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Table 7 Factors associated with loss of insecticide bio-efficacy

From: A tracking tool for long-lasting insecticidal (mosquito) net intervention following a 2011 national distribution in Benin

Factors Modalities N ineffective Total % ineffective OR OR (95%CI) P (Wald test) P (LR-test)
Frequency of LLIN use Often 11 28 39.29 1.00 - - 0.028
  Every night 89 144 61.81 2.50 [1.09-5.73] 0.031  
Sleeping material Bed 65 104 62.50 1.00 - - 0.0117
  Mat 35 68 51.47 0.64 [0.34-1.17] 0.12  
Washing frequency None 31 53 58.49 1.00 - - 0.728
  1 28 50 56.00 0.90 [0.41-1.97] 0.431  
  2-5 41 69 59.42 1.04 [0.50-2.15] 0.751  
Location of the Kitchen Outside 86 151 56.95 1.00 - - 0.451
  Inside 14 021 66.67 1.51 [0.58-3.96] 0.455  
LLINs maintenance Good 33 064 51.56 1.00 - - 0.489
  Low 67 108 62.04 1.54 [0.82-2.87] 0.489  
Distance to water for washing >5 km 59 100 59.00 1.00 - - 0.17
  <0.5 km 41 072 56.94 0.92 [0.5-1.7] 0.174