Table 1.
Sample characteristics (n = 201).
| Variable | n (%) | Mean ± SD | Median | Range | ||||
|---|---|---|---|---|---|---|---|---|
| Male | 101 (50.3) | |||||||
| House construction | ||||||||
| Biomass/hay/mud | 4 (2.0) | |||||||
| Corrugate | 171 (85.5) | |||||||
| Concrete | 25 (12.5) | |||||||
| Child age (years) | 9.6 ± 0.8 | 9.6 | 8.0–10.9 | |||||
| Months attending school | 41.4 ± 16.0 | 42.0 | 4.0–78.0 | |||||
| BMI (kg/m2) | 14.1 ± 1.4 | 13.9 | 11.7–25.1 | |||||
| Head circumference (cm) | 49.5 ± 1.5 | 49.5 | 46.0–53.6 | |||||
| Mother’s education (years) | 3.5 ± 3.7 | 3.0 | 0.0–16.0 | |||||
| Mother’s age (years) | 35.3 ± 6.3 | 35.0 | 24.0–52.0 | |||||
| Mother’s WASI raw score | 30.9 ± 11.1 | 30.0 | 3.0–79.0 | |||||
| Home stimulation | 3.6 ± 1.6 | 4.0 | 0.0–6.0 | |||||
| Teacher’s years of teaching | 16.8 ± 6.8 | 16.0 | 6.0–28 | |||||
| Teacher’s age (years) | 39.0 ± 6.8 | 40.0 | 28.0–55.0 | |||||
| WAs (µg/L) | 43.7 ± 67.0 | 14.0 | 0.0–371.1 | |||||
| WMn (µg/L) | 889.2 ± 783.7 | 649.5 | 40.0–3442.5 | |||||
| UAs (µg/L) | 81.2 ± 75.2 | 59.0 | 6.0–461.0 | |||||
| UCr (mg/dL) | 33.9 ± 22.9 | 28.1 | 4.9–140.8 | |||||
| UAs (mg/g creatinine) | 256.3 ± 181.1 | 198.3 | 34.4–1264.6 | |||||
| BAs (µg/L) | 5.1 ± 3.3 | 4.1 | 0.9–18.0 | |||||
| BMn (µg/L) | 15.1 ± 3.9 | 14.6 | 6.3–33.9 | |||||
| BPb (µg/L) | 120.3 ± 36.4 | 119.4 | 36.7–245.7 | |||||
| Hemoglobin (g/dL) | 12.5 ± 1.0 | 12.5 | 8.4–15.8 | |||||
| Serum ferritin (ng/mL) | 34.9 ± 16.4 | 32.3 | 2.0–87.5 |