Table 1.
Characteristics of the study population (n=1027)
| Age (years) | 54.00 (37.00, 71.00) |
| BMI (kg/m2) | 29.95 (23.44, 38.54) |
| Education (years) | 6.00 (1.00, 11.00) |
| Residence in the study area (years) | 48.00 (30.00, 66.00) |
| Age at menarche (years) | 13.00 (11.00, 15.00) |
| Parity (number) | 4.00 (2.00, 10.00) |
| Age at first birth (years) | 19.00 (16.00, 26.00) |
| Total breastfeeding (months) † | 36.00 (4.00, 158.00) |
| Cigarettes per day (number) ‡ | 4.00 (1.00, 20.00) |
| Creatinine (mg/dl) | 63.99 (18.49, 161.50) |
| Arsenic compounds | |
| Total As (µg/g creatinine)§ | 25.90 (7.17, 152.94) |
| Total As-AsB (µg/g creatinine) | 19.96 (6.40, 98.41) |
| iAs | 1.95 (0.63, 9.96) |
| MMA | 1.82 (0.58, 9.37) |
| DMA | 15.62 (4.88, 75.22) |
| AsB | 0.85 (0.08, 37.74) |
| Arsenic proportionsı | |
| iAs | 0.10 (0.05, 0.19) |
| MMA | 0.10 (0.06, 0.15) |
| DMA | 0.80 (0.68, 0.87) |
| Arsenic ratios | |
| MMA/iAs | 1.00 (0.50, 1.79) |
| DMA/MMA | 8.00 (4.52, 14.88) |
| DMA/iAs | 7.84 (3.64, 16.12) |
Values are medians, P10 and P90
†
Among parous woman
‡
Current smokers only
§
AsB (µg/g creatinine) in Total As=3.28%
ı
Excluding AsB