Skip to main content

Advertisement

Table 5 Absorbed permethrin dose estimated from volume-weighted concentrations (V) and amounts (A) of DCCA

From: Concentrations versus amounts of biomarkers in urine: a comparison of approaches to assess pyrethroid exposure

   Permethrin absorbed dose
  Relative urinary flow rate (A) Estimated from cumulative amounts (μg/kg bw/day) (V) Estimated from volume-weighted concentrationsa (μg/kg bw/day) V/A
Adults     
   Urban     
  Lowestb 0.00354 0.0238 6.7
  5th percentilec 0.0564 0.134 2.4
  Mediand 0.00941 0.0137 1.5
  95th percentilee 0.00571 0.00390 0.68
  Highestf 0.0304 0.0111 0.37
   Rural     
  Lowestb 0.00143 0.00337 2.4
  5th percentilec 0.0113 0.0295 2.6
  Mediand 0.00573 0.00725 1.3
  95th percentilee 0.00241 0.00108 0.45
  Highestf 0.0203 0.0123 0.61
Children     
   Urban     
  Lowestb 0.0185 0.0365 2.0
  5th percentilec 0.00551 0.00833 1.5
  Mediand 0.00537 0.00621 1.2
  95th percentilee 0.0310 0.0170 0.55
  Highestf 0.0258 0.00780 0.30
   Rural     
  Lowestb 0.00481 0.00941 2.0
  5th percentilec 0.104 0.222 2.1
  Mediand 0.00966 0.00970 1.0
  95th percentilee 0.0183 0.0115 0.63
  Highestf 0.0188 0.00980 0.52
  1. aCalculated according to the method of Fenske et al. [37]
  2. bAbsorbed dose estimates for the participant with the lowest urinary flow rate
  3. cAbsorbed dose estimates for the participant with the urinary flow rate closest to the 5th percentile value
  4. dAbsorbed dose estimates for the participants with the median urinary flow rate
  5. eAbsorbed dose estimates for the participant with the urinary flow rate closest to the 95th percentile value
  6. fAbsorbed dose estimates for the participant with the highest urinary flow rate