Table 3.

Schedule of trial measures

Follow-up	Trial measures
Baseline (wk -2)	Smoking history, demographics, nicotine dependence using Fagerstrom Test for Nicotine Dependence (FTND)[49], urges and withdrawal (MPSS[51]), confidence in quitting, smoking stereotypy[48], cigarette satisfaction[47], future orientation questionnaire, exhaled carbon monoxide (CO), salivary cotinine, Give out diaries.
Pre-quit visit (wk -1)	CO, cotinine, MPSS, confidence, smoking stereotypy, cigarette satisfaction, adverse events. Collect diaries with daily smoking, NRT use, MPSS urge questions. Give out diaries.
Extra pre-quit visit (wk -1a)	Only applicable if delays quit date by 1 week CO, MPSS, confidence, smoking stereotypy, cigarette satisfaction, adverse events. Collect diaries with daily smoking, NRT use. Give out diaries.
Extra pre-quit visit (wk -1b)	Only applicable if delays quit date by 2 weeks CO, MPSS, confidence, smoking stereotypy, cigarette satisfaction, adverse events. Collect diaries with daily smoking, NRT use. Give out diaries.
Quit day (wk 0)	CO, cotinine, MPSS, confidence, smoking stereotypy, cigarette satisfaction, adverse events. Collect diaries with daily smoking, NRT use, MPSS urge questions. Give out diaries.
One week after quit day (wk +1)	CO, cotinine, MPSS, confidence, cigarette satisfaction if lapsed, adverse events Collect diaries with daily smoking, NRT use, MPSS urge questions
Post-quit visits (wks +2, +3, +4)	Smoking in past week, CO, MPSS, confidence, cigarette satisfaction if lapsed, future orientation questionnaire at week 4, amount NRT used, adverse events
+8 wk visit	Smoking in past 4 weeks, CO, MPSS, cigarette satisfaction if lapsed, confidence, amount NRT used, adverse events
6-month telephone call	Smoking status over past 5 months, use of NRT. Those claiming 7-day abstinence will be invited to a validation visit for exhaled CO and to complete the future orientation questionnaire. Serious adverse events (SAEs)