Dataset Information

Somatic Symptoms of Depression and Anxiety in People with Multiple Sclerosis.

ABSTRACT: Background:People with multiple sclerosis (MS) are at increased risk for depression and anxiety. The symptoms of MS are often similar to the somatic or physical symptoms of depression and anxiety (fatigue, trouble concentrating). This study examined whether MS symptoms and effects biased the assessment of somatic symptoms of anxiety and depression. Methods:People with MS (n = 513) completed a survey about MS symptoms, treatments, and distress. The Patient Health Questionnaire-9 assessed depression, and the patient-report version of the Primary Care Evaluation of Mental Disorders assessed anxiety. Participants were grouped into low versus high MS symptoms based on self-reported symptoms and as high versus low disability by the Expanded Disability Status Scale (EDSS). Groups were compared using differential item functioning analysis. Results:No bias was found on somatic symptoms of depression comparing high versus low MS symptom groups (P > .15) or comparing groups based on EDSS scores (P > .29). Two anxiety symptoms (fatigue and muscle tension) showed bias comparing high versus low MS symptom groups (P < .01) and comparing high versus low groups based on EDSS scores (P ? .01). Intraclass correlations suggested a small effect due to bias in the somatic symptoms of anxiety. Conclusions:Somatic symptoms of depression are unlikely to be biased by MS symptoms. However, the use of certain somatic symptoms to assess anxiety may be biased for those with high MS symptoms.

SUBMITTER: Jones SMW

PROVIDER: S-EPMC5991508 | biostudies-literature | 2018 May-Jun

REPOSITORIES: biostudies-literature

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Publications

Somatic Symptoms of Depression and Anxiety in People with Multiple Sclerosis.

Jones Salene M W SMW Salem Rana R Amtmann Dagmar D

International journal of MS care 20180501 3

<h4>Background</h4>People with multiple sclerosis (MS) are at increased risk for depression and anxiety. The symptoms of MS are often similar to the somatic or physical symptoms of depression and anxiety (fatigue, trouble concentrating). This study examined whether MS symptoms and effects biased the assessment of somatic symptoms of anxiety and depression.<h4>Methods</h4>People with MS (n = 513) completed a survey about MS symptoms, treatments, and distress. The Patient Health Questionnaire-9 as ...[more]

PMID: 29896052

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Project description:ObjectiveThe etiology of somatization is incompletely understood, but could be elucidated by models of psychosocial stress. Academic exam stress has effectively been applied as a naturalistic stress model, however its effect on somatization symptoms according to ICD-10 and DSM-IV criteria has not been reported so far. Baseline associations between somatization and personality traits, such as alexithymia, have been studied exhaustively. Nevertheless, it is largely unknown if personality traits have an explanatory value for stress induced somatization.MethodsThis longitudinal, quasi-experimental study assessed the effects of university exams on somatization - and the reversal of effects after an exam-free period. Repeated-observations were obtained within 150 students, measuring symptom intensity before, during and after an exam period, according to the Screening for Somatoform Symptoms 7-day (SOMS-7d). Additionally, self-reports on health status were used to differentiate between medically explained and medically unexplained symptoms. Alexithymia, neuroticism, trait-anxiety and baseline depression were surveyed using the Toronto-Alexithymia Scale (TAS-20), the Big-Five Personality Interview (NEO-FFI), the State Trait Anxiety Inventory (STAI) and Beck's Depression Inventory (BDI-II). These traits were competitively tested for their ability to explain somatization increases under exam stress.ResultsSomatization significantly increased across a wide range of symptoms under exam stress, while health reports pointed towards a reduction in acute infections and injuries. Neuroticism, alexithymia, trait anxiety and depression explained variance in somatization at baseline, but only neuroticism was associated with symptom increases under exam stress.ConclusionExam stress is an effective psychosocial stress model inducing somatization. A comprehensive quantitative description of bodily symptoms under exam stress is supplied. The results do not support the stress-alexithymia hypothesis, but favor neuroticism as a personality trait of importance for somatization.

Dataset Information

Somatic Symptoms of Depression and Anxiety in People with Multiple Sclerosis.

Publications

Somatic Symptoms of Depression and Anxiety in People with Multiple Sclerosis.

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