Project Results for Markers of Autism Risk in Babies–Learning Early Signs (MARBLES)

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Results on page last updated: 02/04/2014

Chemical Group: Phthalates

  • Measured in: Urine
95% Confidence Interval Selected Percentiles
Chemical measured Indicates exposure to Units Number of people tested Geometric mean Lower Upper 25th 50th 75th 90th Detection frequency Limit of Detection (LOD), wet-weight
MEP Diethyl phthalate (DEP) μg/L 15 62.4 32.2 121 -- 52.6 -- -- 100% 8.0
MnBP Dibutyl phthalate (DBP), Benzylbutyl phthalate (BzBP) μg/L 15 21.9 14.4 33.5 -- 21.3 -- -- 100% 2.0

Chemical Group: Phthalates

  • Measured in: Urine
95% Confidence Interval Selected Percentiles
Chemical measured Indicates exposure to Units Number of people tested Geometric mean Lower Upper 25th 50th 75th 90th Detection frequency Limit of Detection (LOD), wet-weight
MEP Diethyl phthalate (DEP) μg/L 13 65.1 26.0 163 -- 31.5 -- -- 100% 8.0
MnBP Dibutyl phthalate (DBP), Benzylbutyl phthalate (BzBP) μg/L 13 21.1 10.8 41.2 -- 23.2 -- -- 100% 2.0

Footnotes