a,b,c,d : Means with Common letters are not significant (i.e.
Means with Different letters are significant)
χ2: Chi square test
H: H for Kruskal Wallis test, Pairwise comparison bet. each 2
groups was done using Post Hoc Test (Dunn’s for multiple
comparisons test)
p: p value for comparing between the four categories
*: Statistically significant at p ≤ 0.05