Investigating ICD-11 adjustment disorder among college students in Taiwan using the Chinese version of the International Adjustment Disorder Questionnaire
Background: The 11th edition of the International Classification of Diseases has redefined adjustment disorder and the International Adjustment Disorder Questionnaire (IADQ) was developed to assess the symptoms and diagnostic criteria. The present study is the first to investigate ICD-11 adjustment...
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Taylor & Francis Group
2025-12-01
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| Series: | European Journal of Psychotraumatology |
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| Online Access: | https://www.tandfonline.com/doi/10.1080/20008066.2025.2528306 |
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| author | Hong Wang Fung Ming Yu Claudia Wong Grace Wing Ka Ho Mark Shevlin Anson Kai Chun Chau Stanley Kam Ki Lam Janet Yuen-Ha Wong Shan-yan Huang |
| author_facet | Hong Wang Fung Ming Yu Claudia Wong Grace Wing Ka Ho Mark Shevlin Anson Kai Chun Chau Stanley Kam Ki Lam Janet Yuen-Ha Wong Shan-yan Huang |
| author_sort | Hong Wang Fung |
| collection | DOAJ |
| description | Background: The 11th edition of the International Classification of Diseases has redefined adjustment disorder and the International Adjustment Disorder Questionnaire (IADQ) was developed to assess the symptoms and diagnostic criteria. The present study is the first to investigate ICD-11 adjustment disorder using the IADQ in the East Asian context.Methods: We administered standardized self-report measures, including the Chinese version of the IADQ, to a sample of 766 college students in Taiwan, of whom 265 (34.6%) endorsed at least one psychosocial stressor.Results: The two-factor structure of the IADQ reported in previous studies was replicated. The reliability of the two IADQ subscales were high (α = .935 to .948), and they were highly correlated with symptoms of depression, anxiety, and complex PTSD (rs = .69 to .79, p < .001), demonstrating concurrent validity. In this sample, 5.4% of participants met the diagnostic criteria for ICD-11 adjustment disorder. When participants with probable depression (PHQ-9 ≥ 15) were excluded as per the ICD-11 exclusion rules, 15 participants (1.96%) had probable ICD-11 adjustment disorder.Conclusions: The findings suggest that ICD-11 adjustment disorder can be reliably and validly assessed using the IADQ in the Chinese context. Future studies can use the IADQ to further research the disorder in diverse clinical and nonclinical settings. |
| format | Article |
| id | doaj-art-46ee38f6f4be49eda51e144b7628c319 |
| institution | OA Journals |
| issn | 2000-8066 |
| language | English |
| publishDate | 2025-12-01 |
| publisher | Taylor & Francis Group |
| record_format | Article |
| series | European Journal of Psychotraumatology |
| spelling | doaj-art-46ee38f6f4be49eda51e144b7628c3192025-08-20T02:37:14ZengTaylor & Francis GroupEuropean Journal of Psychotraumatology2000-80662025-12-0116110.1080/20008066.2025.2528306Investigating ICD-11 adjustment disorder among college students in Taiwan using the Chinese version of the International Adjustment Disorder QuestionnaireHong Wang Fung0Ming Yu Claudia Wong1Grace Wing Ka Ho2Mark Shevlin3Anson Kai Chun Chau4Stanley Kam Ki Lam5Janet Yuen-Ha Wong6Shan-yan Huang7School of Nursing, Hong Kong Polytechnic University, Hung Hom, Hong KongDepartment of Health and Physical Education, The Education University of Hong Kong, Tai Po, Hong KongSchool of Nursing, Hong Kong Polytechnic University, Hung Hom, Hong KongSchool of Psychology, Ulster University, Coleraine, Northern IrelandDepartment of Psychiatry, The University of Hong Kong, Pokfulam, Hong KongNethersole School of Nursing, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, Hong KongSchool of Nursing and Health Sciences, Hong Kong Metropolitan University, Hong KongDepartment of Marketing and Supply Chain Management, Overseas Chinese University, TaiwanBackground: The 11th edition of the International Classification of Diseases has redefined adjustment disorder and the International Adjustment Disorder Questionnaire (IADQ) was developed to assess the symptoms and diagnostic criteria. The present study is the first to investigate ICD-11 adjustment disorder using the IADQ in the East Asian context.Methods: We administered standardized self-report measures, including the Chinese version of the IADQ, to a sample of 766 college students in Taiwan, of whom 265 (34.6%) endorsed at least one psychosocial stressor.Results: The two-factor structure of the IADQ reported in previous studies was replicated. The reliability of the two IADQ subscales were high (α = .935 to .948), and they were highly correlated with symptoms of depression, anxiety, and complex PTSD (rs = .69 to .79, p < .001), demonstrating concurrent validity. In this sample, 5.4% of participants met the diagnostic criteria for ICD-11 adjustment disorder. When participants with probable depression (PHQ-9 ≥ 15) were excluded as per the ICD-11 exclusion rules, 15 participants (1.96%) had probable ICD-11 adjustment disorder.Conclusions: The findings suggest that ICD-11 adjustment disorder can be reliably and validly assessed using the IADQ in the Chinese context. Future studies can use the IADQ to further research the disorder in diverse clinical and nonclinical settings.https://www.tandfonline.com/doi/10.1080/20008066.2025.2528306ICD-11 adjustment disorderThe International Adjustment Disorder Questionnaire (IADQ)psychosocial carecross-cultural psychiatryvalidationTrastorno de adaptación según la CIE-11 |
| spellingShingle | Hong Wang Fung Ming Yu Claudia Wong Grace Wing Ka Ho Mark Shevlin Anson Kai Chun Chau Stanley Kam Ki Lam Janet Yuen-Ha Wong Shan-yan Huang Investigating ICD-11 adjustment disorder among college students in Taiwan using the Chinese version of the International Adjustment Disorder Questionnaire European Journal of Psychotraumatology ICD-11 adjustment disorder The International Adjustment Disorder Questionnaire (IADQ) psychosocial care cross-cultural psychiatry validation Trastorno de adaptación según la CIE-11 |
| title | Investigating ICD-11 adjustment disorder among college students in Taiwan using the Chinese version of the International Adjustment Disorder Questionnaire |
| title_full | Investigating ICD-11 adjustment disorder among college students in Taiwan using the Chinese version of the International Adjustment Disorder Questionnaire |
| title_fullStr | Investigating ICD-11 adjustment disorder among college students in Taiwan using the Chinese version of the International Adjustment Disorder Questionnaire |
| title_full_unstemmed | Investigating ICD-11 adjustment disorder among college students in Taiwan using the Chinese version of the International Adjustment Disorder Questionnaire |
| title_short | Investigating ICD-11 adjustment disorder among college students in Taiwan using the Chinese version of the International Adjustment Disorder Questionnaire |
| title_sort | investigating icd 11 adjustment disorder among college students in taiwan using the chinese version of the international adjustment disorder questionnaire |
| topic | ICD-11 adjustment disorder The International Adjustment Disorder Questionnaire (IADQ) psychosocial care cross-cultural psychiatry validation Trastorno de adaptación según la CIE-11 |
| url | https://www.tandfonline.com/doi/10.1080/20008066.2025.2528306 |
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