Table 2.
Sample characteristics regarding lead dietary intake in premenopausal women.
| Variable (Units) | Low (<43.85 μg/day) | High (>43,85 μg/day) | p-Value | p-Value * |
|---|---|---|---|---|
| Median (IQR) (n = 79) | Median (IQR) (n = 79) | |||
| Age (years) | 41 (37–44) | 41 (37–43) | 0.635 | 0.553 |
| Body mass index (kg/m2) | 25.06 (22.97–27.57) | 23.98 (22.30–26.38) | 0.033 | 0.234 |
| Dietary vitamin D (μg/day) | 438 (257–811) | 621 (411–99) | 0.012 | 0.435 |
| Dietary calcium (mg/day) | 961 (634–1209) | 1025 (873–1327) | 0.018 | 0.546 |
| Dietary iron (mg/day) | 11.02 (8.62–14.49) | 15.16 (12.42–17.57) | <0.001 | 0.015 |
| Dietary zinc (mg/day) | 8.7 (6.67–10.37) | 10.63 (8.92–13.07) | <0.001 | 0.007 |
| Dietary energy (kcal/day) | 1858.1 (1500.4–2323.6) | 2358.3 (1995.1–2621.4) | <0.001 | N/A |
| Dietary iodine (μg/day) | 322 (18–441) | 339 (205–434) | 0.065 | 0.844 |
| Dietary magnesium (mg/day) | 214.5 (159.5–286.2) | 269.4 (222.8–338.3) | <0.001 | 0.023 |
| Dietary copper (mg/day) | 0.724 (0.501–0.993) | 0.945 (0.82–1409) | <0.001 | 0.281 |
| Dietary selenium (μg/day) | 63.1 (49.8–79.6) | 96 (75.7–125) | <0.001 | <0.001 |
| Dietary lead/body weight (μg/kg b.w./w) | 3.67 (3.2–4.36) | 6.05 (5.19–6.97) | <0.001 | 0.004 |
| Dietary lead (μg/day) | 35.09 (29.8–40.03) | 51.45 (47.59–58.37) | <0.001 | 0.006 |
* After further adjustment for energy intake (kcal/day).