

 An. funestus group

HBLT

10

0.16 (0.08–0.31)

1.65 (0.56–4.87)

0.360

Light trap

6

0.10 (0.04–0.22)

1.0a

 

 An. coustani

HBLT

4

0.07 (0.02–0.18)

4.0 (0.43–36.94)

0.221

Light trap

1

0.02 (0.002–0.12)

1.0a

 

Total anophelines

HBLT

1655

12.74 (10.58–15.35)

1.43 (1.09–1.86)

0.009*

Light trap

1128

8.92 (7.38–10.78)

1.0a

 
  1. A total of 60 trap-nights were conducted for each trap in each study site
  2. HBLT human odour-baited CDC light trap, EMM estimated marginal mean density, OR odds ratio, CI confidence interval
  3. * Statistically significant
  4. aReference value