From: Body composition and arsenic metabolism: a cross-sectional analysis in the Strong Heart Study
 | % iAs | % MMA | % DMA | |||
---|---|---|---|---|---|---|
 | Unadjusted | Adjusted | Unadjusted | Adjusted | Unadjusted | Adjusted |
Body mass index | ||||||
  < 25 kg/m2 | 0.0 (referent) | 0.0 (referent) | 0.0 (referent) | 0.0 (referent) | 0.0 (referent) | 0.0 (referent) |
  ≥ 25, < 30 kg/m2 | -0.8 (-1.3, -0.3) | -0.7 (-1.2, -0.3) | -1.5 (-2.0, -1.0) | -1.4 (-1.9, -1.0) | 2.3 (1.5, 3.2) | 2.2 (1.4, 3.0) |
  ≥ 30, < 35 kg/m2 | -1.8 (-2.3, -1.3) | -1.6 (-2.0, -1.1) | -3.1 (-3.6, -2.6) | -2.8 (-3.3, -2.3) | 4.9 (4.0, 5.7) | 4.3 (3.5, 5.1) |
  ≥ 35 | -2.3 (-2.8, -1.7) | -1.7 (-2.2, -1.2) | -4.8 (-5.4, -4.3) | -4.0 (-4.5, -3.5) | 7.1 (6.2, 8.0) | 5.7 (4.8, 6.5) |
  P for trend | < 0.001 | <0.001 | <0.001 | <0.001 | <0.001 | <0.001 |
% Body fat | ||||||
  Quartile 1 | 0.0 (referent) | 0.0 (referent) | 0.0 (referent) | 0.0 (referent) | 0.0 (referent) | 0.0 (referent) |
  Quartile 2 | -0.6 (-1.1, -0.2) | -0.6 (-1.0, -0.2) | -1.2 (-1.7, -0.8) | -1.1 (-1.6, -0.7) | 1.9 (1.1, 2.7) | 1.7 (1.0, 2.4) |
  Quartile 3 | -0.9 (-1.4, -0.5) | -0.8 (-1.2, -0.4) | -1.9 (-2.4, -1.4) | -1. 7 (-2.1, -1.2) | 2.8 (2.1, 3.6) | 2.5 (1.8, 3.2) |
  Quartile 4 | -1.2 (-1.6, -0.7) | -1.2 (-1.6, -0.7) | -3.0 (-3.4, -2.5) | -2.6 (-3.1, -2.2) | 4.1 (3.4, 4.9) | 3.8 (3.1, 4.5) |
  P for trend | <0.001 | <0.001 | <0.001 | <0.001 | <0.001 | <0.001 |
Fat free mass | ||||||
  Quartile 1 | 0.0 (referent) | 0.0 (referent) | 0.0 (referent) | 0.0 (referent) | 0.0 (referent) | 0.0 (referent) |
  Quartile 2 | -0.8 (-1.2, -0.3) | -0.8 (-1.2, -0.4) | -1.2 (-1.7, -0.7) | -1.2 (-1.7, -0.8) | 2.0 (1.2, 2.7) | 2.0 (1.3, 2.7) |
  Quartile 3 | -0.6 (-1.1, -0.2) | -0.7 (-1.1, -0.2) | -1.5 (-2.0, -1.1) | -1.6 (-2.0, -1.1) | 2.2 (1.4, 2.9) | 2.2 (1.5, 2.9) |
  Quartile 4 | -1.5 (-1.9, -1.0) | -1.4 (-1.9, -1.0) | -2.9 (-3.4, -2.5) | -2.8 (-3.3, -2.3) | 4.4 (3.6, 5.2) | 4.2 (3.5, 5.0) |
  P for trend | <0.001 | <0.001 | <0.001 | <0.001 | <0.001 | <0.001 |
Waist circumference | ||||||
  Quartile 1 | 0.0 (referent) | 0.0 (referent) | 0.0 (referent) | 0.0 (referent) | 0.0 (referent) | 0.0 (referent) |
  Quartile 2 | -0.8 (-1.2, -0.3) | -0.8 (-1.2, -0.4) | -1.2 (-1.7, -0.7) | -1.2 (-1.7, -0.8) | 2.0 (1.2, 2.8) | 2.0 (1.3, 2.7) |
  Quartile 3 | -1.2 (-1.7, -0.8) | -1.2 (-1.6, -0.8) | -2.3 (-2.7, -1.8) | -2.2 (-2.6, -1.7) | 3.5 (2.7, 4.2) | 3.3 (2.6, 4.1) |
  Quartile 4 | -1.6 (-2.0, -1.2) | -1.6 (-2.1, -1.2) | -3.4 (-3.9, -3.0) | -3.2 (-3.6, -2.7) | 5.0 (4.3, 5.8) | 4.8 (4.1, 5.5) |
  P for trend | <0.001 | <0.001 | <0.001 | <0.001 | <0.001 | <0.001 |