Table 3 Knock-down and 24 hour mortality in contact bioassays on the inside surface of insecticide-treated tents after weathering.

Knock-down 1 h after exposure

3-minute exposure

100%

(100 – 100)

100%

(100 – 100)

92.9%

(85.2 – 96.8)

81.2%

(74.8 – 87.8)

10-minute exposure

100%

(100 – 100)

96.3%

(89.3 – 98.8)

85.2%

(76.2 – 91.2)

93.0%

(88.1 – 96.0)

Mortality 24 h after exposure

3-minute exposure

93.2%

(84.8 – 97.2)

100%

(100 – 100)

63.5%

(52.8 – 73.0)

83.0%

(76.7 – 87.8)

10-minute exposure

97.4%

(90.2 – 99.3)

97.6%

(90.8 – 99.4)

80.7%

(71.1 – 87.6)

91.3%

(86.0 – 94.7)