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Survey-weighted correlation coefficients (and P values) between potassium, sodium, and energy intakes among US adults (n = 12,038)1
| Potassium (mg) | Sodium (mg) | |
| Sodium (mg) | 0.62 (P < 0.001) | — |
| Energy (kcal) | 0.72 (P < 0.001) | 0.81 (P < 0.001) |
These values were obtained by taking the square root of the r2 from bivariate survey-weighted linear regression models.
