Baseline characteristics (weighted and unweighted) of the study cohort in Ireland (n = 769) and in the UK (n = 416)
| Characteristic | Unweighted | Weighted | |||
|---|---|---|---|---|---|
| Ireland | UK | Ireland | UK | p Value | |
| Sex | 0.663 | ||||
| Female | 58.3 | 55.5 | 48.7 | 50.0 | |
| Male | 41.7 | 44.5 | 51.3 | 50.0 | |
| Age (years) | 0.001 | ||||
| 18–24 | 10.5 | 5.3 | 20.9 | 13.7 | |
| 25–39 | 26.1 | 38.2 | 34.3 | 38.3 | |
| 40–54 | 39.3 | 30.5 | 26.9 | 23.6 | |
| 55+ | 24.1 | 26.0 | 17.8 | 24.4 | |
| Education | 0.304 | ||||
| 12 years or less | 69.2 | 59.1 | 63.6 | 60.5 | |
| More than 12 years | 30.8 | 40.9 | 36.4 | 39.5 | |
| Ethnicity | 0.484 | ||||
| White | 94.4 | 96.4 | 95.1 | 96.0 | |
| Other/mixed | 5.6 | 3.6 | 4.9 | 4.0 | |
| Average cigarettes per day (SD) | 17.9 (10.3) | 17.9 (11.3) | 17.6 (10.5) | 18.0 (11.7) | 0.530 |
| Quit attempt(s) in past year | 0.008 | ||||
| No attempt in past year | 55.6 | 60.6 | 51.1 | 59.2 | |
| At least one attempt in past year | 44.4 | 39.4 | 48.9 | 40.8 | |