Data analysis
Data from all points of measurement were pooled and analyzed using SPSS version 16. A Chi-square test was carried out to test the homogeneity of baseline outcome variables among the intervention and control groups. Repeated measures ANOVA, were used to test the effectiveness of the intervention.In repeated measures, ANOVA to check for the assumption of sphericity violation, and Mauchly’s test was used. In case of violation of sphericity, Greenhouse Geisser correction was used (