. Author manuscript; available in PMC: 2015 Sep 1.

Published in final edited form as: Res Autism Spectr Disord. 2014 Jun 25;8(9):1134–1145. doi: 10.1016/j.rasd.2014.06.002

Table 4.

Unadjusted and adjusted quantiles (the 75^th percentiles) of blood cadmium concentrations for 110 ASD cases and their matched controls based on the Quantile Regression Models

	75^th percentile of Cd (μg/L)
	ASD Cases	TD Controls	P-value
Unadjusted	0.25	0.27	0.44
Adjusted	0.22	0.16	0.22

Factors adjusted for include: parental education levels, child’s birth in “Kingston, St. Andrew, and St. Catherine” parishes, consumption of seafood (more than 6 meals per week), “yam, sweet potato, or dasheen”, cabbage, fried plantain, boiled dumpling, and white bread