Reliability and Validity of the PReFS (PReFS)

December 17, 2025 updated by: Baylor University

Reliability and Validity of the Pressure Relief Frequency Scale

This study is testing the psychometric properties of a new tool to determine recommendations for pressure relief frequency in wheelchair users.

Study Overview

Status

Recruiting

Conditions

Intervention / Treatment

Detailed Description

The goal of the proposed study is to establish the content validity and inter-rater reliability of a new tool, the Pressure Relief Frequency Scale (PReFS). Findings from this study will provide clinicians with a tool that can be used to develop an individualized approach to teaching patients how frequently to perform weight shifts. The part of the study will establish the inter-rater reliability of the PReFs through video recordings of individuals who are wheelchair users.

Study Type

Observational

Enrollment (Estimated)

15

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Contact

Study Contact Backup

Study Locations

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

  • Adult
  • Older Adult

Accepts Healthy Volunteers

No

Sampling Method

Non-Probability Sample

Study Population

Individuals with a diagnosed neurologic disorder who are primary wheelchair users.

Description

Inclusion Criteria:

  • primary wheelchair user
  • diagnosed with a neurologic disorder

Exclusion Criteria:

  • does not use a wheelchair for more than 50% of waking hours

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

Cohorts and Interventions

Group / Cohort
Intervention / Treatment
Wheelchair Users
Individuals with a neurologic disorder who are primary wheelchair users
Other: Interview
Participants will be interviewed for this study. No intervention will occur.

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Interview
Time Frame: Baseline
Each participant will take part in a 10-minute interview to answer questions on the PReFS
Baseline

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Baylor University

Investigators

  • Principal Investigator: Elizabeth Ardolino, PT, PhD, Baylor University

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Estimated)

December 1, 2025

Primary Completion (Estimated)

December 1, 2026

Study Completion (Estimated)

January 1, 2027

Study Registration Dates

First Submitted

December 1, 2025

First Submitted That Met QC Criteria

December 1, 2025

First Posted (Estimated)

December 12, 2025

Study Record Updates

Last Update Posted (Actual)

December 23, 2025

Last Update Submitted That Met QC Criteria

December 17, 2025

Last Verified

December 1, 2025

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

Other Study ID Numbers

  • 2339946

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

UNDECIDED

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

No

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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