Internet-delivered cognitive behavioural therapy for insomnia disorder in depressed patients treated at an outpatient clinic for mood disorders: protocol of a randomised controlled trial

Table 1 Repeated measurements

Questionnaire	T0	T1	T2	T3	T4
Depression severity (PHQ-9)	x	x	x	x	x
Sleep quality (ISI)	x	x	x	x	x
Daily functioning (WSAS)	x	x	x	x	x
Quality of life (EQ-5D-5L)	x	x	x	x	x
Healthcare, patient and family costs (iMCQ)	x	x	x	x	x
Lost productivity costs (iPCQ)	x	x	x	x	x
Process evaluation questions	x	x			x

T0: baseline, T1: 3 months after T0, T2: 6 months after T0, T3: 9 months after T0, T4: 1 year after T0
Online measurements and instruments at different points of assessment. PHQ-9 Patient Health Questionnaire-9, ISI Insomnia Severity Index, WSAS Work and Social Adjustment Scale, EQ-5D-5L EuroQol, iMCQ iMTA Medical Cost Questionnaire, iPCQ iMTA Productivity Cost Questionnaire, Process evaluation questionnaire according to RE-AIM framework adjusted to the EINSTEIN study

ISSN: 1471-244X