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Int J Psychiatry Med. 2015;49(3):187-98. doi: 10.1177/0091217415573937. Epub 2015 Apr 30.

Depression: An important factor associated with disability among patients with chronic low back pain.

Author information

1
Department of Psychiatry, Chang Gung Memorial Hospital at Linko and Chang Gung University College of Medicine, Taoyuan, Taiwan.
2
Department of Orthopedics, Chang Gung Memorial Hospital at Keelung and Chang Gung University College of Medicine, Taoyuan, Taiwan fts111@adm.cgmh.org.tw.

Abstract

OBJECTIVE:

The study aimed to compare the associations of pain indices, depression, anxiety, and somatic symptoms with disability among outpatients with chronic low back pain (CLBP).

METHOD:

Consecutive orthopedics outpatients with CLBP in a medical center were enrolled. The Oswestry Disability Index and physical functioning and role limitations-physical of the Short-Form 36 were used as disability indices. The Hospital Anxiety and Depression Scale (HADS) and the Depression and Somatic Symptoms Scale were employed. Pain intensity was rated using a visual analogue scale. Multiple linear regressions were used to determine the impacts of these independent factors related to disability.

RESULTS:

Among 225 participants (122 male, 103 female) with CLBP, patients with major depressive disorder and associated leg symptoms of CLBP had higher disability indices. A tendency was noted that depression (HADS-depression) had the highest correlation to the three disability indices, followed by pain intensity, anxiety, and somatic symptoms. After controlling for demographic variables, HADS-depression explained the highest variance of disability, followed by pain intensity.

CONCLUSION:

Depression was the most powerful factor associated with disability of CLBP among depression, anxiety, and somatic symptoms. Depression should be evaluated when investigating disability among patients with CLBP.

KEYWORDS:

Anxiety; depression; disability; low back pain; somatization

PMID:
25930736
DOI:
10.1177/0091217415573937
[Indexed for MEDLINE]

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