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International Archives of Occupational and Environmental Health

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Open Access 01-05-2018 | Original Article

A randomized controlled intervention of workplace-based group cognitive behavioral therapy for insomnia

Authors: Helena Schiller, Marie Söderström, Mats Lekander, Kristiina Rajaleid, Göran Kecklund

Published in: International Archives of Occupational and Environmental Health | Issue 4/2018

Abstract

Purpose

Sleep disturbance is common in the working population, often associated with work stress, health complaints and impaired work performance. This study evaluated a group intervention at work, based on cognitive behavioral therapy (CBT) for insomnia, and the moderating effects of burnout scores at baseline.

Methods

This is a randomized controlled intervention with a waiting list control group. Participants were employees working at least 75% of full time, reporting self-perceived regular sleep problems. Data were collected at baseline, post-intervention and at a 3-month follow-up through diaries, wrist-actigraphy and questionnaires including the Insomnia Severity Index (ISI) and the Shirom–Melamed Burnout Questionnaire (SMBQ). Fifty-one participants (63% women) completed data collections.

Results

A multilevel mixed model showed no significant differences between groups for sleep over time, while there was a significant effect on insomnia symptoms when excluding participants working shifts (N = 11) from the analysis (p = 0.044). Moreover, a moderating effect of baseline-levels of burnout scores was observed on insomnia symptoms (p = 0.009). A post-hoc analysis showed that individuals in the intervention group with low burnout scores at baseline (SMBQ < 3.75) displayed significantly reduced ISI scores at follow-up, compared to individuals with high burnout scores at baseline (p = 0.005).

Conclusions

Group CBT for insomnia given at the workplace did not reduce sleep problems looking at the group as a whole, while it was indicated that the intervention reduced insomnia in employees with regular daytime work. The results also suggest that workplace-based group CBT may improve sleep in employees with primary insomnia if not concomitant with high burnout scores.

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Title: A randomized controlled intervention of workplace-based group cognitive behavioral therapy for insomnia
Authors: Helena Schiller
Marie Söderström
Mats Lekander
Kristiina Rajaleid
Göran Kecklund
Publication date: 01-05-2018
Publisher: Springer Berlin Heidelberg
Published in: International Archives of Occupational and Environmental Health / Issue 4/2018
Print ISSN: 0340-0131
Electronic ISSN: 1432-1246
DOI: https://doi.org/10.1007/s00420-018-1291-x

At a glance: The ONWARDS insulin icodec trials

Springer Medicine

A randomized controlled intervention of workplace-based group cognitive behavioral therapy for insomnia

Abstract

Purpose

Methods

Results

Conclusions

At a glance: The ONWARDS insulin icodec trials

Springer Medicine

Abstract

Purpose

Methods

Results

Conclusions

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