Risk and risk factors for disability pension among patients with treatment resistant depression– a matched cohort study

Abstract Background Treatment resistant depression (TRD) is common among patients with depression, and is associated with clinical and functional disability. However, the risk and risk factors for being granted disability pension (DP) among patients with TRD have not been investigated. Methods All a...

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Main Authors: Heidi Taipale, Johan Reutfors, Antti Tanskanen, Lena Brandt, Jari Tiihonen, Allitia DiBernardo, Ellenor Mittendorfer-Rutz, Philip Brenner
Format: Article
Language:English
Published: BMC 2020-05-01
Series:BMC Psychiatry
Subjects:
Online Access:http://link.springer.com/article/10.1186/s12888-020-02642-9
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author Heidi Taipale
Johan Reutfors
Antti Tanskanen
Lena Brandt
Jari Tiihonen
Allitia DiBernardo
Ellenor Mittendorfer-Rutz
Philip Brenner
author_facet Heidi Taipale
Johan Reutfors
Antti Tanskanen
Lena Brandt
Jari Tiihonen
Allitia DiBernardo
Ellenor Mittendorfer-Rutz
Philip Brenner
author_sort Heidi Taipale
collection DOAJ
description Abstract Background Treatment resistant depression (TRD) is common among patients with depression, and is associated with clinical and functional disability. However, the risk and risk factors for being granted disability pension (DP) among patients with TRD have not been investigated. Methods All antidepressant initiators in Sweden with a diagnosis of depression in specialized care were identified in nationwide registers 2006–2013 and followed regarding treatment trials. TRD was defined as the start of a third sequential trial. Patients with TRD who were not on DP (N = 3204) were matched by age, sex, history of depression, calendar year, and time for treatment start with 3204 comparators with depression and ongoing antidepressant treatment. A proportional Cox Regression was performed with DP as outcome, adjusted for various sociodemographic and clinical covariates. Results Compared to the comparison cohort, TRD was associated with a doubled risk for all-cause DP (aHR 2.07; 95%CI 1.83–2.35), DP due to depression (2.28; 1.82–2.85) and to any mental disorder (2.24; 1.95–2.57) but not due to somatic diagnoses (1.25; 0.84–1.86). Among significant risk factors for DP in TRD were female sex, being > 29 years of age, unemployment and a diagnosis of comorbid personality disorder (ICD-10 codes F60.0–9). Conclusion TRD is associated with an elevated risk for DP compared to other patients with depression, with large potential costs for the affected patients and for society. Clinical and therapeutic implications for patients with TRD who are granted DP should be further investigated. Limitation: No clinical data, e.g. type of depression or reason for treatment switch, was available for this study.
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spelling doaj.art-9388eb74b97c4f7e8da29fe7cd78c5f72022-12-22T03:47:10ZengBMCBMC Psychiatry1471-244X2020-05-0120111110.1186/s12888-020-02642-9Risk and risk factors for disability pension among patients with treatment resistant depression– a matched cohort studyHeidi Taipale0Johan Reutfors1Antti Tanskanen2Lena Brandt3Jari Tiihonen4Allitia DiBernardo5Ellenor Mittendorfer-Rutz6Philip Brenner7Department of Clinical Neuroscience, Division of Insurance Medicine, Karolinska InstitutetCentre for Pharmacoepidemiology, Department of Medicine Solna, Karolinska Institutet, Karolinska University HospitalDepartment of Clinical Neuroscience, Division of Insurance Medicine, Karolinska InstitutetCentre for Pharmacoepidemiology, Department of Medicine Solna, Karolinska Institutet, Karolinska University HospitalDepartment of Clinical Neuroscience, Division of Insurance Medicine, Karolinska InstitutetJanssen Research & Development, LLCDepartment of Clinical Neuroscience, Division of Insurance Medicine, Karolinska InstitutetCentre for Pharmacoepidemiology, Department of Medicine Solna, Karolinska Institutet, Karolinska University HospitalAbstract Background Treatment resistant depression (TRD) is common among patients with depression, and is associated with clinical and functional disability. However, the risk and risk factors for being granted disability pension (DP) among patients with TRD have not been investigated. Methods All antidepressant initiators in Sweden with a diagnosis of depression in specialized care were identified in nationwide registers 2006–2013 and followed regarding treatment trials. TRD was defined as the start of a third sequential trial. Patients with TRD who were not on DP (N = 3204) were matched by age, sex, history of depression, calendar year, and time for treatment start with 3204 comparators with depression and ongoing antidepressant treatment. A proportional Cox Regression was performed with DP as outcome, adjusted for various sociodemographic and clinical covariates. Results Compared to the comparison cohort, TRD was associated with a doubled risk for all-cause DP (aHR 2.07; 95%CI 1.83–2.35), DP due to depression (2.28; 1.82–2.85) and to any mental disorder (2.24; 1.95–2.57) but not due to somatic diagnoses (1.25; 0.84–1.86). Among significant risk factors for DP in TRD were female sex, being > 29 years of age, unemployment and a diagnosis of comorbid personality disorder (ICD-10 codes F60.0–9). Conclusion TRD is associated with an elevated risk for DP compared to other patients with depression, with large potential costs for the affected patients and for society. Clinical and therapeutic implications for patients with TRD who are granted DP should be further investigated. Limitation: No clinical data, e.g. type of depression or reason for treatment switch, was available for this study.http://link.springer.com/article/10.1186/s12888-020-02642-9Major depressive disorderDisability pensionTreatment resistant depressionEpidemiologyAntidepressants
spellingShingle Heidi Taipale
Johan Reutfors
Antti Tanskanen
Lena Brandt
Jari Tiihonen
Allitia DiBernardo
Ellenor Mittendorfer-Rutz
Philip Brenner
Risk and risk factors for disability pension among patients with treatment resistant depression– a matched cohort study
BMC Psychiatry
Major depressive disorder
Disability pension
Treatment resistant depression
Epidemiology
Antidepressants
title Risk and risk factors for disability pension among patients with treatment resistant depression– a matched cohort study
title_full Risk and risk factors for disability pension among patients with treatment resistant depression– a matched cohort study
title_fullStr Risk and risk factors for disability pension among patients with treatment resistant depression– a matched cohort study
title_full_unstemmed Risk and risk factors for disability pension among patients with treatment resistant depression– a matched cohort study
title_short Risk and risk factors for disability pension among patients with treatment resistant depression– a matched cohort study
title_sort risk and risk factors for disability pension among patients with treatment resistant depression a matched cohort study
topic Major depressive disorder
Disability pension
Treatment resistant depression
Epidemiology
Antidepressants
url http://link.springer.com/article/10.1186/s12888-020-02642-9
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