Between-group difference in observer-rated levels of depressive symptoms at week 1 after randomization.
Assessed with the Hamilton Depression Rating Scale (HDRS-6), a 6-item questionnaire for depressive symptoms the last 24 hours. Each item is rated on a 0 to 4 rating scale with higher scores indicating more depressive symptoms. The range is 0-22.
Between-group difference in observer-rated levels of depressive symptoms at week 2 after randomization
Assessed with the Hamilton Depression Rating Scale (HDRS-6), a 6-item questionnaire for depressive symptoms the last 24 hours. Each item is rated on a 0 to 4 rating scale with higher scores indicating more depressive symptoms. The range is 0-22.
Between-group difference in observer-rated levels of depressive symptoms at week 4 after randomization.
Assessed with the Hamilton Depression Rating Scale (HDRS-6), a 6-item questionnaire for depressive symptoms the last 24 hours. Each item is rated on a 0 to 4 rating scale with higher scores indicating more depressive symptoms. The range is 0-22.
Between-group difference in observer-rated levels of depressive symptoms at week 8 after randomization
Assessed with the Hamilton Depression Rating Scale (HDRS-6), a 6-item questionnaire for depressive symptoms the last 24 hours. Each item is rated on a 0 to 4 rating scale with higher scores indicating more depressive symptoms. The range is 0-22.
Between-group difference in observer-rated levels of depressive symptoms at week 24 after randomization
Assessed with the Hamilton Depression Rating Scale (HDRS-6), a 6-item questionnaire for depressive symptoms the last 24 hours. Each item is rated on a 0 to 4 rating scale with higher scores indicating more depressive symptoms. The range is 0-22.
Between-group difference in observer-rated levels of depressive symptoms at week 52 after randomization
Assessed with the Hamilton Depression Rating Scale (HDRS-6), a 6-item questionnaire for depressive symptoms the last 24 hours. Each item is rated on a 0 to 4 rating scale with higher scores indicating more depressive symptoms. The range is 0-22.
Between-group difference in self-reported anxiety symptoms at week 1 after randomization
Here assessed with the General Anxiety Disorder (GAD-7), a 7 items self-report scale for central symptoms of anxiety over the last 14 days. The range is 0 to 21, with higher scores indicating more severe anxiety.
Between-group difference in self-reported anxiety symptoms at week 2 after randomization.
Here assessed with the General Anxiety Disorder (GAD-7), a 7 items self-report scale for central symptoms of anxiety over the last 14 days. The range is 0 to 21, with higher scores indicating more severe anxiety.
Between-group difference in self-reported anxiety symptoms at week 4 after randomization
Here assessed with the General Anxiety Disorder (GAD-7), a 7 items self-report scale for central symptoms of anxiety over the last 14 days. The range is 0 to 21, with higher scores indicating more severe anxiety.
Between-group difference in self-reported anxiety symptoms at week 8 after randomization
Here assessed with the General Anxiety Disorder (GAD-7), a 7 items self-report scale for central symptoms of anxiety over the last 14 days. The range is 0 to 21, with higher scores indicating more severe anxiety.
Between-group difference in self-reported anxiety symptoms at week 24 after randomization
Here assessed with the General Anxiety Disorder (GAD-7), a 7 items self-report scale for central symptoms of anxiety over the last 14 days. The range is 0 to 21, with higher scores indicating more severe anxiety.
Between-group difference in self-reported anxiety symptoms at week 52 after randomization
Here assessed with the General Anxiety Disorder (GAD-7), a 7 items self-report scale for central symptoms of anxiety over the last 14 days. The range is 0 to 21, with higher scores indicating more severe anxiety.
Between-group difference in self-reported insomnia symptoms at week 1 after randomization
Here assessed with the Insomnia Severity Index (ISI), a 7-item questionnaire for the severity of insomnia symptoms the last 14 days. Each item is rated on a 0 to 4 rating scale with higher scores indicating more severe symptoms. The ISI has good psychometric properties and is validated for online use. Range is 0-28 with higher values represent higher levels of insomnia symptom severity.
