Clinical validation of the self-reported 6-item Hamilton Depression Rating Scale (HAM-D6-SR) among inpatients

Pernille Kølbæk*, Cathrine Wildenschild Nielsen, Chanette Winther Buus, Signe Riemer Friis, Ellinor Nilsson, Botilla Dalsgaard Jensen, Andreas Videbæk Bueno, Søren Dinesen Østergaard

*Corresponding author for this work

Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

Abstract

Background: Brief and valid patient-rated symptom scales represent a valuable addition to clinician-rated scales for assessing depression. Studies on the psychometric properties of the self-rated 6-item Hamilton Depression Rating Scale (HAM-D6-SR) have shown promising results for outpatients with depression. The aim of the present study was to evaluate the psychometric properties of the HAM-D6-SR among inpatients using the clinician-rated 17-item Hamilton Rating Scale for Depression (HAM[sbnd]D17) as the gold standard. Methods: Inpatients with unipolar or bipolar depression completed the HAM-D6-SR and were subsequently rated on the HAM-D17 by trained raters, who were blind to the HAM-D6-SR ratings. The pairs of HAM-D6-SR and HAM-D17 ratings were completed twice during admission to evaluate responsiveness over time. Agreement between the HAM-D6-SR and the clinician-rated HAM-D17–derived HAM-D6 was evaluated using the intraclass correlation coefficient (ICC). Responsiveness was evaluated by means of the Spearman's rank correlation coefficient (rho). Results: A total of 102 participants completed the HAM-D6-SR at least once (median age: 41 years; 66 % females). The ICC for the HAM-D6-SR and the HAM-D17–derived HAM-D6 was 0.60 (95%CI = 0.30–0.76), with the ICC at the item level ranging from 0.13 (Psychomotor retardation) to 0.75 (Depressed mood). The correlation between the changes in the baseline–endpoint total scores on the HAM-D6-SR and HAM-D17-derived HAM-D6 was rho = 0.59 (p < 0.001). Limitations: Test-retest reliability and structural validity were not evaluated. Conclusions: The HAM-D6-SR holds promise as a valid self-report of core depressive symptoms among inpatients and may aid treatment decisions. However, the validity of self-reported psychomotor retardation was poor.

Original languageEnglish
JournalJournal of Affective Disorders
Volume354
Pages (from-to)765-772
Number of pages8
ISSN0165-0327
DOIs
Publication statusPublished - Jun 2024

Keywords

  • Depression
  • Psychiatric status rating scales
  • Psychopathology
  • Quality of life
  • Self-report
  • Depression/diagnosis
  • Reproducibility of Results
  • Humans
  • Self Report
  • Male
  • Psychometrics
  • Inpatients
  • Psychiatric Status Rating Scales
  • Adult
  • Female

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