Development and validation of the 25-item Hikikomori Questionnaire (HQ-25).

ABSTRACT:

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% co

SUBMITTER: Teo AR 

PROVIDER: S-EPMC6221010 | biostudies-literature | 2018 Oct

REPOSITORIES: biostudies-literature