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Table 3 The use of sticky materials and detergents to assess if and where An. gambiae s.s. land on aquatic habitats when laying eggs

From: Electric nets and sticky materials for analysing oviposition behaviour of gravid malaria vectors

Treatment Mean no. of mosquitoes/eggs (95% CI) OR (95% CI) p
Experiment: Assessment of landing and egg-laying on the habitat surface
Mosquitoes    
wire screen 11.9 (8.1 –17.6) 1a  
spray glue 35.2 (27.4 – 45.1) 3.0 (2.1 – 4.1) b <0.001
detergent 41.7 (32.6 – 53.2) 3.5 (2.0 – 6.1) b <0.001
transparency 14.6 (10.8 – 19.7) 1.2 (0.7 – 2.0) a 0.460
site 1 20.4 (14.3 – 29.2) 1a  
site 2 16.4 (12.5 – 21.6) 0.8 (0.6 – 1.0) a 0.070
site 3 37.5 (26.1 – 54.0) 1.8 (1.3 – 2.5)b <0.001
site 4 29.0 (21.0 – 40.0) 1.4 (1.2 – 1.7) b <0.001
Eggs    
wire screen 39 (23–65) 1a  
spray glue 464 (344 – 628) 11.9 (6.8 – 20.9) b <0.001
detergent 12 (4 – 34) 0.3 (0.1 – 0.8) c 0.018
transparency 23 (10 – 52) 0.6 (0.3 – 1.1) ac 0.109
site 1 105 (42 – 259) 1a  
site 2 79 (29 – 219) 0.8 (0.4 – 1.6) a 0.546
site 3 173 (68 – 439) 1.8 (1.1 – 3.1) b 0.026
site 4 181 (79 – 419) 1.8 (1.3 – 2.5) b 0.001
Experiment: Assessment of landing on the habitat edge for egg-laying
Mosquitoes    
spray glue 13 (9.4 – 18.0) 1a  
yellow sticky film 5.4 (3.0 – 10.0) 0.4 (0.2 – 0.8) b 0.012
transparent double-sided sticky film 5.3 (4.0 – 7.3) 0.4 (0.2 – 0.6) b <0.001
site 1 4.9 (3.1 – 7.7) 1a  
site 2 10.8 (6.7 – 17.5) 2.5 (1.5 – 4.1) b <0.001
site 3 9.0 (6.0 – 13.6) 1.9 (1.0 – 3.5)b 0.036
site 4 7.1 (4.1 – 12.2) 1.7 (0.8 – 2.9) a 0.062
Eggs    
spray glue 358 (232 – 552) 1a  
yellow sticky film 363 (240 – 549) 1.0 (0.6 – 1.7) a 0.930
transparent double-sided sticky film 297 (178 – 497) 0.8 (0.5 – 1.4) a 0.420
Experiment: Evaluation of sequence of landing on habitat during oviposition
surface catch (detergent) 42.5 (37.7 – 47.9) 1  
edge catch (spray glue) 7.4 (5.1 – 10.8) 0.17 (0.12 – 0.25) <0.001
  1. Results from generalized linear models for individual experiments.
  2. CI=confidence interval.
  3. OR=odds ratio.
  4. Multiple comparison of treatments: treatments denoted with same letter are not significantly different.