Table 1.

Definition of study outcomes

Study outcomes	Definition
Compliance: Attend ED immediately	Presence of an ED or hospital record within 24 h of call
Compliance: See a doctor immediately, in 4 h or 24 h	Presence of an ED or hospital record within 24 h of call or a MBS claim within 2 days
Compliance: Self-care	No ED or hospital record within 48 h of call and no MBS claim within 2 days
Self-referral to ED or hospital in 24 h	Presence of an ED or hospital record within 24 h of call among patients who were given the disposition “self-care” or low-urgency dispositions (including “see doctor in 72 h or 2 weeks”, “see a dentist in 72 h, in 2 weeks or when available”, and “see a health provider in 72 h, in 2 weeks or when available”).