Table 1

List of research questions and operational definitions

Research questions	Operational definitions
1. Which tobacco control strategies are being addressed in the tobacco control literature?	Tobacco control strategies based on FCTC(5): ▸ Price and tax measures ▸ Protection from exposure ▸ Regulation of contents and product disclosures ▸ Packaging/labelling ▸ Education and awareness ▸ Advertising, promotion, sponsorship ▸ Cessation ▸ Illicit trade ▸ Sales to minors
2. Who are the target populations being addressed in the tobacco control literature?	Target populations: ▸ Society – Government – Industry Community – Healthcare – Schools – Workplaces ▸ Family ▸ Individual ▸ Child/youth
3. How often is equity addressed in the tobacco control literature and how is equity being integrated into published reviews?	Equity categories based on the PRISMA extension:18 ▸ Population characteristics including gender, age, ethnicity, socioeconomic status ▸ Assumptions and rationale related to equity are stated ▸ Intention to address equity as the focus of review, the research question or within the analysis ▸ Strategy to address root structural source is stated
4. What barriers and facilitators to implementing tobacco control strategies are identified in the literature?	Barriers and facilitators: ▸ As stated by author(s)
5. Is intervention effectiveness evident within the tobacco control literature?	Effectiveness: ▸ Intervention outcomes presented by author(s) ▸ Authors’ suggestions for future research