Table 6.

Selective coding for interview materials.

Main Categories	Corresponding Categories	Specific Meaning of Category
C1 Management system	B1 Delivery specification	Work specifications and code of conduct for take-out riders
	B2 Compensation system	Salary system and incentive mechanism for take-out industry
C2 Technical means	B3 Algorithm technology	Control of platform labor process with the help of algorithm technology
C3 Labor factor	B4 Group characteristic factors	Demographic characteristics of workers in take-out industry
	B5 Social adaptation	Economic level, social interaction, and psychological identity level of take-out riders
C4 Participant factor	B6 Agent factors	Management style and attitude of the managers towards take-out riders
	B7 Merchant factors	Attitude of merchants towards take-out riders
	B8 Consumer factors	Factors of consumers affecting rider work