Table 1.
Summary statistics of relevant variables in the study population (NHANES, 2011–2016 data)
| Variable | Mean | Standard deviation | Minimum | Maximum | Median |
|---|---|---|---|---|---|
| Age (Years) | 39.3 | 21.96 | 8 | 80 | 38 |
| BMI (kg/m2) | 27 | 7.86 | 12.4 | 77.5 | 26.4 |
| Waist circumference (cm) | 89.9 | 25.9 | 25.89 | 177.9 | 91.7 |
| SBP (mmHg) | 119.3 | 18.05 | 64.67 | 231.3 | 116 |
| DBP (mmHg) | 66.2 | 14.42 | 9 | 116.7 | 67.3 |
| Total cholesterol intake (mg/day) | 282 | 225 | 1 | 2007 | 214 |
| Total sodium intake (mg/day) | 3392 | 1771 | 7 | 17,070 | 3063 |
| Total serum cholesterol (mg/dL) | 181.8 | 41.1 | 75 | 463 | 178 |
| Serum Copper (μg/dL) | 118.2 | 29.82 | 24.7 | 306.6 | 113.6 |
| Serum Selenium (μg/L) | 127.5 | 17.76 | 58.1 | 299.1 | 126.1 |
| Serum Zinc (μg/dL) | 81.76 | 15.16 | 31.4 | 232.5 | 80.7 |