Table 1. Participant characteristics.

Participant	Age range	Sex	Housing conditions and living alone/co-living
P1	85–89	Female	Living alone in one-level flat
P2	75–79	Male	Living with partner in multilevel house
P3	75–79	Male	Living with partner in multilevel house
P4	85–89	Female	Living with partner in multilevel house
P5	75–79	Female	Living alone in one-level flat
P6	90–94	Female	Living with partner in multilevel house
P7	85–89	Male	Living alone in multilevel house
P8	85–89	Female	Living alone in one-level flat
P9	80–84	Female	Living alone in sheltered housing
P10	80–84	Female	Living with partner in one-level flat
P11	85–89	Female	Living alone in multilevel flat
P12	90–94	Male	Living alone in multilevel house
P13	70–74	Female	Living alone in multilevel flat
P14	75–79	Male	Living with partner in one-level flat
P15	85–89	Male	Living alone in sheltered housing