Method of Pesticide Collection Pesticides Non-Dirt Floor1 (N=345) Dirt Floor1 (N=43) Comparing Prevalence p value2  Comparing Concentration p value3  Swept House Dust             Propoxur 9.9 9.3 1.000 0.808   Transfluthrin 4.1 7.0 0.418 0.390   Bioallethrin 24.6 27.9 0.709 0.718   Cyfluthrin 4.3 2.3 1.000 0.534   Cypermethrin 6.7 2.3  0.498  0.252 Vacuumed House Dust             Propoxur 4.9 2.3 0.706 0.437   Transfluthrin 3.2 2.3 1.000 0.749   Bioallethrin 26.4 20.9 0.579 0.577   Cyfluthrin 2.9 0.0 0.610 0.259   Cypermethrin 5.5 0.0 0.248  0.115 1% of positive cases is given 2Fisher’s Exact Test 3Mann-Whitney Test

Table 5: Comparing prevalence (%) and concentration of pesticides by type of flooring: Non-dirt floor includes cement, wood, linoleum, carpet, tile and marble floors.Dirt floor includes gravel/soil type of floor.

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