| Overweight classified by BMI c | Central obesity classified by waistd | ||||||
---|---|---|---|---|---|---|---|---|
Urinary sodium excretion levelsa(mg/day) | Normal weightc | Overweightc | Normal waist4 | Central obesityd | Â | |||
N (%) | N (%) | OR (95% CI)2 | P e | N (%) | N (%) | OR (95% CI)b | P e | |
Adults | [N = 7224] | [N = 9026] |  |  | [N = 10,307] | [N = 5943] |  |  |
  < 2200 | 783 (10.8) | 533 (5.9) | 1.00 |  | 1017 (9.9) | 299 (5.0) | 1.00 |  |
 2200-3199 | 3120 (43.2) | 3141 (34.8) | 1.48 (1.29-1.69) | 0.03 | 4415 (42.8) | 1846 (31.1) | 1.48 (1.26-1.74) | 0.02 |
  ≥ 3200 | 3321 (46.0) | 5352 (59.3) | 2.17 (1.90-2.49) | < 0.01 | 4875 (47.3) | 3798 (63.9) | 2.50 (2.13-2.94) | < 0.01 |
Adolescents | [N = 1153] | [N = 323] |  |  | [N = 1311] | [N = 165] |  |  |
  < 2200 | 283 (24.5) | 25 (7.7) | 1.00 |  | 299 (22.8) | 9 (5.4) | 1.00 |  |
 2200-3199 | 621 (53.9) | 113 (35.0) | 1.47 (0.82-2.65) | 0.89 | 676 (51.6) | 58 (35.1) | 1.09 (0.49-2.44) | 0.67 |
  ≥ 3200 | 249 (21.6) | 185 (57.3) | 5.80 (3.17-10.60) | < 0.01 | 336 (25.6) | 98 (59.4) | 4.19 (1.78-9.89) | < 0.01 |