Table 1.

Variable descriptions

Variable	Measurement	Item	Source
Intention to consult (IC)	Continue to consult	“If I need an orthopedic treatment in the future, I will continue to use the consultation service in the online medical community”	[20]
	Recommend others to consult	“I would recommend that other users who need orthopedic treatment seek a consultation in the online medical community”
Perceived value (PV)	Functional value	“The online medical community can provide professional and reliable online orthopedic consulting services, and the price is reasonable”	[21, 22]
	Emotional value	“The orthopedic consultation service provided by the online medical community is satisfying. The consultation made me feel relaxed and was enjoyable”
Perceived trust (PT)	Trust in doctors	“The doctors in the online medical community will do their best to solve my problems and keep my consultation information confidential.”	[23]
	Trust in platform	“The online medical community will try its best to solve the problems during my consultation and keep my personal information confidential”
Disease risk category (risk)	High risk	Fracture of cervical vertebrae, pelvic fracture, deep venous thrombosis of lower limb, open fracture, dismemberment of limbs and trunk, etc	[24]
	Low risk	Fasciitis, lumbar muscle strain, heel pain, tenosynovitis, soft tissue injury, external humeral epicondylitis, etc
Professional title (Title)	Four categories	Resident, attending physician, associate chief physician, chief physician	[25]
Number of consultations (number)	Four levels	100 or below, 100–300, 300–500, 500 or above	[24]
Favorability rating of doctor (rate)	Four levels	70% or below, 70–80%, 80–90%, 90% or above	[26]