Internet cognitive behavioural therapy for insomnia versus internet cognitive behavioural therapy for anxiety in a comorbid sample

Not Applicable

Completed

• Conditions: insomnia; depression; Mental Health - Depression; Mental Health - Other mental health disorders; anxiety; Mental Health - Anxiety

• Registration Number: ACTRN12618001141235
• Lead Sponsor: St Vincent's Hospital, Sydney

Brief Summary

Not available

Detailed Description

Not available

Study Timeline

• Study Start: 2018-07-11
• Study Completion: 2021-01-14
• Last Update Posted: 2022-02-21

Recruitment & Eligibility

• Status: Completed
• Sex: All
• Target Recruitment: 120

Inclusion Criteria

Individuals aged over 18 years old with online questionnaire scores indicating a clinical level of anxiety on the GAD-7 (> 9) and insomnia on the ISI (> 14).

Participants must be prepared to provide their own name, phone number and address, and details of their general practitioner (GP). Participants are also required to have English language skills equivalent to a School Certificate level, access to a phone and computer with a printer, and must provide electronic informed consent.

Exclusion Criteria

Mental health exclusion criteria will include self-reported diagnosis of psychosis, bipolar disorder, substance abuse or dependence, current PTSD, severe depression (PHQ-9 >23), current suicidality, and/or a PHQ-9 Item 9 score above 1, and/or BDI Item 9 score above 1. Additional exclusion criteria will include presence of untreated sleep disorder other than insomnia, engagement in shift work/presence of commitments that interfere with regular night-time sleep patterns, bed times outside of 8pm-2am more than twice a week not primarily due to insomnia, previous participation in a This Way Up course for insomnia or anxiety, and changes in/initiation of psychological or pharmacological treatment in the previous 2 months to application. Participants who do not complete 7 sleep diaries within a 10-day period will not be eligible to participate.

Study & Design

• Study Type: Interventional
• Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
Insomnia Severity Index (ISI; Morin, 1993) - a brief self-report instrument measuring the symptoms of insomnia. [Immediately pre-treatment, mid-treatment (before lesson 3), post-treatment (primary endpoint; 1 week after the final lesson), and 3-month follow-up (3-months after the completion of the post-treatment questionnaires).];Generalized Anxiety Disorder 7-point Scale (GAD-7; Spitzer et al., 2006) – a validated measure to assess generalized anxiety symptoms.[Immediately pre-treatment, mid-treatment (before lesson 3), post-treatment (primary endpoint; 1 week after the final lesson), and 3-month follow-up (3-months after the completion of the post-treatment questionnaires).]