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Table 2 Study measures and assessment times

From: Digital IAPT: the effectiveness & cost-effectiveness of internet-delivered interventions for depression and anxiety disorders in the Improving Access to Psychological Therapies programme: study protocol for a randomised control trial

Measure

Assessment

Time of assessment

M.I.N.I. 7.0.2 for DSM-5

Diagnosis

BL and 3-FU

PHQ-9

Depression

BL, contin, Post-T, FU

GAD-7

Anxiety

BL, contin, Post-T, FU

IAPT Phobia Scale

Specific Phobia

BL, contin, Post-T, FU

WSAS

Functioning

BL, contin, Post-T, FU

SPIN

Social Phobia

BL, Post-T, FU

HAI

Health anxiety

BL, Post-T, FU

PSWQ

GAD

BL, Post-T, FU

PDSS

Panic

BL, Post-T, FU

EQ-5D-5 L

Health status

BL, Post-T, 6-FU, 9-FU, 12-FU

ReQol-10

Recovering quality of life/ mental wellbeing

BL, Post-T, 6-FU, 9-FU, 12-FU

CSRI

Resource utilisation

BL, Post-T, 6-FU

PEQ

Patient experience

Post-T

STAR-C

Therapeutic alliance

Throughout treatment, at each review of client

STAR-P

Therapeutic alliance

Throughout treatment, after each progress review with clinician

PBRS-A

Repetitive Negative Thinking

BL, week 4, Post-T, 3-FU

ERQ

Emotion Regulation

BL, Post-T

FATS

CBT-related skills usage

FU

Therapist behaviours checklist

Therapist behaviours

During treatment at review of client

Expectancy / credibility

Expectancy and credibility with the intervention

BL, week 4, Post-T

Dropout questionnaire

Reasons for dropout

3-FU

  1. BL Baseline, Post-T Post-Treatment, FU All follow-ups, 3-FU 3-month follow-up, 6-FU 6-month follow-up, contin continuous, PHQ-9 Patient health questionnaire-9, GAD-7 Generalized anxiety disorder-7, WSAS Work and social adjustment, SPIN Social Phobia Inventory;` HAI Short health anxiety inventory, PDSS Panic disorder severity scale-self report, PSWQ Penn state worry questionnaire, EQ-5D-5 l EuroQol-5 Dimension-5 level, ReQoL-10 Recovering quality of life – 10 item version, CSRI Client services receipt inventory, PEQ Patient Experience questionnaire, PBSR-A Positive Beliefs about Rumination Scale – Adapted Version, FATS Frequency of Actions and Thoughts Scale, ERQ Emotion Regulation Questionnaire