“…We advised participants to start using one patch per day, 2 weeks before their quit-date; although pre-cessation use of NRT is not mentioned as a treatment option in the New Zealand smoking cessation guidelines (unless as part of a cut-down to quit strategy), 19 trial evidence indicates this approach significantly increases long-term quitting success. 20 During this period, participants randomly assigned to an e-cigarette were advised to use the device as and when necessary or desired, and in accordance with the manufacturer's written instructions, to become familiar with its use. 3,21,22 In this way, the time-period of pre-cessation use of treatment products was matched.…”