Table 2.
Summary of meta-regression for the association of dietary sodium intake and the risk of cardiovascular disease by mean age, percentage of women, follow up years, quality score of the study, body mass index and percentage of white participants.
| Meta Regression | Number of Estimates | Point Estimates | I2 (%) * | p Value * |
|---|---|---|---|---|
| Mean age (year) | 32 | 1.00 (0.99, 1.01) | 90 | 0.92 |
| Percentage of women (%) | 33 | 1.00 (1.00, 1.00) | 90 | 0.89 |
| Follow-up years (year) | 33 | 1.00 (0.99, 1.01) | 90 | 0.89 |
| Study quality score | 33 | 1.01 (0.96, 1.06) | 86 | 0.60 |
| Body mass index (kg/m2) | 22 | 0.99 (0.97, 1.02) | 91 | 0.62 |
| Percentage of white participants (%) | 10 | 1.00 (1.00, 1.01) | 83 | 0.75 |
* I2 and p value related to meta regression analysis.