Table 2.
Participant characteristics and intervention allocation
| n=17 | |||
| n or median | % (range) | ||
| Age (years) | 66 | 53–81 | |
| Ethnicity | White British/white other | 16 | 94 |
| Caribbean | 1 | 6 | |
| Marital status | Married | 13 | 76 |
| Not married | 4 | 24 | |
| Education level | Secondary school (eg, O-levels, GCSE) | 9 | 53 |
| University | 7 | 41 | |
| Further education (eg, A-levels, HND) | 1 | 6 | |
| Occupation status | Retired | 12 | 71 |
| Employed | 5 | 29 | |
| Intervention arm | Lycopene and brisk walking | 4 | 23 |
| Lycopene and physical activity control | 3 | 18 | |
| Plant-based diet and brisk walking | 3 | 18 | |
| Plant-based diet and physical activity control | 3 | 18 | |
| Brisk walking and nutritional control | 3 | 18 | |
| Control | 1 | 6 | |
O-level, GCSE: national school examinations at age 16 years. A-level: national school examinations at age 18 years. Higher national diploma (HND) is a work-related course provided by higher and further education colleges in the UK. A full-time HND takes 2 years to complete and generally is the equivalent to 2 years at university.