Table 2.

Types of supply–demand matching relationships for health care facilities for older adults in 2020.

Type code	Type	Supply level (2020)	Demand level (2020)
11	high–level supply–demand balance	Accessibility ≥ mean	At least one index of density and degree ≥ mean
21	oversupply	Accessibility ≥ mean	Both density and degree indices < mean
31	density–oriented undersupply	Accessibility < mean	Density index ≥ mean
32	degree–oriented undersupply		Degree index ≥ mean
33	bifactor–oriented undersupply		Both density and degree indices ≥ mean
41	low–level supply–demand balance	Accessibility < mean	Both density and degree indices < mean