Quota sampling combinations, initially aiming for 5 per cell and then 7 once top-up funds were received in spring 2021
| Condition—to match UK administrative data disability categories Ethnicity | People born outside the UK from parents not born in the UK | |||||
| Arab | Sub-Saharan African | Central/East European | South Asian | Born in the UK from parents not born in the UK | Native White British | |
| Mental health | ||||||
| Mobility | ||||||
| Stamina/breathing/ fatigue (including heart) | ||||||
| Sensorial | ||||||
| Cognitive | ||||||
| Food-relevant | ||||||
| No condition/disability | ||||||