. 2024 Feb 22;14:4338. doi: 10.1038/s41598-024-54081-1

Table 3.

Indicators of Independent Variables. (Source: Author’s Own Compilation).

Demographic variables	Gender (X1), age (X2), marital status (X3), education (X4), occupational category (X5), monthly rent as a proportion of monthly salary (X6), length of residence (X7), duration of participation in work (X8), commuting time (X9), and mode of commuting (X10)^24–29
Objective physical variables	Plan form of the apartment (X11), room style (studio, loft, one-bedroom, two-bedroom) (X12), room size (X13), presence of a kitchen in the room (X14), presence of a gym, activity room, etc. in the flat (X15), presence of a hospitality area, gathering area, etc. in the flat (X16)^12,24,30,31
subjective variables	Interior space, reasonableness of the functional layout of the room (X19A), width and depth (X19B), completeness of kitchen and bathroom facilities (X19C), interior decoration (X19D), storage space (X19E), use of electrical appliances (refrigerator, washing machine, air conditioning) (X19F), natural lighting, ventilation and illumination (X19G), comfort of temperature (X19H), noise control (X19I)^{24,27,32–37}
	Common space, relationship between corridors and elevators (or stairs) (X20A), use of (communal) kitchens (X20B), use of public fitness and recreational areas (X20C), plan form of the apartment (X20D), location of entrance foyers (X20E)^{12,14,24,32,38}
	Property management, maintenance and security services (X21A), cleaning services (X21B), Courier pick-up and storage (X21C), smart services (X21D)^{24,28,30,32,34}
	Social interaction, interactions with other tenants in the apartment (X22A), sense of attachment and belonging to the apartment (X22B), events organized within the apartment complex (X22C), social security in the apartment and its surroundings (X22D)^{24,30,31,33,39}
	Neighborhood environment, distance to medical facilities (X23A), distance to shopping malls, supermarkets, banks, etc. (X23B), distance to parks, squares, and other recreational areas (X23C), distance to bus stops or subway stations (X23D), convenience of parking facilities (X23E), accessibility design (X23F)^{24,27,28,30–33,40}