2.6. Statistical Analysis
To determine the appropriate sample size, the average sodium intake of 3900 ± 1602 mg/day (168.5 mmol) [The characteristics of the sample were presented as mean with standard deviation or absolute numbers and percentages. Group comparisons were conducted using Pearson’s chi-square test for categorical variables and Student’s The analysis was conducted following the intention-to-treat principle and utilized PASW Statistics 18