Figure 2.

The model plots from controlled interrupted time series analysis showing the monthly rate (per 1,000 smokers) of a) Referral to b) Participation (Initial counselling session) c) Interaction (Total counselling sessions) with Quitline and d) NRT gum, e) NRT lozenge and f) NRT patch dispatched from Quitline in intervention and control area during study period

Notes:

Referral: the number of client referrals to the Quitline service received by the Health Contact Centre of Queensland Health (HCC). This could be either by client self-referral or third party referral from another person or organisation.

Participation/ Initial counselling session: the number of clients who completed at least the first Quitline call.

Interaction/ Total counselling sessions: the number of individual Quitline telephone counselling sessions completed in the study area comprising of initial and subsequent calls.

NRT gum dispatch: the number of nicotine gum (4 mg) pieces dispatched to Intensive Quit Support Program (IQSP) clients.

NRT lozenge dispatch: the number of nicotine lozenges (4 mg) dispatched to IQSP clients.

NRT patch dispatch: the number of nicotine patches (21 mg) dispatched to IQSP clients

Period 1 = Pre-launch period of any intervention (1 January 2014 to 31 January 2017); Period 2 = Time between launching of IQSP by Quitline until the “10,000 Lives” started to work (1 February 2017 to 31 August 2017); Period 3 = Post-launch period of “10,000 Lives” (1 November 2017 to 31 December 2019); X= Buffer period (1 September 2017 to 31 October 2017) which is excluded from analysis.