Table 1.

Scales to be administered at each measurement occasion

	Screening	Baseline	Post-test	6 month	12 month
Demographics	X
GAD-7	X	X	X	X	X
Prototypes	X			X
Generalised Anxiety Stigma Scale	X		X	X
Self-perceived emotional health	X			X
Social Phobia Inventory	X		X	X
Patient Health Questionnaire Panic	X		X	X
Patient Health Questionnaire Depression	X		X	X	X
Kessler 10	X		X		X
Panic & Social phobia screeners	X		X	X
Anxiety Literacy Scale	X		X	X	X
Eligibility	X
Anxiety Sensitivity Index		X	X	X	X
Penn State Worry Questionnaire		X	X	X	X
Centre for Epidemiological Studies Depression		X	X	X	X
Days out of role		X	X	X	X
Perceived helpfulness of sources		X	X	X	X
Help seeking		X	X	X	X
Medical Outcomes Study Social Support Survey		X
Childhood adversity		X
Life events		X
Alcohol Use Disorders Identification Test		X	X	X	X
Physical health		X	X	X	X
Medications		X	X	X	X
Smoking		X	X	X	X
Beliefs about internet		X	X		X
Usefulness of E-couch			X	X	X
Condition preference		X
Contamination			X		X
Employment status items (in demographics)					X

Note: For details of the references for these measures please see below.