Skip to main content

Table 3 Araki’s b values derived for Pb, Cd, AsIMM and I in the present study (NHANES 2009–2012 (CDC, 2015) training dataset) compared with previously reported literature values

From: Assessing urinary flow rate, creatinine, osmolality and other hydration adjustment methods for urinary biomonitoring using NHANES arsenic, iodine, lead and cadmium data

Analyte

Araki’s b value

Criterion A (UFR) optimised (present study)

Criterion B (Blood) optimised (present study)

Araki et al. (1986)a,c

Araki et al. (1990)b,c

Pb

0.38

0.56

0.50 (0.45–0.91)

0.45 (0.39–0.54)

Cd

0.32

0.62

-

0.58 (0.42–0.66)

AsIMM

0.27

-

-

-

I

0.45

-

-

-

Creatinine

0.52

-

0.87 (0.67–1.01)

0.68 (0.58–0.75)

  1. a Mean value of 10 subjects derived by linear regression
  2. b Mean value of 4 time quadrants derived by linear regression
  3. c Range of significant values in parentheses