2.5. Statistical Analysis
Randomization occurred in blocks of 2, based on a table of random numbers generated in OpenepiData are presented as the number (percentage) or mean (standard deviation, SD) as appropriate. Categorical variables were presented as values and percentages and compared with a chi-square test. Continuous variables were tested for normality using the Shapiro–Wilk test, were presented as mean and SD or median and interquartile interval, and tested with the Student’s 