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Table 1 Washing frequency and net appearance

From: Interceptor® long-lasting insecticidal net: phase III evaluation over three years of household use and calibration with Phase II experimental hut outcomes

  Interceptor LN alpha-cypermethrin CTN
    % general aspect of nets    % general aspect of nets
Survey (month) No. nets Mean no. of washesa Clean Slightly dirty Dirty Very dirty No. nets Mean no. of washesa Clean Slightly dirty Dirty Very Dirty
0 30 0 100 0 0 0 30 0 100 0 0 0
6 30 3 30 40 30 0 30 4 23 47 27 3
12 30 3 13 30 47 10 30 2 20 27 40 13
18 30 2 3 0 97 0 - - - - - -
24 30 1 23 0 73 4 - - - - - -
30 30 2 10 37 43 10 - - - - - -
36 30 2 10 20 43 27 - - - - - -
  1. aMean number of washes during the six monthly periods