Participants’ characteristics
| Age, years | |
| Mean (SD) | 64.4 (9.3) |
| Range | 50–86 |
| Sex, n (%) | |
| Male | 23 (47.9) |
| Female | 25.0 (52.1) |
| Ethnic group, n (%) | |
| White | 44 (91.7) |
| Asian | 3 (6.3) |
| Other | 1 (2.1) |
| Marital status, n (%) | |
| Married/cohabiting | 25 (52.1) |
| Not married/cohabiting | 23 (47.9) |
| Highest level of education, n (%) | |
| University degree | 11 (22.9) |
| A-level/equivalent | 12 (25.0) |
| O-level/GCSE equivalent | 11 (22.9) |
| No formal qualifications | 14 (29.2) |
| Employment, n (%) | |
| Employed | 12 (25.0) |
| Self-employed | 6 (12.5) |
| Unemployed | 3 (6.3) |
| Retired | 25 (52.1) |
| Disabled/too ill to work | 2 (4.2) |
GCSE = General Certificate of Secondary Education. SD = standard deviation.