2.3. Statistical assays
Data was analyzed using the SPSS software, version 22 (SPSS Inc., Chicago, USA). Quantitative data are reported as mean ± standard deviation (SD), and qualitative data are presented as frequency and percent. Normality of data was assessed by Kolmogorov-Smirnov test. Paired t-test was used for comparison before and after the intervention. Paired t-test was used to compare before and after the intervention. Independent-samples t-test was used to identify any differences between two treatment groups. Results were considered statistically significant at p-value < 0.05.