Thai Version of Functional Rating Index

Study Overview
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Brief Summary
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The purposes of this study were to conduct cross-cultural adaptation of the Functional Rating Index (FRI), to test psychometric properties of the translated questionnaire and to examine head-to-head comparisons with other questionnaires.

Detailed Description
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This study comprised 2 major stages: 1) Cross-cultural adaptation and 2) psychometric properties testing. Cross-cultural adaptation stage: The FRI was cross-culturally adapted to Thai following the well-accepted guideline for the process of cross-cultural adaptation of self-report measure. Psychometric properties testing stage: The patients with back or neck pain completed the questionnaires at the first visit, the second visit and at 2-week (or at discharge or when reporting 80% improvement from the first visit).

Official Title
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Thai Version of the Functional Rating Index for Patients With Back and Neck Pain: Cross-cultural Adaptation and Psychometric Properties Testing

Conditions
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Questionnaire

Intervention / Treatment
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* Other: questionnaire


Participation Criteria
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Eligibility Criteria
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Inclusion Criteria The participants were eligible if they were: aged 18 years or older seeking physical therapy treatment for a complaint of back and/or neck pain able to understand, read, speak and write Thai Exclusion Criteria: The participants who were not willing to take part in the study, unable to understand, read, speak and write Thai were excluded from this study.

Ages Eligible for Study
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Minimum Age: 18 Years
Maximum Age: 85 Years

Sexes Eligible for Study
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All

Accepts Healthy Volunteers
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No

Study Plan
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How is the study designed?
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Arms and Interventions

| Intervention/Treatment |
| --- |
|Other: questionnaire|Cross-cultural adaptation stage: The FRI was cross-culturally adapted to Thai (called the Thai FRI) and the pre-final version of the Thai FRI was administered to patients. Psychometric properties testing stage: The questionnaires were administered 3 times: the first visit, the second visit and at 2 weeks. At the first visit: the patients with back pain completed the Thai FRI , Thai Roland-Morris Disability (Thai RM), Thai modified Oswestry Low Back Pain Disability (Thai modified ODQ), Thai multi-level Roland-Morris Disability (Thai multi-level RM). The patients with neck pain completed the Thai FRI and Thai Neck Disability Index. At the second visit: all patients completed the Thai FRI and Global Perceived Effect Scale (GPES). At 2 weeks: the patients completed the same questionnaires as the first visit. All patients and their treating physical therapists completed the GPES.|

What is the study measuring?
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Primary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| questionnaire scores at the first visit | Back pain group: questionnaire scores from the Thai FRI, Thai RM, Thai modified ODQ, Thai multi-level RM; Neck pain group: questionnaire scores from the Thai FRI and Thai Neck Disability Index | 20-25 minutes each time | 

Secondary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| questionnaire scores at the second visit | questionnaire scores from the Thai FRI | 5 minutes each time | 
| Global Perceived Effect Scale (GPES) at the second visit | 7-point GPES | 3 minutes each time | 
| questionnaire scores at 2 weeks | Back pain group: questionnaire scores from the Thai FRI, Thai RM, Thai modified ODQ, Thai multi-level RM; Neck pain group: Thai FRI, Thai Neck Disability Index | 20-25 minutes each time | 
| Global Perceived Effect Scale (GPES) at 2 weeks | 7-point GPES | 3 minutes each time | 

 Terms related to the study
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Keywords Provided by Centre Hospitalier Valida
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Questionnaire, Functional Rating Index, Cross-cultural adaptation, Psychometric properties testing