Table 2.

Main category formed by the spindle encoding.

Fundamental category	Deputy category	Initial category
Social reality needs	B1 Social reality needs	A1 The base of the older adults is large A2 The older adults have a high demand for their services
	B2 Difficulties in life are prominent	A3 The problem of disability and dementia care is prominent A4 The proportion of empty nest and “only generation” older adults has increased
Government power and responsibility system	B3 organization and management system	A5 Party leadership A6 Party leadership
	B4 Division of government responsibility	A7 Service objectives A8 Standardize the service system A9 Construction of a grassroots service mechanism
Government governance capacity	B5 Problem response ability	A10 Development opportunity identification A11 Innovation-driven consciousness A12 Strengthen the concept of service
	B6 System supply capacity	A13 System building A14 Policy subsidy support
	B7 Ability to cooperate in governance	A15 Guiding the participation of social forces A16 Standardize industry operation
	B8 Digital building capacity	A17 Smart service A18 Intelligent platform
	B9 Supervision and management ability	A19 Supervision and evaluation A20 performance appraisal
Social undertaking capacity	B10 Socialization and market-oriented operation	A21 Integrate community pension resources A22 Cultivate older adults care industry clusters
	B11 Professional talent training	A23 Strengthen personnel team building A24 Improve the service level of personnel