Table 4. Predictors of practitioner behavior in relation to providing advice to patients about smoking cessation.

	Univariate model
Variable	p value
Own smoking status	0.982
Taken dietary supplements in past year	0.979
Own annual expenditure on dietary supplements	0.378
Gender	0.178
Age	0.178
Therapeutic endorsement status	0.565
Years in practice	0.366
Practice location	0.465
Asks about patient smoking status	< 0.001*

Except for whether a practitioner asks about smoking status, no variable was found to be statistically significant (*) by multiple univariate modeling and no multivariate modeling was applied.