The role that press reports on the safety of bupropion had upon the attitude of those clients taking it towards the medication and their quit attempt is unknown.
The importance of patients smoking history or giving informative materials to help patients quit smoking is still unknown to most medical doctors, though most participants have followed lessons on smoking risk during their undergraduate and postgraduate courses.
While a range of sociodemographic and psychosocial factors has been identified that are associated with current smoking and lower quit rates, it is unknown to what extent these factors interact.
A final study limitation is that outcomes were assessed only at 2-weeks post-quit and, as such, the magnitude and pattern of treatment group differences at long-term follow-up (e.g., 6-months post-quit) are unknown.
Based on the information of smoking status at baseline as well as at follow-up, participants were classified into one of the following four categories: stable smoking, start smoking, quit smoking, non- smoking or unknown.
It remains unknown how motivation to quit would interact with discriminative extinction methods, particularly generalisation of extinction across contexts, but this is a potentially valuable line of inquiry.
It is unknown what effect the milieu of quit attempts has upon the chances of achieving abstinence.
A recent clinical trial demonstrated the efficacy of a multicomponent intervention to help smokers quit, but the independent contributions of those components is unknown.
Mr. Schluter, a longtime Republican who quit the party to run for governor as an independent, is virtually unknown to New Jersey voters.
However, successful quitting in clinical practice and much of the literature remains focused upon abstinence end-points [ 7, 8], while much remains unknown about quitting and smoking behaviors [ 19].
