Table 4.

Multiple pairwise comparisons of the clinical parameters among current users based on the type of use

Parameter	Reference group	Comparison group	Mean difference	P
% of bleeding sites	Chewer	Smoker	9.32	0.001*
		Both	4.25	0.001*
	Smoker	Both	−5.06	0.001*
Mean number of sites with periodontal pockets	Chewer	Smoker	1.67	0.038*
		Both	2.14	0.071
	Smoker	Both	0.47	0.85
Number of sites with attachment loss ≥5 mm	Chewer	Smoker	1.02	0.046*
		Both	−0.45	0.83
	smoker	Both	−1.47	0.04*

Tukey’s post-hoc tests; P≤0.01 considered statistically significant; *denotes statistical significance