Table 1.

General characteristics for the total study sample and by wAs groupa

Entire group (n = 40)Low wAs groupb (n = 20)High wAs groupc (n = 20)
Age, y39 (13.5)42.0 (12.5)34.0 (12.5)
BMI, kg/m219.5 (3.3)20.5 (3.4)18.5 (2.7)
wAs, μg/L115.5 (161)55.0 (4.9)216.0 (71.0)
Urinary As, μg/L91.5 (115.0)69.0 (62.5)165.0 (158.0)
Urinary creatinine, mg/dL39.0 (35.8)42.7 (37.8)35.6 (34.8)
Urinary As/g creatinine247.8 (376.3)133.4 (75.6)509.7 (221.6)
Total homocysteine, μmol/L8.9 (5.5)8.3 (6.9)9.2 (5.4)
s-Adenosyl methionine, μmol/L2.14 (0.95)2.5 (1.2)2.06 (0.64)
s-Adenosyl homocysteine, μmol/L0.25 (0.17)0.22 (0.15)0.28 (0.17)
Female, %505050
Land ownership, %455535
Television ownership, %606555
Current cigarette smoking, %253020
Current betel nut use, %27.53025
  • aMedian (interquartile range) unless otherwise noted.

  • bwAs 50 to 81 μg/L.

  • cwAs 150 to 500 μg/L