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Table 2 Protection conferred indoors and outdoors against anopheline and culicine species in all three rice farms when 1.5% transfluthrin-treated eave ribbons were fitted along the eaves of rice farm huts

From: Protecting migratory farmers in rural Tanzania using eave ribbons treated with the spatial mosquito repellent, transfluthrin

Mosquito species Treatment Indoors Outdoors
Total number Geometric mean (LCI-UCI) % protection (LCI-UCI) p value Total number Geometric mean (LCI-UCI) % Protection (LCI-UCI) p value
Anopheles arabiensis Untreated 2526 9.4 (8.0–11.0) < 0.001 135 1.7 (1.4–2.0) 0.034
1.5% transfluthrin 1131 4.8 (4.2–5.5) 56 (47–64) 80 1.3 (1.1–1.6) 38 (3–60)
Anopheles funestus Untreated 751 3.0 (2.5–3.6) 0.001 21 1.2 (1.0–1.5) 0.413
1.5% transfluthrin 445 2.4 (2.1–2.8) 36 (16–50) 15 1.2 (1.0–1.5)
Culex species Untreated 2986 7.8 (6.5–9.3) < 0.001 100 2.0 (1.6–2.5) 0.003
1.5% transfluthrin 656 3.2 (2.8–3.7) 72 (65–77) 38 1.3 (1.1–1.5) 62 (29–80)  
Mansonia species Untreated 3510 12.9 (10.8–15.5) < 0.001 290 2.3 (1.9–2.7) 0.001
  1.5% transfluthrin 628 3.8 (3.2–4.4) 80 (75–85) 150 1.8 (1.5–2.2) 49 (24–66)
  1. Each treatment arm had 48 nights of sampling. Percentage protective efficacy is estimated for each treatment relative to the respective controls
  2. LCI lower confidence interval, UCI upper confidence interval, p value Walds p value