Between-group difference in self-reported insomnia symptoms at week 2 after randomization.
Here assessed with the Insomnia Severity Index (ISI), a 7-item questionnaire for the severity of insomnia symptoms the last 14 days. Each item is rated on a 0 to 4 rating scale with higher scores indicating more severe symptoms. The ISI has good psychometric properties and is validated for online use. Range is 0-28 with higher values represent higher levels of insomnia symptom severity.
Between-group difference in self-reported insomnia symptoms at week 4 after randomization
Here assessed with the Insomnia Severity Index (ISI), a 7-item questionnaire for the severity of insomnia symptoms the last 14 days. Each item is rated on a 0 to 4 rating scale with higher scores indicating more severe symptoms. The ISI has good psychometric properties and is validated for online use. Range is 0-28 with higher values represent higher levels of insomnia symptom severity.
Between-group difference in self-reported insomnia symptoms at week 8 after randomization
Here assessed with the Insomnia Severity Index (ISI), a 7-item questionnaire for the severity of insomnia symptoms the last 14 days. Each item is rated on a 0 to 4 rating scale with higher scores indicating more severe symptoms. The ISI has good psychometric properties and is validated for online use. Range is 0-28 with higher values represent higher levels of insomnia symptom severity.
Between-group difference in self-reported insomnia symptoms at week 24 after randomization
Here assessed with the Insomnia Severity Index (ISI), a 7-item questionnaire for the severity of insomnia symptoms the last 14 days. Each item is rated on a 0 to 4 rating scale with higher scores indicating more severe symptoms. The ISI has good psychometric properties and is validated for online use. Range is 0-28 with higher values represent higher levels of insomnia symptom severity.
Between-group difference in self-reported insomnia symptoms at week 52 after randomization.
Here assessed with the Insomnia Severity Index (ISI), a 7-item questionnaire for the severity of insomnia symptoms the last 14 days. Each item is rated on a 0 to 4 rating scale with higher scores indicating more severe symptoms. The ISI has good psychometric properties and is validated for online use. Range is 0-28 with higher values represent higher levels of insomnia symptom severity.
Prospective daily sleep-wake pattern at day 3 after randomization
Here assessed with the Consensus Sleep Dairy and actigraphy, which will be completed by the participant at baseline and each follow-up point for 14 days.
Prospective daily sleep-wake pattern at day 4 after randomization.
Here assessed with the Consensus Sleep Dairy and actigraphy, which will be completed by the participant at baseline and each follow-up point for 14 days.
Prospective daily sleep-wake pattern at week 1 after randomization.
Here assessed with the Consensus Sleep Dairy and actigraphy, which will be completed by the participant at baseline and each follow-up point for 14 days.
Prospective daily sleep-wake pattern at week 2 after randomization.
Here assessed with the Consensus Sleep Dairy and actigraphy, which will be completed by the participant at baseline and each follow-up point for 14 days.
Prospective daily sleep-wake pattern at week 4 after randomization.
Here assessed with the Consensus Sleep Dairy and actigraphy, which will be completed by the participant at baseline and each follow-up point for 14 days.
Prospective daily sleep-wake pattern at week 8 after randomization
Here assessed with the Consensus Sleep Dairy and actigraphy, which will be completed by the participant at baseline and each follow-up point for 14 days.
Prospective daily sleep-wake pattern at week 24 after randomization.
Here assessed with the Consensus Sleep Dairy and actigraphy, which will be completed by the participant at baseline and each follow-up point for 14 days.
Prospective daily sleep-wake pattern at week 52 after randomization
Here assessed with the Consensus Sleep Dairy and actigraphy, which will be completed by the participant at baseline and each follow-up point for 14 days.
