Statistical analyses
The statistical package SPSS 25 was used for all the analyses. All analyses were performed with masked (coded) study group assignment and revealed after completion of data analyses. The statistical methods used in the present study included Chi-square tests, odds-ratio calculations, independent samples t-tests (equal variance not assumed), paired samples t-tests (equal variance not assumed), and bivariate correlation analyses (Pearsons’ correlation). Oneway ANOVA (Post-hoc Bonferroni) tests were also included as appropriate. The significance level was defined at 