| Research | Variables | |
| Kim, S. (2002) | Accessibility | Configuration of space, segregation of pedestrian and vehicle, conspicuousness of the main entrance of POPS, level difference obstacle |
| Openness | Visual blockage, existence of stairs/slope/wall, existence of signage/ventilation/electric installations, width of POPS | |
| Convenience | Level of concentration of POPS, level of concentration of landscape, street furniture | |
| Aesthetics | Type of landscape, width of landscaped area, public art | |
| Management | Management condition, parking, flatness | |
| Song, J. (2005) | User count | Total users, host building-related users, non-host building-related users, users/m2 |
| Locational variables | The number of accessible sides, distance from metro station, bus stop, location characteristic on street system, local/global integration of adjacent street | |
| Non-locational variables | Total floor area of host building, area of public space, configuration of space, use of ground floor facility of host building | |
| Jang, H. (2006) | User count | Total users, host building-related users, non-host building-related users, total users/m2 |
| Accessibility | Configuration of space, the number of accessible sides, distance from metro station, bus stop, and crosswalk | |
| Openness | Width/depth of adjacent street, width of entrance, sky blockage ratio, side blockage ratio | |
| Convenience | Seating, area of public space | |
| Aesthetics | Landscaped area, environmental sculpture | |
| Management | Flatness, management condition, number of pedestrians on adjacent street | |
| Others | Total floor area of host building, use of ground level/underground facility of host building | |
| Im, D. (2014) | User count | Total users, host building-related users, non-host building-related users, optional activity users, social activity users |
| Physical component | Shape and area of public space, configuration of public space | |
| Accessibility | Width of adjacent street, number of accessible sides, distance from metro station/bus stop/crosswalk | |
| Facility use | Use of ground floor facility of host building | |