Nicotine dependence, chewing tobacco, in remission

**Inclusion terms:** - Tobacco use disorder, chewing tobacco, mild, in early remission - Tobacco use disorder, chewing tobacco, mild, in sustained remission - Tobacco use disorder, chewing tobacco, moderate, in early remission - Tobacco use disorder, chewing tobacco, moderate, in sustained remission - Tobacco use disorder, chewing tobacco, severe, in early remission - Tobacco use disorder, chewing tobacco, severe, in sustained remission