| Reporting any symptom |  | |
---|---|---|---|
 | No (n = 467) | Yes (n = 795) | p-value |
Mean (SD), arsenic at enrollment (μg/L) | 20.9 (70.8) | 50.0 (104.1) | <0.0001 |
Median (IQR), arsenic at enrollment (μg/L) | 1.6 (0.8, 5.2) | 7.0 (1.1, 58.0) | <0.0001 a |
Mean (SD) age at enrollment (yrs) | 22.6 (4.0) | 23.1 (4.3) | 0.05 |
 | (n) % | (n) % |  |
Drinking water arsenic quartiles | Â | Â | Â |
 Q4 (Mean: 144.7 μg/L, range: 32–1,400 μg/L) | (68) 14.56 | (244) 30.69 | <0.0001 |
 Q3 (Mean: 12.0 μg/L, range: 2.1–31 μg/L) | (77) 16.49 | (226) 28.43 |  |
 Q2 (Mean: 1.5 μg/L; range: 0.9–2 μg/L | (185) 39.61 | (142) 17.86 |  |
 Q1 (Mean: 0.7 μg/L; range: 0.5–0.89 μg/L) | (137) 29.34 | (183) 23.02 |  |
BMI at time of enrollment (kg/m2) | Â | Â | Â |
 <18.5 | (117) 25.05 | (246) 30.94 | 0.05 |
 18.5–24.9 | (299) 64.03 | (481) 60.5 |  |
 ≥ 25.0 | (51) 10.92 | (68) 8.55 |  |
Environmental tobacco smoke | Â | Â | Â |
 Absent | (319) 68.6 | (418) 52.64 | <0.001 |
 Present | (146) 31.4 | (376) 47.36 |  |
 Missing | 2 | 1 |  |
Maternal education | Â | Â | Â |
 Illiterate/Able to write name | (47) 10.13 | (144) 18.14 | <0.0001 |
 Primary education | (199) 42.89 | (216) 27.2 |  |
 ≥ Secondary education | (218) 46.98 | (434) 54.66 |  |
 Missing | 3 | 1 |  |
Parity | Â | Â | Â |
 0 | (214) 45.82 | (309) 38.87 | 0.01 |
 1-2 | (213) 45.61 | (385) 48.43 |  |
 ≥3 | (40) 8.57 | (101) 12.7 |  |
Anemia (hemoglobin ≤ 12 g/dL) |  |  |  |
 No | (327) 70.32 | (647) 81.49 | <0.0001 |
 Yes | (138) 29.68 | (147) 18.51 |  |
 Missing | 2 | 1 |  |
Ferritin | Â | Â | Â |
 Severe deficiency (<20 μg/L) | (80) 18.06 | (108) 14.3 | 0.0007 |
 Mild deficiency (20–40 μg/L) | (138) 31.15 | (179) 23.71 |  |
 None (>40 μg/L) | (225) 50.79 | (468) 61.99 |  |
 Missing | 24 | 40 |  |
Sanitation at home | Â | Â | Â |
 Sanitary latrine | (372) 79.83 | (469) 59.14 | <0.0001 |
 Other | (94) 20.17 | (324) 40.86 |  |
 Missing | 1 | 2 |  |
Taking herbs/medication | Â | Â | Â |
 No | (459) 98.5 | (719) 90.44 | <0.0001 |
 Yes | (7) 1.5 | (76) 9.56 |  |
 Missing | 1 | 0 |  |
Income (taka/month) | Â | Â | Â |
 <3000 | (45) 9.89 | (176) 22.34 | <0.0001 |
 3001–5000 | (270) 59.34 | (412) 52.28 |  |
 ≥ 5000 | (137) 30.11 | (175) 22.21 |  |
 Refused/don’t know | (3) 0.66 | (25) 3.17 |  |
 Missing | 12 | 7 |  |