| Variable | n | Mean sodium consumed (mg/d ± standard deviation) | Mean energy consumed (Kcal/d ± standard deviation) | Sodium density (mg/1000 Kcal ± standard deviation) |
| Total | 2685 | 3214 ± 809 | 1888 ± 402 | 1698 ± 168 |
| Age group (y) | 2685 |
|
|
|
| 7 - 9 | 361 | 2717± 519 | 1698 ± 307 | 1606 ± 160 |
| 10 - 12 | 1103 | 3334 ± 790 | 1915 ± 399 | 1738 ± 151 |
| 13 - 15 | 877 | 3232 ± 835 | 1908 ± 397 | 1687 ± 164 |
| 16 - 18 | 344 | 3305 ± 860 | 1955 ± 449 | 1693 ± 190 |
| p value |
| <0.001 | <0.001 | <0.001 |
| Sex | 2685 |
|
|
|
| Male | 1265 | 3514 ± 864 | 2029 ± 404 | 1725 ± 165 |
| Female | 1420 | 2947 ± 649 | 1763 ± 355 | 1674 ± 167 |
| p value |
| <0.001 | <0.001 | <0.001 |
| Socioeconomic status (**) | 2685 |
|
|
|
| Low | 754 | 3168 ± 760 | 1849 ± 376 | 1710 ± 164 |
| Medium | 1506 | 3223 ± 830 | 1899 ± 412 | 1693 ± 170 |
| High | 425 | 3266 ± 818 | 1923 ± 405 | 1694 ± 166 |
| p value |
| 0.199 | 0.013 | 0.021 |
| Overweight/obese | 2685 |
|
|
|
| Yes | 695 | 3917 ± 893 | 2264 ± 412 | 1726 ± 172 |
| No | 1990 | 2968 ± 610 | 1757 ± 303 | 1688 ± 165 |
| p value |
| <0.001 | <0.001 | <0.001 |