“…Studies also reported income-to-needs ratio (amount of income relative to the cost of living) below 1.21 [ 56 ]; and income in the past 30 days of USD $0-$1150 [ 66 ] (four studies did not report the income range or percentage of poverty level) [ [67] , [68] , [69] , [70] ]. Notably, the sample characteristics were diverse across the studies, such as: homeless-experienced [ 66 ]; homebound due to mobility impairment [ 56 ]; US Medicare beneficiaries [ 60 ]; patients at health centres or urban and rural clinics serving low-income populations [ 55 , 57 , 70 ]; immigrants [ 62 , 67 ]; immigrants living in subsidized independent living residential [ 58 , 59 ]; older adults living with a disability, from subsidized public apartments [ 64 ]; older adults living in public senior housing facilities [ 63 , 69 ]; minorities residing in an affordable housing complex [ 19 ]; marginalized older adults from different racial or ethnic backgrounds [ 68 ]; members of a community centre located in one of the poorest neighbourhoods [ 65 ]; and older adults receiving home-delivered meals from aging-service agency [ 61 ]. In general, the population studied had cognitive impairment, and impairments in executive function [ 66 ]; were being treated for a chronic disease (diabetes, hypertension, dyslipidemia, or cardiovascular disease) [ 55 , 57 ]; had an average of three chronic illnesses, diagnosis of depression and anxiety [ 56 ]; had chronic health conditions, such as arthritis, hypertension, diabetes, chronic pain and asthma [ 19 , 58 , 59 ]; and were mobility impaired, homebound, having moderately severe to severe depressive symptoms [ 61 ].…”