Single-item Sleep Quality Scale for Spine Disorders
Validation of the Single-item Sleep Quality Scale
Recruiting
Observational Study
Spine Disorder
No Placebo Group
Every participant receives an active treatment — no one gets a placebo.
No Study Drug
Researchers observe your health over time — no experimental treatment is given.
Ready to participate?
Review the details below, then apply to join this clinical trial.
At a Glance
Age
14 and older
Sex
Any
Study type
Observational
Participants needed
240 (estimated)
Sponsor
Schulthess Klinik · Other
Who this trial is looking for
This trial is looking for patients with spine problems who speak German or Italian. Participants will help test a new way to measure sleep quality using a simple questionnaire.
Are You a Good Fit for This Trial?
You may be able to join if
I am at least 14 years old
I speak German or Italian
I have been diagnosed with a spine disorder
I am mentally capable of giving answers about my sleep
You may not be able to join if
I am pregnant
I take medication for sleep problems
I take melatonin
I use a smartwatch or app to track my sleep automatically
I cannot give informed consent
Summarized in plain language from this trial's official eligibility criteria.
The full criteria are further down this page — only the research team can
confirm whether you qualify.
Think this trial could be right for you?
Answer a few quick questions to see if you may meet the eligibility requirements.
The single-item sleep quality scale (SQS) allows patients to provide a self-assessment of sleep quality over a 7-day recall period without significant additional burden. However, the SQS has not yet been utilized or validated in patients with spine pathologies. The main purpose of this study is to cross-culturally adapt the SQS from English to German and Italian and to test its validity in patient…
The single-item sleep quality scale (SQS) allows patients to provide a self-assessment of sleep quality over a 7-day recall period without significant additional burden. However, the SQS has not yet been utilized or validated in patients with spine pathologies. The main purpose of this study is to cross-culturally adapt the SQS from English to German and Italian and to test its validity in patients with back disorders. The study will be conducted in two stages. The first stage will involve the translation and cross-cultural adaptation of the SQS from English to German and Italian. The second stage will involve the evaluation of the instrument's face, content, and construct validity, reproducibility, and responsiveness in patients with back disorders.
Trial Locations
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Eligibility Criteria
Inclusion Criteria:
* both male and female patients
* German-speaking or Italian-speaking
* diagnosis of spine pathology
* age ≥ 14 years
* cognitively intact (self-reported)
Exclusion Criteria:
* pregnancy (self-reported)
* medical and/or pharmacological treatment for sleep disorders
* melatonin…
Inclusion Criteria:
* both male and female patients
* German-speaking or Italian-speaking
* diagnosis of spine pathology
* age ≥ 14 years
* cognitively intact (self-reported)
Exclusion Criteria:
* pregnancy (self-reported)
* medical and/or pharmacological treatment for sleep disorders
* melatonin intake
* daily use of smart-watch or applications for automatic sleep detection
* inability to give informed consent
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