Table 3.

Linear regression models examining Level of Physical Dependence as predictors of daily cigarette consumption and number of smoking days in a month.

	Daily cigarette consumption		Number of smoking days in a month
	Coefficient	p	Coefficient	p
Level 1 PD vs. Level 0	0.74	0.71	5.11	0.07
Level 2 PD vs. Level 0	4.65	0.02	12.75	< 0.001
Level 3 PD vs. Level 0	7.08	< 0.001	14.86	< 0.001
Age (year)	0.82	0.08	2.47	< 0.001
Gender (male vs. female)	0.79	0.52	0.91	0.61