Cross-Cultural Adaptation, Validity, and Reliability of the Wexner Questionnaire in Patients With Constipation

Cross-Cultural Adaptation, Validity, and Reliability of the Wexner Questionnaire

The investigators will conduct a validity and reliability study of the Wexner Constipation Questionnaire, used for constipation, in Turkish. For this purpose, investigators will administer the Wexner Questionnaire, translated from English to Turkish, and the accompanying Constipation Quality of Life Scale to 200 participants. Investigators will repeat the Wexner questionnaire for some participants after two weeks.

Study Overview

• Status: Active, not recruiting
• Conditions: Constipation - Functional
• Intervention / Treatment: Other: survey

Detailed Description

To assess the cultural adaptation, validity, and reliability of the eight-question Wexner Constipation Questionnaire, the questionnaire was first translated from English to Turkish, then back from Turkish to English, and finally back from English to Turkish. The questionnaire was finalized with the collaboration of an internal medicine specialist and a gastroenterologist to prepare the Turkish version. It will then be administered to a minimum of 200 participants, along with the Constipation Quality of Life Questionnaire, previously validated and reliable in Turkish and used for constipation. For reliability, the questionnaire will be repeated for a portion of the participants after two weeks.

• Study Type: Observational
• Enrollment (Actual): 202

Contacts and Locations

Study Locations

• Turkey (Türkiye)
  • Centre
    • Kırşehir, Centre, Turkey (Türkiye), 40000
      • Kirşehir Ahi Evran University Physical Therapy and Rehabilitation Hospital

Participation Criteria

Eligibility Criteria

• Ages Eligible for Study: Adult; Older Adult
• Accepts Healthy Volunteers: N/A

• Sampling Method: Probability Sample

Study Population

Men and women with chronic constipation

Description

Inclusion Criteria:

1. Being over 18 years of age
2. Being diagnosed with functional constipation according to Rome IV criteria
3. Having undergone an anorectal examination by a gastroenterologist
4. Having no history of neurodegenerative disease (e.g., multiple sclerosis, spinal cord injury, or stroke)
5. Having no history of metabolic disorders (e.g., diabetes, hypothyroidism, or hypercalcemia)
6. Having no history of opioid-induced constipation
7. Having no history of irritable bowel syndrome
8. Having no history of congenital anorectal abnormality
9. Having no history of colon cancer or pregnancy
10. Having the ability to read and write Turkish.

Exclusion Criteria:

1. Not wanting to continue the study.
2. Having any complaints, such as anorectal bleeding, during the test-retest interval.

Study Plan

How is the study designed?

What is the study measuring?

Primary Outcome Measures

Outcome Measure	Measure Description	Time Frame
Application of survey to participants	First administration of the Wexner questionnaire to all participants	approximately 1 month
Application of survey to participants	First administration of the quality of life questionnaire to all participants	approximately 1 month

Secondary Outcome Measures

Outcome Measure	Measure Description	Time Frame
Application of survey to participants	Wexner questionnaire were administered to the participants a second time two weeks later.	approximately 1 week
Application of survey to participants	Quality of life questionnaire were administered to the participants a second time two weeks later.	approximately 1 week

Collaborators and Investigators

• Sponsor: Ahi Evran University Education and Research Hospital

Study record dates

Study Major Dates

• Study Start (Actual): July 1, 2025
• Primary Completion (Actual): December 12, 2025
• Study Completion (Estimated): May 25, 2026

Study Registration Dates

• First Submitted: October 28, 2025
• First Submitted That Met QC Criteria: January 5, 2026
• First Posted (Actual): January 14, 2026

Study Record Updates

• Last Update Posted (Actual): January 14, 2026
• Last Update Submitted That Met QC Criteria: January 5, 2026
• Last Verified: January 1, 2026

More Information

Terms related to this study

• Additional Relevant MeSH Terms: Health Care Quality, Access, and Evaluation; Investigative Techniques; Epidemiologic Methods; Data Collection; Health Care Evaluation Mechanisms; Quality of Health Care; Public Health; Environment and Public Health; Surveys and Questionnaires
• Other Study ID Numbers: KAEU-EBAYRAMOGLUD-003