Demographics of participants in each round
| Female (F) or male (M) | Age range | Educational status* | Use of literature at work † | |
|---|---|---|---|---|
| Round 1 (10) | 7F, 3M | 29–74 | 1=4, 2=4, 3=2 | Y=3, N=7 |
| Round 2 (10) | 7F, 3M | 22–71 | 1=4, 2=4, 3=2 | Y=3, N=7 |
| Round 3 (10) | 7F, 3M | 26–72 | 1=4, 2=4, 3=2 | Y=3, n=7 |
| Round 4 (10) | 7F, 3M | 21–73 | 1=4, 2=4, 3=2 | Y=3, N=7 |
*Educational status: 1=education complete by 16 years; 2=A-level or equivalent; 3=higher educational graduate.
†Use of literature at work: Y=yes: uses written documents regularly at work; N=no: written document not used regularly at work, not working or retired.