Psychometric Properties of the Persian Version of the Evaluation of Ankylosing Spondylitis Quality of Life (EASi‐QoL) and Ankylosing Spondylitis Disease Activity Score (ASDAS) Questionnaires: A Cross‐Sectional Study
ABSTRACT Background and Aims Ankylosing spondylitis (AS) is a chronic inflammatory disease that affects quality of life (QoL) due to its impact on physical and emotional well‐being. Accurate and reliable tools are needed to assess disease activity and QoL in different cultural contexts. This study a...
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Wiley
2025-02-01
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| Series: | Health Science Reports |
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| Online Access: | https://doi.org/10.1002/hsr2.70417 |
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| author | Maryam Hosseini Amirmasoud Kazemzadeh Houjaghan Ghazal Behzad Sahar Ghorbanpour Seyede Zahra Emami Razavi Mohaddeseh Azadvari Shafieh Movaseghi Negar Salaminour |
| author_facet | Maryam Hosseini Amirmasoud Kazemzadeh Houjaghan Ghazal Behzad Sahar Ghorbanpour Seyede Zahra Emami Razavi Mohaddeseh Azadvari Shafieh Movaseghi Negar Salaminour |
| author_sort | Maryam Hosseini |
| collection | DOAJ |
| description | ABSTRACT Background and Aims Ankylosing spondylitis (AS) is a chronic inflammatory disease that affects quality of life (QoL) due to its impact on physical and emotional well‐being. Accurate and reliable tools are needed to assess disease activity and QoL in different cultural contexts. This study aimed to evaluate the psychometric properties of the Persian versions of the Evaluation of Ankylosing Spondylitis Quality of Life (EASi‐QoL) and Ankylosing Spondylitis Disease Activity Score (ASDAS) scales in Iranian AS patients. Methods A cross‐sectional study was conducted on 70 AS patients referred to a tertiary hospital in Tehran. Patients completed the EASi‐QoL, and 39 also completed the ASDAS questionnaire. The translation followed the forward–backward method. Reliability was assessed using Cronbach's α for internal consistency and intraclass correlation coefficient (ICC) for test–retest reliability. Content validity was evaluated using the content validity ratio (CVR) and Content Validity Index (CVI). Test–retest reliability was examined using Spearman's rank correlation for non‐normally distributed data. Results The ICC values for EASi‐QoL ranged from 0.71 to 0.82, while Spearman's correlation coefficients ranged from 0.63 to 0.80. For ASDAS, all items except Question 1 had ICC and Spearman's correlation coefficients above 0.8, indicating high test–retest reliability. The average CVR for EASi‐QoL was 0.56, and for ASDAS it was 0.68. The CVI for relevance, clarity, and simplicity ranged from 0.86 to 0.96 for both scales, confirming good content validity. Conclusion The Persian versions of the EASi‐QoL and ASDAS scales demonstrate adequate reliability and validity. These tools are suitable for assessing QoL and disease activity in Iranian AS patients, providing culturally relevant measurements for clinical and research settings. |
| format | Article |
| id | doaj-art-bb650b4b00be4c2c9b13379416dc7cdb |
| institution | OA Journals |
| issn | 2398-8835 |
| language | English |
| publishDate | 2025-02-01 |
| publisher | Wiley |
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| series | Health Science Reports |
| spelling | doaj-art-bb650b4b00be4c2c9b13379416dc7cdb2025-08-20T02:11:08ZengWileyHealth Science Reports2398-88352025-02-0182n/an/a10.1002/hsr2.70417Psychometric Properties of the Persian Version of the Evaluation of Ankylosing Spondylitis Quality of Life (EASi‐QoL) and Ankylosing Spondylitis Disease Activity Score (ASDAS) Questionnaires: A Cross‐Sectional StudyMaryam Hosseini0Amirmasoud Kazemzadeh Houjaghan1Ghazal Behzad2Sahar Ghorbanpour3Seyede Zahra Emami Razavi4Mohaddeseh Azadvari5Shafieh Movaseghi6Negar Salaminour7Department of Physical Medicine and Rehabilitation Imam Khomeini Hospital Complex, Tehran University of Medical Sciences Tehran IranDepartment of Internal Medicine Imam Khomeini Hospital Complex, Tehran University of Medical Sciences Tehran IranSchool of Medicine Tehran University of Medical Sciences Tehran IranDepartment of Physical Medicine and Rehabilitation Imam Khomeini Hospital Complex, Tehran University of Medical Sciences Tehran IranDepartment of Physical Medicine and Rehabilitation Brain and Spinal Cord Injury Research Center, Neuroscience Institute, Imam