Reliability and validity of the Depression and Somatic Symptoms Scale among patients with chronic low back pain

Chun-Hao Liu,1,2,* Tsai-Sheng Fu,2,3,* Chin-Pang Lee,1,2 Ching-I Hung1,2 1Department of Psychiatry, Chang Gung Memorial Hospital, Linkou, Taiwan; 2Chang Gung University, Taoyuan, Taiwan; 3Department of Orthopedics, Chang Gung Memorial Hospital, Keelung, Taiwan *These authors contributed equally to...

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Autores principales:	Liu CH, Fu TS, Lee CP, Hung CI
Formato:	article
Lenguaje:	EN
Publicado:	Dove Medical Press 2019
Materias:	back pain cut-off point depression psychometrics somatization Neurosciences. Biological psychiatry. Neuropsychiatry RC321-571 Neurology. Diseases of the nervous system RC346-429
Acceso en línea:	https://doaj.org/article/94e16b57fc204dbd9626d0b4b5dbef21
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spelling	oai:doaj.org-article:94e16b57fc204dbd9626d0b4b5dbef212021-12-02T01:22:09ZReliability and validity of the Depression and Somatic Symptoms Scale among patients with chronic low back pain1178-2021https://doaj.org/article/94e16b57fc204dbd9626d0b4b5dbef212019-01-01T00:00:00Zhttps://www.dovepress.com/reliability-and-validity-of-the-depression-and-somatic-symptoms-scale--peer-reviewed-article-NDThttps://doaj.org/toc/1178-2021Chun-Hao Liu,1,2,* Tsai-Sheng Fu,2,3,* Chin-Pang Lee,1,2 Ching-I Hung1,2 1Department of Psychiatry, Chang Gung Memorial Hospital, Linkou, Taiwan; 2Chang Gung University, Taoyuan, Taiwan; 3Department of Orthopedics, Chang Gung Memorial Hospital, Keelung, Taiwan *These authors contributed equally to this work Background: The Depression and Somatic Symptoms Scale (DSSS), which is a free scale that includes a depression subscale (DS) and a somatic subscale (SS), was developed to evaluate depression and somatic symptoms simultaneously. This study aimed to examine the reliability and validity of the DSSS among patients with chronic low back pain (CLBP). Methods: Two-hundred and twenty-five patients with CLBP were enrolled. Psychiatric diagnoses were made based on the Structured Clinical Interview for Diagnostic and Statistical Manual of Mental Disorders-IV-Text Revision. The DSSS, Oswestry Disability Index, Hospital Anxiety and Depression Scale (HADS), and Short Form 36 (SF-36) were administered. Cronbach’s alpha was used to test internal consistency. Receiver operating characteristic (ROC) analysis was used to identify cutoff scores for a major depressive episode (MDE). Results: Subjects with an MDE (N=21) had greater severities of depression, anxiety, somatic symptoms, and disability as compared with those without an MDE. The Cronbach’s alpha values of the DS and SS were 0.90 and 0.83, respectively. The DS and SS were significantly correlated with the Oswestry Disability Index, the HADS, and the SF-36 subscales. The DS had the greatest area under the receiver operating characteristic curve (0.96) as compared with the SS and the HADS subscales. The cutoff score for an MDE was a DS score ≥15 (sensitivity and specificity: 100% and 88.7%, respectively). Conclusion: The DSSS subscales were of acceptable reliability and validity. The DS can be used as a tool for evaluating the severity of depression and detecting an MDE in patients with CLBP. Keywords: back pain, cutoff point, depression, psychometrics, somatizationLiu CHFu TSLee CPHung CIDove Medical Pressarticleback paincut-off pointdepressionpsychometricssomatizationNeurosciences. Biological psychiatry. NeuropsychiatryRC321-571Neurology. Diseases of the nervous systemRC346-429ENNeuropsychiatric Disease and Treatment, Vol Volume 15, Pp 241-246 (2019)
institution	DOAJ
collection	DOAJ
language	EN
topic	back pain cut-off point depression psychometrics somatization Neurosciences. Biological psychiatry. Neuropsychiatry RC321-571 Neurology. Diseases of the nervous system RC346-429
spellingShingle	back pain cut-off point depression psychometrics somatization Neurosciences. Biological psychiatry. Neuropsychiatry RC321-571 Neurology. Diseases of the nervous system RC346-429 Liu CH Fu TS Lee CP Hung CI Reliability and validity of the Depression and Somatic Symptoms Scale among patients with chronic low back pain
description	Chun-Hao Liu,1,2,* Tsai-Sheng Fu,2,3,* Chin-Pang Lee,1,2 Ching-I Hung1,2 1Department of Psychiatry, Chang Gung Memorial Hospital, Linkou, Taiwan; 2Chang Gung University, Taoyuan, Taiwan; 3Department of Orthopedics, Chang Gung Memorial Hospital, Keelung, Taiwan *These authors contributed equally to this work Background: The Depression and Somatic Symptoms Scale (DSSS), which is a free scale that includes a depression subscale (DS) and a somatic subscale (SS), was developed to evaluate depression and somatic symptoms simultaneously. This study aimed to examine the reliability and validity of the DSSS among patients with chronic low back pain (CLBP). Methods: Two-hundred and twenty-five patients with CLBP were enrolled. Psychiatric diagnoses were made based on the Structured Clinical Interview for Diagnostic and Statistical Manual of Mental Disorders-IV-Text Revision. The DSSS, Oswestry Disability Index, Hospital Anxiety and Depression Scale (HADS), and Short Form 36 (SF-36) were administered. Cronbach’s alpha was used to test internal consistency. Receiver operating characteristic (ROC) analysis was used to identify cutoff scores for a major depressive episode (MDE). Results: Subjects with an MDE (N=21) had greater severities of depression, anxiety, somatic symptoms, and disability as compared with those without an MDE. The Cronbach’s alpha values of the DS and SS were 0.90 and 0.83, respectively. The DS and SS were significantly correlated with the Oswestry Disability Index, the HADS, and the SF-36 subscales. The DS had the greatest area under the receiver operating characteristic curve (0.96) as compared with the SS and the HADS subscales. The cutoff score for an MDE was a DS score ≥15 (sensitivity and specificity: 100% and 88.7%, respectively). Conclusion: The DSSS subscales were of acceptable reliability and validity. The DS can be used as a tool for evaluating the severity of depression and detecting an MDE in patients with CLBP. Keywords: back pain, cutoff point, depression, psychometrics, somatization
format	article
author	Liu CH Fu TS Lee CP Hung CI
author_facet	Liu CH Fu TS Lee CP Hung CI
author_sort	Liu CH
title	Reliability and validity of the Depression and Somatic Symptoms Scale among patients with chronic low back pain
title_short	Reliability and validity of the Depression and Somatic Symptoms Scale among patients with chronic low back pain
title_full	Reliability and validity of the Depression and Somatic Symptoms Scale among patients with chronic low back pain
title_fullStr	Reliability and validity of the Depression and Somatic Symptoms Scale among patients with chronic low back pain
title_full_unstemmed	Reliability and validity of the Depression and Somatic Symptoms Scale among patients with chronic low back pain
title_sort	reliability and validity of the depression and somatic symptoms scale among patients with chronic low back pain
publisher	Dove Medical Press
publishDate	2019
url	https://doaj.org/article/94e16b57fc204dbd9626d0b4b5dbef21
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Reliability and validity of the Depression and Somatic Symptoms Scale among patients with chronic low back pain

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