Cognitive Behavioral Therapy for Insomnia Among Different Types of Shift Workers
NCT ID: NCT02523079
Last Updated: 2019-04-16
Study Results
The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.
Basic Information
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UNKNOWN
NA
83 participants
INTERVENTIONAL
2015-01-01
2020-06-30
Brief Summary
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Detailed Description
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Participants (n=90-120) are shift workers with insomnia disorder that has lasted at least three months. The participants are randomized to a) group-based CBT-I (6 group sessions); or b) mainly computerized self-help CBT-I (an individual session before and after the intervention) delivered by a trained OHS nurse or psychologist; or c) control group given a sleep hygiene intervention (1 individual session). Outcomes are assessed using a sleep diary, questionnaires, actigraphy and cognitive performance tests. To study the effect of CBT-I program at molecular level, blood samples of participants will be collected at baseline and at the end of the program for genetic analyses. The measurements are conducted at five time points for a period of two years.
The investigators expect to find that both group and self-help based CBT-I among different types of shift workers are effective low-intensity treatments of chronic insomnia compared to control intervention.
Through the training of OHS or general medical practitioners and by computerised self-help interventions the investigators may have better chance to make CBT-I more accessible to a larger number of insomniacs also with different types of working hours. Additionally, it may be possible to decrease chronic insomnia and unfavourably consequences of insomnia to the health and performance capacity in shift workers.
Conditions
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Study Design
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RANDOMIZED
PARALLEL
TREATMENT
NONE
Study Groups
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Cognitive Behavioral Group Therapy for Insomnia
Includes 6 group sessions (90 minutes each). The groups are led by trained psychologist or nurse of occupational health services. The manualized treatment is based on the general CBT-I model and includes components such as sleep hygiene, relaxation, stimulus control, sleep restriction and cognitive restructuring. In addition, participants receive information on how to schedule sleep, wake and light based on circadian principles while working differently timed shifts.
Cognitive Behavioral Group Therapy for Insomnia
Cognitive Behavioral Self-help Therapy for Insomnia
Mainly computerized self-help intervention. Includes an individual session before and after the intervention (30 minutes each) led by trained psychologist or nurse of occupational health services. The self-help treatment is based on the general CBT-I model and includes components such as sleep hygiene, relaxation, stimulus control, sleep restriction and cognitive restructuring. In addition, participants receive information on how to schedule sleep, wake and light based on circadian principles while working differently timed shifts.
Cognitive Behavioral Self-help Therapy for Insomnia
Sleep Hygiene Guidance
Includes one individual session (60 minutes) led by trained psychologist or nurse of occupational health services. The intervention is based on sleep hygiene guidance.
Sleep Hygiene Guidance
Interventions
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Cognitive Behavioral Group Therapy for Insomnia
Cognitive Behavioral Self-help Therapy for Insomnia
Sleep Hygiene Guidance
Other Intervention Names
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Eligibility Criteria
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Inclusion Criteria
* Difficulty initiating and/or maintaining sleep for ≥ 30 minutes and/or the use of sleep promoting medicine on three or more nights per week for at least 3 months
* Motivation to treat insomnia with non-pharmacological methods
* Full-time shift work (at least 10 % of shifts are morning, evening and/or night shifts)
* Fluent Finnish (due to interventions)
Exclusion Criteria
* Planned changes in the work (for example retirement)
20 Years
60 Years
ALL
No
Sponsors
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Finnish Work Environment Fund
OTHER
NordForsk
UNKNOWN
City of Helsinki
OTHER
City of Turku, Occupational Health Centre
UNKNOWN
Finnair Health Services
UNKNOWN
Aava Medical Centre
OTHER
Fazer Health Services
UNKNOWN
Finnish Institute of Occupational Health
OTHER
Responsible Party
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Locations
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City of Helsinki, Occupational Health Centre
Helsinki, Uusimaa, Finland
Aava Medical Centre
Helsinki, , Finland
Finnair Health Services
Helsinki, , Finland
City of Turku, Occupational Health Centre
Turku, , Finland
Fazer Health Services
Vantaa, , Finland
Countries
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References
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Jarnefelt H, Harma M, Sallinen M, Virkkala J, Paajanen T, Martimo KP, Hublin C. Cognitive behavioural therapy interventions for insomnia among shift workers: RCT in an occupational health setting. Int Arch Occup Environ Health. 2020 Jul;93(5):535-550. doi: 10.1007/s00420-019-01504-6. Epub 2019 Dec 18.
Other Identifiers
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114391
Identifier Type: OTHER_GRANT
Identifier Source: secondary_id
53/13/03/00/15
Identifier Type: REGISTRY
Identifier Source: secondary_id
74809
Identifier Type: OTHER_GRANT
Identifier Source: secondary_id
34627
Identifier Type: -
Identifier Source: org_study_id
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