“…For example, adherence has often been measured using retrospective self-report which may also be collected infrequently (Alterman, et al, 1999;Cooper et al, 2004;Okuyemi, et al, 2010;Stein, et al, 2006). Second, many previous studies have assessed adherence among particular subgroups of the population (Fish et al, 2009;Stein, et al, 2006;Wiggers, et al, 2006). We provide data on a population quitting smoking in primary care, where most cessation treatment is provided.…”