Statistical methods
An intention-to-treat analysis was performed. The description of the categorical variables was made using absolute and relative values; of the quantitative variables that presented a normal distribution in the Shapiro–Wilk test the mean and standard deviation were reported, otherwise, the median and interquartile range [IQR] were presented. The baseline characteristics of the study groups (intervention and control) were compared using the proportions comparison test (χThe outcome variables were analysed quantitatively and contrasted through paired 