TABLE 1.
Schedule of enrolment, interventions and assessments
| Activities | Study period | |||||
|---|---|---|---|---|---|---|
| Enrolment | Allocation | Post‐allocation | Close‐out | |||
| Baseline | 0 | 4‐week | 12‐week | 24‐week | t x | |
| Enrolment | ||||||
| Eligibility screen | X | |||||
| Informed consent | X | |||||
| Allocation | X | |||||
| Interventions | ||||||
| Usual care | X | |||||
| EC | X | |||||
| Assessments | ||||||
| Socio‐demographic characteristics | X | |||||
| Mental health status | X | |||||
| CO breath sample | X | X | X | X | ||
| Smoking behaviour (incl. risky smoking practices) | X | X | X | X | ||
| Motivation to stop smoking (MTSS) | X | X | X | X | ||
| Fagerström test of cigarette dependence (FTCD) | X | X | X | X | ||
| 7‐day point prevalence and 50% smoking reduction | X | X | X | |||
| Thoughts about EC | X | X | X | X | ||
| Adverse effects | X | X | X | X | ||
| Use of EC and unintended consequences (EC arm) | X | X | X | |||
| EC positive effects and EC support (EC arm) | X | X | X | |||
| Smoking cessation support received | X | X | X | X | ||
| Health‐care service use | X | X | X | X | ||
| Health‐related quality of life | X | X | X | X | ||
| Substance use | X | |||||
| AUDIT‐C | X | |||||
| Assessment of main effectiveness outcome | X | |||||
| Debrief | X | X | ||||
EC = electronic cigarettes; CO = carbon monoxide; AUDIT‐C = Alcohol Use Disorders Identification Test–Consumption.