Nienke Boderie

Chapter 3 64 1. First author’s name and affiliation 2. Publication year 3. Type of publication 4. Access information (DOI or URL) 5. Study design 6. Location of the study (e.g. country, region) 7. Description of the policy (e.g. places covered, whether or not the intervention is implemented, national or regional/local implementation) 8. For studies assessing support for policies already implemented: i. date of implementation, j. level of implementation (e.g. government, municipality), k. level of enforcement (e.g. voluntary, warnings, fines) 9. Observational period 10. Selection of participants (e.g. eligibility criteria, sampling methods) 11. Number of participants 12. Data source (e.g. national survey, study recruited participants) 13. Method of data collection 14. Definition of public support 15. Statistical analyses (if applicable) 16. Number and percentages of missing values and non-response (if applicable) 17. Techniques for handling missing values and non-response 18. Characteristics of the study population (e.g. age, gender, smoking status) 19. Levels of public support (estimate, 95% confidence intervals) 20. Determinants of public support (see section data synthesis for more detail) a. Within-study determinants b. Between-study determinants c. Context-specific determinants 21. Any conflict of interest reported by the authors 22. Funding source(s) Data will be complemented with the World Bank Country Classification by income, based on Gross National Income (GNI) per capita.29 Furthermore, we will seek information regarding whether at the time of the study traditional smoke-free regulation was already implemented in enclosed public areas and workspaces according to the WHO.23

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