uk-dgm MCQ (SBA): CGA Domains - Social and Environmental

A 75-year-old man has a Comprehensive Geriatric Assessment performed during a hospital admission for pneumonia. He has CKD stage 3a, type 2 diabetes, osteoarthritis, depression, and mild cognitive impairment. He lives alone in a ground-floor flat. He uses a walking frame and can prepare simple meals but cannot manage shopping or finances. His Barthel Index is 14/20. Which dimension of CGA does his housing and social support assessment fall under?