Table 1. Characteristics of participants by gender (NHANES, 2007–2014).
| Total (n = 19,952) | Male (n = 9,879) | Female (n = 10,073) | Z | P* | |
|---|---|---|---|---|---|
| Median (min, max) | Median (min, max) | Median (min, max) | |||
| Age/years | 49.000 (20.000, 80.000) | 49.000 (20.000, 80.000) | 49.000 (20.000, 80.000) | −1.218 | 0.223 |
| BMI (kg/m2) | 27.935 (14.590, 69.000) | 27.700 (14.590, 66.160) | 29.220 (14.860, 69.000) | −5.581 | <0.001 |
| WC (cm) | 97.700 (59.100, 176.000) | 99.600 (61.800, 176.000) | 95.500 (59.100, 172.500) | −17.514 | <0.001 |
| Calcium intake (g/d)a | 1.371 (1.062, 7.762) | 1.382 (1.062, 7.762) | 1.362 (1.062, 5.300) | −3.674 | <0.001 |
| Magnesium intake (g/d)a | 0.382 (0.317, 3.862) | 0.387 (0.317, 3.862) | 0.379 (0.317, 2.450) | −10.370 | <0.001 |
| Copper intake (mg/d)a | 2.035 (1.552, 60.986) | 2.050 (1.552, 60.986) | 2.021 (1.552, 31.161) | −5.476 | <0.001 |
| Sodium intake (g/d)a | 3.885 (3.391, 13.335) | 3.962 (3.391, 12.464) | 3.826 (3.391, 13.335) | −19.979 | <0.001 |
| Potassium intake (g/d)a | 3.090 (2.627, 22.036) | 3.139 (2.627, 22.036) | 3.054 (2.627, 15.913) | −13.867 | <0.001 |
| Iron intake intake (g/d)a | 0.025 (0.018, 0.253) | 0.027 (0.018, 0.253) | 0.024 (0.018, 0.220) | −22.085 | <0.001 |
| Phosphorus intake (g/d)a | 1.517 (1.337, 6.142) | 1.538 (1.337, 6.142) | 1.500 (1.337, 3.093) | −15.956 | <0.001 |
| Selenium intake (mg/d)a | 0.157 (0.129, 67.099) | 0.159 (0.129, 3.470) | 0.156 (0.129, 67.099) | −9.613 | <0.001 |
| Zinc intake (g/d)a | 0.021 (0.015, 1.271) | 0.021 (0.015, 1.271) | 0.021 (0.015, 0.140) | −0.709 | 0.478 |
| Energy (kcal/d) | 1,910.000 (18.000, 13,509.000) | 2,229.000 (162.500, 13,509.000) | 1,664.500 (18.000, 9,595.000) | −52.312 | <0.001 |
Notes:
a
Nutrient intakes were adjusted for energy according to the residual adjustment method.
*
Compared differences between men and women.