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Development and validation of the 25‐item Hikikomori Questionnaire (HQ‐25)
Ist Teil von
Psychiatry and clinical neurosciences, 2018-10, Vol.72 (10), p.780-788
Ort / Verlag
Melbourne: John Wiley & Sons Australia, Ltd
Erscheinungsjahr
2018
Link zum Volltext
Quelle
EBSCO Psychology and Behavioral Sciences Collection
Beschreibungen/Notizen
Aim
Hikikomori, a form of severe social withdrawal, is an emerging issue in mental health, for which validated measurement tools are lacking. The object was to develop a self‐report scale of hikikomori, and assess its psychometric properties and diagnostic accuracy.
Methods
A sample of 399 participants from clinical and community settings completed measures. Psychometric properties were assessed with factor analysis; diagnostic accuracy was compared against a semi‐structured diagnostic interview.
Results
The Hikikomori Questionnaire contained 25 items across three subscales representing socialization, isolation, and emotional support. Internal consistency, test–retest reliability, and convergent validity were all satisfactory. The area under the curve was 0.86 (95% confidence interval, 0.80–0.92). A cut‐off score of 42 (out of 100) was associated with a sensitivity of 94%, specificity of 61%, and positive predictive value of 17%.
Conclusion
The 25‐item Hikikomori Questionnaire (HQ‐25) possesses robust psychometric properties and diagnostic accuracy in an initial sample of Japanese adults. Additional research on its psychometric properties and ability to support clinical assessment of hikikomori is warranted.