Table 2: Mean and standard deviations (SD) (95% confidence interval) of 12-hour urinary sodium measurements, according to consumption terciles on five occasions over a one-year period. VALSA Study, Vitória (ES), 2015.
| Occasion | 1 st tercile | 2 nd tercile | 3 rd tercile |
|---|---|---|---|
| Mean ± SD (95% CI) | Mean ± SD (95% CI) | Mean ± SD (95% CI) | |
| 1 | 5.2 ± 1.4 (2.4-6.8) | 8.6 ± 1.1 (6.8-10.3) | 12.6 ± 2.1 (10.6-20.3) |
| 2 | 4.7 ± 1.4 (1.6-6.3) | 8.2 ± 0.9 (7.0-10.0) | 15.0 ± 5.4 (10.1-31.0) |
| 3 | 4.6 ± 1.1 (2.1-6.4) | 7.9 ± 0.9 (6.4-9.6) | 15.4 ± 5.4 (9.9-33.2) |
| 4 | 3.9 ± 1.3 (0.7-5.5) | 7.7 ± 1.0 (5.6-9.5) | 15.1 ± 5.4 (9.8-31.2) |
| 5 | 4.6 ± 1.3 (1.9-6.6) | 9.0 ± 1.4 (6.7-11.2) | 14.2 ± 2.9 (11.4-27.7) |
CI = confidence interval.