Table 1:
Sociodemographic, biochemical, and dietary characteristics of study participants
| Variables | N | All participants |
|---|---|---|
| Age, months | ||
| Median (range) | 255 | 81 (57, 105) |
| Sex | 255 | |
| Girls, n (%) | 111 (43.5) | |
| Boys, n (%) | 144 (56.5) | |
| Maternal Education | ||
| Years, median (range) | 255 | 8 (4, 17) |
| HOME score1 | 255 | |
| ≤ 46, n (%) | 133 (52.2) | |
| > 46, n (%) | 122 (47.8) | |
| Household possessions score2 | 255 | |
| ≤ 3, n (%) | 110 (43.1) | |
| > 3, n (%) | 145 (56.9) | |
| Water arsenic, μg/L | ||
| Median (range) | 255 | 0.45 (0.1, 18.9) |
| Water arsenic, μg/L | ||
| Median (range) | 255 | 0.45 (0.1, 18.9) |
| Total urinary arsenic3, μg/L | ||
| Median (range) | 255 | 9.89 (2.2, 47.7) |
| %MMA4 | ||
| Median (range) | 255 | 9.68 (2.6, 24.8) |
| Vitamin B-1, mg/1000 kcal | ||
| Median (range) | 249 | 0.83 (0.2, 2.6) |
| Vitamin B-2, mg/1000 kcal | ||
| Median (range) | 249 | 1.00 (0.3, 2.2) |
| Vitamin B-3, mg/1000 kcal | ||
| Median (range) | 249 | 8.61 (3.7, 23.3) |
| Vitamin B-6, mg/1000 kcal | ||
| Median (range) | 249 | 0.68 (0.3, 1.7) |
| Folate, μg/1000 kcal | ||
| Median (range) | 249 | 214.1 (75.1, 466.5) |
| Vitamin B-12, μg/1000 kcal | ||
| Median (range) | 249 | 1.7 (0.3, 8.3) |
1
Home Observation for Measurement of the Environment Inventory score, split at median,
2
Spit at median,
3
Measured as sum of urinary inorganic arsenic, monomethylarsonous acid, and dimethylarsinic acid; adjusted for urinary specific gravity,
4
Monomethylarsonous acid