Table 4.
Association of sodium, potassium excretion and sodium-to-potassium ratio of children with different family members.
| Family Relations | Sodium (mg/d) | Potassium (mg/d) | Sodium-to-Potassium Molar Ratio | |||
|---|---|---|---|---|---|---|
| β (95% CI) | p | β (95% CI) | p | β (95% CI) | p | |
| Total children | ||||||
| Mother (n = 390) | 0.10 (0.05, 0.15) | 0.0002 | 0.18 (0.12, 0.23) | <0.0001 | 0.30 (0.20, 0.41) | <0.0001 |
| Father (n = 374) | 0.04 (−0.01, 0.10) | 0.112 | 0.19 (0.13, 0.25) | <0.0001 | 0.27 (0.17, 0.37) | <0.0001 |
| Grandmother (n = 232) | 0.10 (0.03, 0.17) | 0.007 | 0.05 (−0.02, 0.12) | 0.189 | 0.17 (0.05, 0.30) | 0.007 |
| Grandfather (n = 164) | 0.09 (0.02, 0.16) | 0.013 | 0.07 (−0.001, 0.14) | 0.053 | 0.17 (0.03, 0.30) | 0.015 |
| Boys | ||||||
| Mother (n = 203) | 0.14 (0.07, 0.22) | 0.0002 | 0.20 (0.12, 0.28) | <0.0001 | 0.32 (0.16, 0.49) | 0.0001 |
| Father (n = 186) | 0.04 (−0.03, 0.12) | 0.247 | 0.21 (0.13, 0.29) | <0.0001 | 0.32 (0.17, 0.48) | <0.0001 |
| Grandmother (n = 125) | 0.15 (0.04, 0.27) | 0.009 | 0.08 (−0.03, 0.20) | 0.149 | 0.13 (−0.06, 0.31) | 0.170 |
| Grandfather (n = 83) | 0.10 (−0.01, 0.20) | 0.071 | 0.07 (−0.05, 0.19) | 0.267 | 0.17 (−0.03, 0.36) | 0.087 |
| Girls | ||||||
| Mother (n = 187) | 0.07 (−0.004, 0.14) | 0.065 | 0.14 (0.06, 0.22) | 0.0007 | 0.28 (0.16, 0.41) | <0.0001 |
| Father (n = 178) | 0.05 (−0.03, 0.12) | 0.240 | 0.15 (0.07, 0.24) | 0.0008 | 0.20 (0.08, 0.31) | 0.001 |
| Grandmother (n = 107) | 0.05 (−0.04, 0.14) | 0.266 | 0.02 (−0.07, 0.12) | 0.632 | 0.28 (0.11, 0.45) | 0.002 |
| Grandfather (n = 81) | 0.07 (−0.03, 0.17) | 0.184 | 0.07 (−0.02, 0.16) | 0.107 | 0.16 (−0.05, 0.36) | 0.133 |
Note: Mixed models were performed with city and school nested within city as random factors and adjusted age, sex (in total-children models) and body weight of children.