Comparison of tailored versus standard group Cognitive Behavioral Therapy for Shift Worker Insomnia: A Randomized Controlled Trial.

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

DRKS

Registry ID

DRKS00032086

Enrollment

125

Registered

2023-08-16

Start date

2023-07-13

Completion date

Unknown

Last updated

2025-10-06

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

F51.0

Interventions

Group 1: Experimental condition: Cognitive behavioral therapy for insomnia developed for shift workers (CBT-I-S), 7 online group sessions of 90 minutes each Group 2: Standard condition: cognitive beha

Eligibility

Sex/Gender

All

Age

18 Years to 65 Years

Inclusion criteria

Inclusion criteria: Primary insomnia, shift work, at least working 30 hours per week

Exclusion criteria

Exclusion criteria: - Pre-existing physical conditions: sleep apnea syndrome, restless legs syndrome, chronic pain. - Previous mental conditions: severe affective or anxiety disorders, acute substance abuse disorders, psychotic or schizo-affective disorders

Design outcomes

Primary

Measure	Time frame
- Subjective sleep quality, sleep onset latency, total sleep time: PSQI (Pittsburgh Sleep Quality Index; Buysse et al., 1989; dt.: Riemann & Backhaus, 1996) - Daytime sleepiness: ESS (Epworth Sleepiness Scale; Johns, 1991) - Severity of the sleep disorder: ISI (Insomnia Severity Index; Morin, 1993) Measurement points: T1: Beginning of therapy T2: End of therapy T3: Follow-up: 3 months after completion of therapy	—

Measure

Time frame

- Subjective sleep quality, sleep onset latency, total sleep time: PSQI (Pittsburgh Sleep Quality Index; Buysse et al., 1989; dt.: Riemann & Backhaus, 1996) - Daytime sleepiness: ESS (Epworth Sleepiness Scale; Johns, 1991) - Severity of the sleep disorder: ISI (Insomnia Severity Index; Morin, 1993) Measurement points: T1: Beginning of therapy T2: End of therapy T3: Follow-up: 3 months after completion of therapy

—

Secondary

Measure	Time frame
- Depressive mood and anxiety: HADS-D (Hospital Anxiety and Depression Scale; Herrmann-Lingen et al., 2011) - Dysfunctional sleep attitudes: MZS ("Meinungen-zum-Schlaf-Fragebogen", based on: Dysfuncional Beliefs and Attitudes about Sleep, DBAS-16; Weingartz and Pillman, 2009) - Cognitive and physiological arousal: PSAS (Pre-Sleep Arousal Scale; Gieselmann, de Jong-Mayer, and Pietrowsky, 2012) Measurement points: T1: Beginning of therapy T2: End of therapy T3: Follow-up: 3 months after completion of therapy	—

Measure

Time frame

- Depressive mood and anxiety: HADS-D (Hospital Anxiety and Depression Scale; Herrmann-Lingen et al., 2011) - Dysfunctional sleep attitudes: MZS ("Meinungen-zum-Schlaf-Fragebogen", based on: Dysfuncional Beliefs and Attitudes about Sleep, DBAS-16; Weingartz and Pillman, 2009) - Cognitive and physiological arousal: PSAS (Pre-Sleep Arousal Scale; Gieselmann, de Jong-Mayer, and Pietrowsky, 2012) Measurement points: T1: Beginning of therapy T2: End of therapy T3: Follow-up: 3 months after completion of therapy

—

Countries

Austria, Germany

Contacts

Public ContactAnton-Rupert Laireiter

Universität Salzburg, Fachbereich Psychologie

anton.laireiter@plus.ac.at+43 664 432 3018

Outcome results

None listed

Source: DRKS (via WHO ICTRP) · Data processed: Feb 5, 2026