Table 2. Comparison of Chemical Intolerance (Quick Environmental Exposure and Sensitivity Inventory) Scores Among the Mothers of the 3 Groups of Children
Chemical Exposures ScaleMothers of Children With ASDMothers of Children With ADHDMothers of Control Children
Total scale score31.37*23.6630.90*22.4723.6721.95
    Diesel/gas engine exhaust3.24*2.753.34*2.872.582.74
    Tobacco smoke3.843.104.04*
    Paint/paint thinner3.45*2.903.28*2.872.482.66
    Cleaning products3.352.983.272.962.712.89
    Perfumes/other fragrances3.673.263.97*3.313.143.17
    Nail polish, remover, hairspray2.46*2.572.35*2.681.582.29
    Carpet, shower curtain, new car smell2.70*2.932.34*2.611.632.44
  • Items are scaled from 1 to 10, then summed across items for the total score, with a total possible range from 0 to 100. The range for control mothers was 0 to 88, 1 to 92 for mothers of children with attention deficit hyperactivity disorder (ADHD), and 0 to 90 for mothers of children with autism spectrum disorder (ASD).

  • * P < .05.

  • SD, standard deviation.