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Table 1 Protective efficacy of personal protection methods compared to short untreated clothing for all female mosquito species

From: Field evaluation of personal protection methods against outdoor-biting mosquitoes in Lao PDR

Time Clothing and treatment Total no. collected Average collections per collection day (95% CI) Protective efficacy (95% CI) P
Afternoon Short permethrin-treated 1331 47.5 (33.3–61.8) 19.3 (3.0–36.8) 0.085
Long permethrin-treated 593 21.8 (14.5–27.9) 61.1 (51.4–68.8) <0.001*
Short untreated + repellent 664 23.7 (16.1–31.3) 55.0 (41.7–65.2) <0.001*
Short permethrin-treated + repellent 421 15.0 (10.3–19.8) 68.2 (52.6–78.7) <0.001*
Short untreated + coil 138 4.9 (2.5–7.4) 92.3 (88.9–94.6) <0.001*
Long untreated 1396 49.9 (36.3–63.4) 14.2 (9.0–32.5) 0.209
Short untreated 1557 55.6 (39.8–71.4) 1  
Evening Short permethrin-treated 1187 21.2 (16.4–26.0) 12.6 (-14.6–33.4) 0.329
Long permethrin-treated 809 14.4 (10.0–18.9) 43.0 (25.5–56.4) <0.001*
Short untreated + repellent 1039 18.6 (12.8–24.3) 25.2 (9.4–38.2) 0.003*
Short permethrin-treated + repellent 707 12.6 (8.4–16.9) 52.3 (33.8–65.7) <0.001*
Short untreated + coil 499 8.9 (4.5–13.4) 68.8 (41.7–83.3) <0.001*
Long untreated 1233 22.0 (16.2–27.9) 7.3 (-14.7–25.1) 0.484
Short untreated 1359 24.3 (18.7–29.8) 1  
  1. Notes: Results are shown using generalized estimating equations and 95% confidence interval (CI). Afternoon collections were undertaken from 12:00 to 18:00 h in the secondary forest of Silalek village. The evening collections were undertaken from 17:00 to 23:00 h at the primary school of Thinkeo village
  2. *P < 0.05