| Term used for the Variable | Description |
| ELDER FEATURES IN UNIT | Elderly-friendly provisions in each rental flat |
| ELDER FACILITIES IN VICINITY | Elderly-friendly amenities in the blocks, precincts and neighbourhood |
| SECURITY | Condition of safety and freedom from crime and danger |
| NOISE | Relates to undesirable, unexpected or loud sounds in the public housing estate |
| AIR QUALITY | Health related and visible attributes of air. An example of poor air quality is air pollution |
| DWELLING | Describes the overall living condition of public rental housing |
| ESTATE CLEANLINESS | Relates to the presence of smell, garbage and clutter |
| PSYCHOLOGICAL | The mental state of the residents. For example, loneliness and depression |
| FUNCTIONAL | The capacity to engage in activities of daily living and social role activities |
| FINANCIAL | Ability to pay for daily expenses and other expenditure |
| PHYSICAL | Inability to move around due to ageing or other illnesses |
| R/S FAMILY | Connection with immediate family members |
| R/S NEIGHBOURS | Connection with other renters living nearby |
| R/S CAREGIVERS | Caregivers refer to volunteer workers who deliver and provide food, money and other services to the elderly |
| SOCIAL INCLUSION | Integration of the elderly with their community |
| GOODS AND SERVICES | Provision of consumer goods and services |
| MEDICAL SERVICES | Provision of medical services such as clinics and hospitals |
| TRANSPORTATION SERVICES | Provision of transportation such as bus stops and MRT stations |
| WORKMANSHIP | Describes the quality of the rental flat. Examples of poor workmanship are leaking pipes and spoiling concrete |
| DESIGN | Relates to the design and layout of the flat |
| SIZE | Refers to the size of the rental unit |