Validation of the Single-item Sleep Quality Scale

Recruiting now

Conditions studied: Spine Disorder

In brief

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.

Key facts

Study ID

NCT06612853

Run by

Schulthess Klinik

People needed

240

Starts

2024-10-01

Expected to finish

2025-12-31

Last updated by the study team

2024-11-29

Who can join

Age: 14 and older. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• both male and female patients
• German-speaking or Italian-speaking
• diagnosis of spine pathology
• age ≥ 14 years
• cognitively intact (self-reported)

You may not qualify if…

• 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

Where it is running

• Schulthess Klinik — Zurich, Canton of Zurich, Switzerland (enrolling)

Full record on ClinicalTrials.gov

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