Sample characteristics from the two surveys (time of data collection: November 2012 and January 2014)
| Full sample | Picture countries | Text countries | |
| (n=11 849) | (n=7078) | (n=4771) | |
| Demographics | |||
| Age (mean) | 39.6 | 39.5 | 39.6 |
| Female (%) | 52.1 | 52.9 | 50.9 |
| Married (%) | 43.3 | 43.4 | 43.1 |
| Family size (mean) | 3.1 | 3.1 | 3.0 |
| Education | |||
| Primary/secondary education (%) | 57.8 | 54.7 | 62.4 |
| Tertiary education (%) | 42.2 | 45.3 | 37.6 |
| Smoking status | |||
| Regular (%) | 25.8 | 25.9 | 25.7 |
| Occasional (%) | 10.9 | 9.8 | 12.5 |
| Ex-smoker (%) | 16.8 | 17.0 | 16.5 |
| Never smoker (%) | 46.5 | 47.2 | 45.3 |
Information on smoking status is self-reported. Respondents could declare to be (i) smoker, (ii) social/special occasions smoker, (iii) ex-smoker or (iv) non-smoker. ‘Picture countries’ (DK, UK, BE, FR, ES and RO) are countries where combined text+picture warnings on packs of cigarettes were mandatory at the time of data collection, while ‘text countries’ are the countries where text-only warnings were in use (SE, DE, IT, PL). Statistically significant differences between the two groups of countries are reported in italic. See table 7 in online supplementary appendix B for country-specific summary statistics.
BE, Belgium; DE, Germany; DK, Denmark; ES, Spain; FR, France; IT, Italy; PO, Poland; RO, Romania; SE, Sweden; UK, United Kingdom.