Khomeini Hospital Complex, Tehran University of Medical Sciences Tehran IranDepartment of Physical Medicine and Rehabilitation Urology Research Center, Sina and Imam Khomeini Hospital Complex, Tehran University of Medical Sciences Tehran IranDepartment of Rheumatology Imam Khomeini Hospital Complex, Tehran University of Medical Sciences Tehran IranSchool of Medicine Tehran University of Medical Sciences Tehran IranABSTRACT Background and Aims Ankylosing spondylitis (AS) is a chronic inflammatory disease that affects quality of life (QoL) due to its impact on physical and emotional well‐being. Accurate and reliable tools are needed to assess disease activity and QoL in different cultural contexts. This study aimed to evaluate the psychometric properties of the Persian versions of the Evaluation of Ankylosing Spondylitis Quality of Life (EASi‐QoL) and Ankylosing Spondylitis Disease Activity Score (ASDAS) scales in Iranian AS patients. Methods A cross‐sectional study was conducted on 70 AS patients referred to a tertiary hospital in Tehran. Patients completed the EASi‐QoL, and 39 also completed the ASDAS questionnaire. The translation followed the forward–backward method. Reliability was assessed using Cronbach's α for internal consistency and intraclass correlation coefficient (ICC) for test–retest reliability. Content validity was evaluated using the content validity ratio (CVR) and Content Validity Index (CVI). Test–retest reliability was examined using Spearman's rank correlation for non‐normally distributed data. Results The ICC values for EASi‐QoL ranged from 0.71 to 0.82, while Spearman's correlation coefficients ranged from 0.63 to 0.80. For ASDAS, all items except Question 1 had ICC and Spearman's correlation coefficients above 0.8, indicating high test–retest reliability. The average CVR for EASi‐QoL was 0.56, and for ASDAS it was 0.68. The CVI for relevance, clarity, and simplicity ranged from 0.86 to 0.96 for both scales, confirming good content validity. Conclusion The Persian versions of the EASi‐QoL and ASDAS scales demonstrate adequate reliability and validity. These tools are suitable for assessing QoL and disease activity in Iranian AS patients, providing culturally relevant measurements for clinical and research settings.https://doi.org/10.1002/hsr2.70417ankylosing spondylitisASDAS questionnaireEASi‐QoL questionnairereliabilityvalidity |
| spellingShingle | Maryam Hosseini Amirmasoud Kazemzadeh Houjaghan Ghazal Behzad Sahar Ghorbanpour Seyede Zahra Emami Razavi Mohaddeseh Azadvari Shafieh Movaseghi Negar Salaminour Psychometric Properties of the Persian Version of the Evaluation of Ankylosing Spondylitis Quality of Life (EASi‐QoL) and Ankylosing Spondylitis Disease Activity Score (ASDAS) Questionnaires: A Cross‐Sectional Study Health Science Reports ankylosing spondylitis ASDAS questionnaire EASi‐QoL questionnaire reliability validity |
| title | Psychometric Properties of the Persian Version of the Evaluation of Ankylosing Spondylitis Quality of Life (EASi‐QoL) and Ankylosing Spondylitis Disease Activity Score (ASDAS) Questionnaires: A Cross‐Sectional Study |
| title_full | Psychometric Properties of the Persian Version of the Evaluation of Ankylosing Spondylitis Quality of Life (EASi‐QoL) and Ankylosing Spondylitis Disease Activity Score (ASDAS) Questionnaires: A Cross‐Sectional Study |
| title_fullStr | Psychometric Properties of the Persian Version of the Evaluation of Ankylosing Spondylitis Quality of Life (EASi‐QoL) and Ankylosing Spondylitis Disease Activity Score (ASDAS) Questionnaires: A Cross‐Sectional Study |
| title_full_unstemmed | Psychometric Properties of the Persian Version of the Evaluation of Ankylosing Spondylitis Quality of Life (EASi‐QoL) and Ankylosing Spondylitis Disease Activity Score (ASDAS) Questionnaires: A Cross‐Sectional Study |
| title_short | Psychometric Properties of the Persian Version of the Evaluation of Ankylosing Spondylitis Quality of Life (EASi‐QoL) and Ankylosing Spondylitis Disease Activity Score (ASDAS) Questionnaires: A Cross‐Sectional Study |
| title_sort | psychometric properties of the persian version of the evaluation of ankylosing spondylitis quality of life easi qol and ankylosing spondylitis disease activity score asdas questionnaires a cross sectional study |
| topic | ankylosing spondylitis ASDAS questionnaire EASi‐QoL questionnaire reliability validity |
| url | https://doi.org/10.1002/hsr2.70417 |
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