Table 3.

Bonferroni post hoc pairwise comparison of the mean difference between the three attendance groups of NPT sessions

	NPT attendance	Mean difference	Standard error	Significance
M1 basic science	High vs low	3.45	0.84	< 0.001
	High vs moderate	2.16	0.93	0.063
	Moderate vs low	1.30	0.78	0.297
M2 mid-year CBSE	High vs low	18.58	3.34	< 0.001
	High vs moderate	13.30	3.69	0.001
	Moderate vs low	5.28	3.12	0.276

The mean difference is significant at 0.05 level