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CTRI Number  CTRI/2025/09/094664 [Registered on: 12/09/2025] Trial Registered Prospectively
Last Modified On: 12/09/2025
Post Graduate Thesis  Yes 
Type of Trial  Observational 
Type of Study   Cross Sectional Study 
Study Design  Other 
Public Title of Study   Sleep Disability Questionnaire in Individuals with Chronic Low Back Pain: Development, Validation and Reliability 
Scientific Title of Study   Development, Validation and Reliability Testing of Sleep Disability Questionnaire in Individuals with Chronic Low Back Pain 
Trial Acronym  nil 
Secondary IDs if Any  
Secondary ID  Identifier 
NIL  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  Mousumi Saha 
Designation  PhD Scholar 
Affiliation  MMIPR 
Address  Maharishi Markandeshwar Institute of Physiotherapy and Rehabilitation Maharishi Markandeshwar Deemed to be University Mullana
Maharishi Markandeshwar Institute of Physiotherapy and Rehabilitation Maharishi Markandeshwar Deemed to be University Mullana
Ambala
HARYANA
133207
India 
Phone  9366787310  
Fax    
Email  msaha0029@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr Manu Goyal 
Designation  Professor 
Affiliation  Maharishi Markandeshwar Institute of Physiotherapy and Rehabilitation 
Address  Maharishi Markandeshwar Institute of Physiotherapy and Rehabilitation Maharishi Markandeshwar Deemed to be University Mullana

Ambala
HARYANA
133207
India 
Phone  8307715320  
Fax    
Email  manu.goyal@mmumullana.org  
 
Details of Contact Person
Public Query
 
Name  Mousumi Saha 
Designation  PhD Schollar 
Affiliation  Maharishi Markandeshwar Institute of Physiotherapy and Rehabilitation 
Address  Maharishi Markandeshwar Institute of Physiotherapy and Rehabilitation Maharishi Markandeshwar Deemed to be University Mullana

Ambala
HARYANA
133207
India 
Phone  9366787310  
Fax    
Email  msaha0029@gmail.com  
 
Source of Monetary or Material Support  
Maharishi Markandeshwar Institute of Physiotherapy and Rehabilitation. Mullana, Ambala, Haryana, 133207 
 
Primary Sponsor  
Name  Maharishi Markandeshwar Institute of Physiotherapy and Rehabilitation 
Address  Maharishi Markandeshwar Institute of Physiotherapy and Rehabilitation. Mullana, Ambala, Haryana, 133207 
Type of Sponsor  Research institution and hospital 
 
Details of Secondary Sponsor  
Name  Address 
NIL  NIL 
 
Countries of Recruitment     India  
Sites of Study  
No of Sites = 1  
Name of Principal Investigator  Name of Site  Site Address  Phone/Fax/Email 
Mousumi Saha  Maharishi Markandeshwar Institute of Physiotherapy and Rehabilitation  Room no 5 Physiotherapy Department Maharishi Markandeshwar Deemed to be University Mullana
Ambala
HARYANA 
9366787310

msaha0029@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
IEC MMIMSR  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: M999||Biomechanical lesion, unspecified,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Intervention  Nil  Nil 
 
Inclusion Criteria  
Age From  20.00 Year(s)
Age To  50.00 Year(s)
Gender  Both 
Details  1. Individuals with chronic mechanical low back pain.
2. BMI as per Asian classification
3. Individuals reported to have fair to severe sleep disturbances on numeric sleep disturbance scale after developing back pain.
4. Both Male and female.
5. Age between 20-50 years
6. Pain more than 5 on VAS
 
 
ExclusionCriteria 
Details  1. Acute low back pain (less than 3 months)
2. History of spinal surgery in last 6 month.
3. History of taking treatment for insomnia in last 6 months.
4. suffering from other comorbid illness.
5. Suffering from metabolic disorders.
6. Suffering from psychosomatic ill ness.
7. History of sleep apnea related problem.
8. History of Restless leg syndrome.
9. History of peripheral vascular disease.
 
 
Method of Generating Random Sequence   Not Applicable 
Method of Concealment   Not Applicable 
Blinding/Masking   Not Applicable 
Primary Outcome  
Outcome  TimePoints 
Sleep Disability Questionnaire  baseline and after 48 hours 
 
Secondary Outcome  
Outcome  TimePoints 
nil  nil 
 
Target Sample Size   Total Sample Size="51"
Sample Size from India="51" 
Final Enrollment numbers achieved (Total)= "Applicable only for Completed/Terminated trials"
Final Enrollment numbers achieved (India)="Applicable only for Completed/Terminated trials" 
Phase of Trial   N/A 
Date of First Enrollment (India)   13/10/2025 
Date of Study Completion (India) Applicable only for Completed/Terminated trials 
Date of First Enrollment (Global)  Date Missing 
Date of Study Completion (Global) Applicable only for Completed/Terminated trials 
Estimated Duration of Trial   Years="1"
Months="0"
Days="0" 
Recruitment Status of Trial (Global)   Not Yet Recruiting 
Recruitment Status of Trial (India)  Not Yet Recruiting 
Publication Details   N/A 
Individual Participant Data (IPD) Sharing Statement

Will individual participant data (IPD) be shared publicly (including data dictionaries)?  

Response - NO
Brief Summary  

Background Chronic low back pain (CLBP) is one of the most common musculoskeletal illnesses, affecting up to 80% of people at some point in their lives and making them unable to work. About 70% of people with CLBP say they have trouble sleeping, which is a big deal. Chronic pain and sleep problems are linked in complicated ways, but the instruments we use to assess them don’t always take into consideration the unique problems that people with CLBP encounter.

Methods The investigation will happen in two separate stages:

Phase 1 In this first step, we will create and test the Sleep Disability Questionnaire (SDQ). This method will include finding the right domains and things by talking to experts, interviewing patients, and doing extensive evaluations of the literature. We will use the Delphi approach to make sure the material is valid, and then we will do pilot testing to see how useful and effective the questionnaire is. We will use exploratory factor analysis to look at construct validity.

Phase  2 The second step will be all about checking the SDQ’s reliability and other psychometric qualities, such as internal consistency and reliability between and within raters. We will choose 51 CLBP patients who have serious sleep problems based on criteria we have already set.

Results The study will use kappa statistics and indices like the Item-Level Content Validity Index (I-CVI) and the Scale-Level Content Validity Index (S-CVI) to check the content validity. We will also use normalcy tests like the Kolmogorov-Smirnov and Shapiro-Wilk tests. We will use regression analysis, Cronbach’s alpha, Pearson or Spearman correlations, Bland-Altman plots, and the intraclass correlation coefficient (ICC) to check for reliability.

 Conclusion the goal of our project is to make a new, dependable Sleep Disability Questionnaire that is specifically designed for people with CLBP and test it fully. We think that the SDQ will give researchers and doctors a better way to look at and treat sleep problems in this group of people. This will lead to better patient outcomes and a better quality of life over time.

 
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