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Author

I. Okajima

1 paper indexed here

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Sep 2026

Development and validation of the Suicide-related Behaviors Questionnaire-4 items across multiple high-risk populations.

Suicidal ideation, suicide planning, non-suicidal self-injury (NSSI), and perceived controllability of suicidal thoughts represent distinct but related aspects of suicide-related experiences. However, brief instruments that assess these multiple aspects within a common timeframe are limited. Therefore, this study aimed...

I. Okajima, Hiromi Eto, Y. Nagaura et al. · 0 citations

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