Table 3.

Inter rater agreement rate and kappa index for the sub-groups/subcategories

Sub-category	Agreement	Kappa
A1	0.9	0.6
A2	0	0
A3	0.9	0.33
A4	0.87	0.59
B1	0.9	0.16
B2	0.85	0.48
B3	0.98	0.77
C	0.94	0.85