Chronotype at week 8 after randomization.
Here assessed with the Reduced Morningness - Eveningness Questionnaire (rMEQ), a widely used measure of chronotype i.e. time preference for daily activities, including bed-times. The rMEQ has five items yielding scores from 4 to 25, with lower scores indicating "eveningness" and higher scores indicating "morningness". Higher scores indicate higher levels of morningness. Scores can be divided into five categories: definitely evening type (score <8), moderately evening type (Score 8-11), neither type (score 12-17), moderately evening type (score 18-21), and definitely morning type (score >21).
Work and social adjustment at week 1.
Assessed with the Work and Social Adjustment Scale (WSAS). WSAS is a self-administered questionnaire that measures the subjective experience of functionality in work and social environments. The 5 items are rated on an 8-point Likert scale. Total scores range from 0-40, with a higher score indicating more functional impairment.
Work and social adjustment at week 2.
Assessed with the Work and Social Adjustment Scale (WSAS). WSAS is a self-administered questionnaire that measures the subjective experience of functionality in work and social environments. The 5 items are rated on an 8-point Likert scale. Total scores range from 0-40, with a higher score indicating more functional impairment.
Work and social adjustment at week 4.
Assessed with the Work and Social Adjustment Scale (WSAS). WSAS is a self-administered questionnaire that measures the subjective experience of functionality in work and social environments. The 5 items are rated on an 8-point Likert scale. Total scores range from 0-40, with a higher score indicating more functional impairment.
Work and social adjustment at week 8.
Assessed with the Work and Social Adjustment Scale (WSAS). WSAS is a self-administered questionnaire that measures the subjective experience of functionality in work and social environments. The 5 items are rated on an 8-point Likert scale. Total scores range from 0-40, with a higher score indicating more functional impairment.
Work and social adjustment at week 24
Assessed with the Work and Social Adjustment Scale (WSAS). WSAS is a self-administered questionnaire that measures the subjective experience of functionality in work and social environments. The 5 items are rated on an 8-point Likert scale. Total scores range from 0-40, with a higher score indicating more functional impairment.
Work and social adjustment at week 52
Assessed with the Work and Social Adjustment Scale (WSAS). WSAS is a self-administered questionnaire that measures the subjective experience of functionality in work and social environments. The 5 items are rated on an 8-point Likert scale. Total scores range from 0-40, with a higher score indicating more functional impairment.
General health and health-related quality of life at week 1
Assessed with the EQ-5D-5L. The EQ-5D-5L is a self-administered questionnaire that assesses general health and health-related quality of life at the day of measurement. The 5 items are rated on a 5-point Likert scale in addition to a 0-100 rating of overall experienced health condition.
General health and health-related quality of life at week 2.
Assessed with the EQ-5D-5L. The EQ-5D-5L is a self-administered questionnaire that assesses general health and health-related quality of life at the day of measurement. The 5 items are rated on a 5-point Likert scale in addition to a 0-100 rating of overall experienced health condition.
General health and health-related quality of life at week 4.
Assessed with the EQ-5D-5L. The EQ-5D-5L is a self-administered questionnaire that assesses general health and health-related quality of life at the day of measurement. The 5 items are rated on a 5-point Likert scale in addition to a 0-100 rating of overall experienced health condition.
General health and health-related quality of life at week 8
Assessed with the EQ-5D-5L. The EQ-5D-5L is a self-administered questionnaire that assesses general health and health-related quality of life at the day of measurement. The 5 items are rated on a 5-point Likert scale in addition to a 0-100 rating of overall experienced health condition.
General health and health-related quality of life at week 24
Assessed with the EQ-5D-5L. The EQ-5D-5L is a self-administered questionnaire that assesses general health and health-related quality of life at the day of measurement. The 5 items are rated on a 5-point Likert scale in addition to a 0-100 rating of overall experienced health condition.
General health and health-related quality of life at week 52.
