Table 1.

Schedule of enrolment, treatments, and assessments

PHASE		Screening and baseline assessment	Allocation	Post-allocation
				Treatment phase		Follow-up phase
TIMEPOINT		Baseline (week 0)		Mid-treatment (week 8)	Post-treatment (week 15)	3-month FU (week 27)
ENROLMENT	Eligibility screen	X
	Informed consent	X
	Demographics	X
	Allocation		X
INTERVENTION	iCT-SAD + TAU			➡	➡	➡
	TAU			➡	➡
ASSESSMENTS	Questionnaires	X		X	X	X
	ADIS-5 SAD	X			X	X
	Adverse events			X	X	X
	Current medication	X		X	X	X
	Acceptability and feedback					X

FU follow-up, iCT-SAD internet-delivered version of cognitive therapy for social anxiety disorder, TAU treatment as usual, ADIS-5 Anxiety and Related Disorders Interview Schedule for DSM-5, SAD social anxiety disorder