Participant characteristics
| Participant characteristics | Number of participants (percentage) | |
| Gender | Male | 834 (48) |
| Female | 910 (52) | |
| Age | 18–24 | 194 (11) |
| 25–34 | 283 (16) | |
| 35–44 | 319 (18) | |
| 45–54 | 362 (21) | |
| 55–64 | 312 (18) | |
| 65+ | 274 (16) | |
| Numeracy level* | 1 | 64 (4) |
| 2 | 140 (8) | |
| 3 | 300 (17) | |
| 4 | 348 (20) | |
| 5 | 338 (19) | |
| 6 | 289 (17) | |
| 7 | 97 (6) | |
| 8 | 168 (10) | |
| Education level | No formal education above age 16 | 225 (13) |
| Professional or technical qualifications above age 16 | 325 (19) | |
| School education up to age 18 | 460 (26) | |
| Degree (Bachelors) or equivalent | 528 (30) | |
| Degree (Masters) or other postgraduate qualification | 185 (11) | |
| Doctorate | 19 (1) | |
Participants quota-sampled from the UK, 2020.
*Numeracy measured by a combination of the adaptive Berlin numeracy test,48 three questions from Schwartz et al,49 and one from Lipkus et al.50