Table 2 Coding framework
Construct | Code(s) |
|---|---|
A. Bibliographic Information | |
 Authors(s) | As stated in article |
 Title | As stated in article |
 Publication year | As stated in article |
B. Study Characteristics | |
 Study design | 1. Randomized Controlled Trial (RCT) or Controlled Clinical Trial (CCT) |
2. Quasi Experiment (two or more groups pre and post) | |
3. Cohort (one group pre and post) | |
4. Interrupted time series (or Longitudinal) | |
 Location | Country, Region |
 Study aim(s) | As stated in article |
 Product | cigarette, e-cigar, shisha, beedis, roll your own, etc. |
 GHWs disclosure formats - Graphics | Location i. Both the front and back ii. On principal display areas (top, bottom) iii. Package inserts iv. Others Size v. 51% or more vi. Between 31% ~ 50% vii. Less than 30% Colors viii. Black and white ix. Others (specify) Image concept x. Positive outcome focused xi. Negative outcome focused Others – Congruency – whether the image is congruent with the text warnings |
 GHWs disclosure formats - Texts | Location xii. All sides of a package xiii. Both the front and back xiv. On principal display areas (top, bottom) xv. Package inserts xvi. Others Size xvii. Legible font size xviii. Not legible font size Color xix. Black and white xx. Others (specify) Language Message content xxi. Positive outcome focused xxii. Negative outcome focused Source attribution (specify) |
Others (specify) | |
 Intervention sample | Sample description (e.g. people aged 18–25, smokers) |
C. Outcome Evaluation | |
 Outcome measure - Benefits of quitting/Quit intentions | Pre-post changes across different groups |
 Outcome measure - Perceived risk of smoking | Pre-post changes across different groups |