Table 1

Interviewees by quit status

	First interviewees (n = 20), returned feedback form		Additional interviewees (n = 5), did not return feedback form		Self-reported quit status at interview (total)

	Trial data quit status^{^a}	Self-reported quit status^{^b}	Trial data quit status^{^a}	Self-reported quit status^{^b}
Intervention group
Quit during trial, not smoking at time of interview	10	8	2	–	8
Quit smoking during trial for ≥14 days, relapsed at time of interview	3	7	2	3	10
Didn’t quit during trial for more than a few (13) days	3	2	–	1	3
Did not quit, reduced consumption and maintained it at point of interview	2	1	–	–	1

Control group
Quit, not smoking at time of interview	2	2	1	1	3

↵a Quit status ascertained by reference to biochemically verified continuous abstinence according to trial database at close of trial and information provided on feedback forms if completed.
↵b Quit status subsequently ascertained by self report during interview.