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Table 1 Association between treatments (pond size and strengths of suction fan) and catching efficiency of OviART gravid trap using a generalised linear mixed effects model

From: Field evaluation of two novel sampling devices for collecting wild oviposition site seeking malaria vector mosquitoes: OviART gravid traps and squares of electrocuting nets

Treatment Modelled mean per trap night (95 % CI) Rate ratio (RR) (95 % CI) P-value
Evaluation of pond size
Adults collected by the traps
 Prototype trap 20.4 (13.5–30.9) 1
 Trap with bigger basin and original fan 38.8 (26.0–57.9) 1.9 (1.1–3.4) 0.029
Eggs laid in traps
 Prototype trap 0.7 (0.1–3.2) 1
 Trap with bigger basin and original fan 71.4 (19.4–262.7) 109.8 (25.3–76.3) < 0.001
Evaluation of increased suction of fan
Adults collected by the traps
 Prototype trap 26.3 (21.1–32.7) 1
 Trap with bigger basin and stronger fan 36.2 (29.4–44.6) 1.4 (1.0–1.9) 0.037
Eggs laid in traps
 Prototype trap 6.5 (2.5–17.3) 1
 Trap with bigger basin and stronger fan 124.3 (50.5–306.4) 19.0 (5.0–71.8) < 0.001