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Background <p>The Quick Inventory of Depressive Symptomatology (QIDS) is a useful, validated measure of depressive symptoms that covers the DSM-IV diagnostic criteria for major depressive disorder. The Japanese translation of the QIDS (QIDS-J) has been published, but its psychometric properties have not been validated in large samples.</p> Methods <p>This study aimed to examine the psychometric properties of the QIDS-J using secondary analysis data from a Japanese clinical study of internet-based cognitive-behavioral therapy that includes 1,187 participants (698 males, 489 females; mean age: 43.46 ± 9.85). First, a cross-sectional survey examined descriptive statistics, factor structure, measurement/structural invariance, internal consistency, construct validity, and age and gender differences in measurement scores. Subsequently, a short-term longitudinal and cross-sectional survey was conducted to evaluate test–retest reliability.</p> Results <p>Explanatory and confirmatory factor analyses revealed a one-factor structure that demonstrated good internal consistency and test–retest reliability, as well as partially verified concurrent and construct validity.</p> Conclusions <p>These findings indicate that the QIDS-J has robust psychometric properties and can assess depressive symptoms across nine DSM-IV criterion domains.</p> Trial registration <p>University Hospital Medical Information Network Clinical Trials Registry (UMINCTR) UMIN000019228 (Registration Date October 4, 2015) <a href="https://www.center6.umin.ac.jp/cgiopenbin/ctr_e/ctr_view.cgi?recptno=R000022220">https://www.center6.umin.ac.jp/cgiopenbin/ctr_e/ctr_view.cgi?recptno=R000022220</a>.</p>

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Assessing depression among the Japanese population: psychometric properties of the Japanese version of Quick Inventory of Depressive Symptomatology-self-reported version

  • 期刊论文

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  • 发表日期：

    2026年6月16日

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  • Masami Kashimura,
  • Mirai So,
  • Yoichi Sekizawa

摘要

Background

The Quick Inventory of Depressive Symptomatology (QIDS) is a useful, validated measure of depressive symptoms that covers the DSM-IV diagnostic criteria for major depressive disorder. The Japanese translation of the QIDS (QIDS-J) has been published, but its psychometric properties have not been validated in large samples.

Methods

This study aimed to examine the psychometric properties of the QIDS-J using secondary analysis data from a Japanese clinical study of internet-based cognitive-behavioral therapy that includes 1,187 participants (698 males, 489 females; mean age: 43.46 ± 9.85). First, a cross-sectional survey examined descriptive statistics, factor structure, measurement/structural invariance, internal consistency, construct validity, and age and gender differences in measurement scores. Subsequently, a short-term longitudinal and cross-sectional survey was conducted to evaluate test–retest reliability.

Results

Explanatory and confirmatory factor analyses revealed a one-factor structure that demonstrated good internal consistency and test–retest reliability, as well as partially verified concurrent and construct validity.

Conclusions

These findings indicate that the QIDS-J has robust psychometric properties and can assess depressive symptoms across nine DSM-IV criterion domains.

Trial registration

University Hospital Medical Information Network Clinical Trials Registry (UMINCTR) UMIN000019228 (Registration Date October 4, 2015) https://www.center6.umin.ac.jp/cgiopenbin/ctr_e/ctr_view.cgi?recptno=R000022220.