Statistical analysis
The forms were coded and entered into the computer, followed by ensuring the accuracy of data entry through its control by the second person. The collected data were analyzed in SPSS software (version 25). The Kolmogorov–Smirnov test was first used to investigate the normal distribution of quantitative variables. To this end, the homogeneity of the three groups was examined in terms of quantitative and qualitative variables by Chi-square, Kruskal–Wallis, one-way analysis of variance and Fisher's exact tests. Since a 95% confidence interval was considered in all tests, the 