Biomarker (µg/L)a   GMb LCLc UCLd SDe nf (D/ND) g pH Mexican American 2.12 1.88 2.37 3.36 744 (611/133) <0.0001 Non-Hispanic Black *all 2.60 2.35 2.85 3.52 762 (635/127) Non-Hispanic White 1.84 1.62 2.05 3.88 1255 (936/319) Other Hispanic 1.77 1.09 2.45 3.96 129 (94/35) Other 1.70 0.99 2.41 3.97 121 (92/29) Total         3011   Creatinine Adjusted (µg/g)i   GM LCL UCL SD n P Mexican American 2.10 1.91 2.30 2.74 744 0.1847 Non-Hispanic Black 1.94 1.73 2.15 2.94 761 Non-Hispanic White 1.99 1.82 2.16 3.10 1254 Other Hispanic 1.66 1.09 2.23 3.30 129 Other 1.86 1.32 2.41 3.06 121 Total         3009 a(μg/L) = Micrograms per Liter; b(GM) = Geometric Mean; c(LCL) = Lower Confidence Limit; d(UCL) = Upper Confidence Limit; e(SD) = Standard Deviation; f(n) = Number in Sample; g(D/ND) = Number of Detects/Number of Non-Detects; h(p) = Level of Significance at p= 0.05 Level (Highlighted in Bold); i(μg/g) = Micrograms per Gram. *all indicates that this group is significantly different than all other ethnic groups.

Table 4: One-Way ANOVA and Tukey Analysis Comparing Geometric Means of Ethnic Groups for 3,5,6- Trichloropyridinol.