Assessed with the EQ-5D-5L. The EQ-5D-5L is a self-administered questionnaire that assesses general health and health-related quality of life at the day of measurement. The 5 items are rated on a 5-point Likert scale in addition to a 0-100 rating of overall experienced health condition.
Patient satisfaction and experienced negative effects at week 4 after randomization
A self-report measure was developed to assess the subjective experiences of patients in the study. The measure includes items to assess whether there have been positive and negative effects of the interventions and will include a free-text space to elaborate if none of the expected effects are experienced.
Serious adverse events will be assessed after 52 weeks after randomization.
Adverse events will be reported to the study team continuously throughout the study period, and will be registered. Any serious adverse events will be reported.
Use of health care services at 52 weeks after randomization.
Assessed through questionnaires and health care records.
Use of health care services at 5 years after randomization
Assessed through questionnaires and health care records.
Use of health care services at 10 years after randomization.
Assessed through questionnaires and health care records.
Between-group difference in self-reported levels of depressive symptoms at day 3 after randomization
Assessed with the Inventory of Depressive Symptomatology Self-Report (IDS-SR), a 30-item questionnaire assessing depressive symptomatology. Items are rated on a Likert scale from 0 to 3, with higher scores indicating more depressive symptoms. The range is 0-84.
Between-group difference in self-reported levels of depressive symptoms at day 4 after randomization
Assessed with the Inventory of Depressive Symptomatology Self-Report (IDS-SR), a 30-item questionnaire assessing depressive symptomatology. Items are rated on a Likert scale from 0 to 3, with higher scores indicating more depressive symptoms. The range is 0-84. On day 4, sleep items will be excluded from the questionnaire.
Between-group difference in self-reported levels of depressive symptoms at week 2 after randomization
Assessed with the Inventory of Depressive Symptomatology Self-Report (IDS-SR), a 30-item questionnaire assessing depressive symptomatology. Items are rated on a Likert scale from 0 to 3, with higher scores indicating more depressive symptoms. The range is 0-84.
Between-group difference in self-reported levels of depressive symptoms at week 4 after randomization
Assessed with the Inventory of Depressive Symptomatology Self-Report (IDS-SR), a 30-item questionnaire assessing depressive symptomatology. Items are rated on a Likert scale from 0 to 3, with higher scores indicating more depressive symptoms. The range is 0-84.
Between-group difference in self-reported levels of depressive symptoms at week 8 after randomization
Assessed with the Inventory of Depressive Symptomatology Self-Report (IDS-SR), a 30-item questionnaire assessing depressive symptomatology. Items are rated on a Likert scale from 0 to 3, with higher scores indicating more depressive symptoms. The range is 0-84.
Between-group difference in self-reported levels of depressive symptoms at week 24 after randomization
Assessed with the Inventory of Depressive Symptomatology Self-Report (IDS-SR), a 30-item questionnaire assessing depressive symptomatology. Items are rated on a Likert scale from 0 to 3, with higher scores indicating more depressive symptoms. The range is 0-84.
Between-group difference in self-reported levels of depressive symptoms at week 52 after randomization
Assessed with the Inventory of Depressive Symptomatology Self-Report (IDS-SR), a 30-item questionnaire assessing depressive symptomatology. Items are rated on a Likert scale from 0 to 3, with higher scores indicating more depressive symptoms. The range is 0-84.
Subjective sleepiness during sleep deprivation
Assessed with the Karolinska Sleepiness Scale (KSS), a 9-item Likert scale, scored from 1 (=extremely alert) to 9 (=extremely sleepy-fighting sleep). The assessment will take place every second hour during the sleep deprivation for the intervention group.
Expectations to the interventions at baseline
Assessed with the Stanford Expectations of Treatment Scale (SETS), a 6-item questionnaire that assesses participants' positive and negative expectations to the interventions on a Likert scale from 1 (strongly disagree) to 7 (strongly agree)