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Suicide risk after cancer diagnosis among older adults: A nationwide retrospective cohort study

Authors
 Jae Woo Choi  ;  Eun-Cheol Park 
Citation
 JOURNAL OF GERIATRIC ONCOLOGY, Vol.11(5) : 814-819, 2020-06 
Journal Title
 JOURNAL OF GERIATRIC ONCOLOGY 
ISSN
 1879-4068 
Issue Date
2020-06
Keywords
Cancer ; Older adults ; Prediagnosis mental disorders ; Suicide risk
Abstract
Objectives: Cancer increases suicide risk, but little is known about associations between cancer and suicide among older adults. We aimed to investigate suicide risk within 1 year after cancer diagnosis in older adults. Methods: Using National Health Insurance Service-Senior Cohort data, we included newly diagnosed older patients with cancer and older adults without cancer, selected by a 1:3 propensity score matching using sex, age, Charlson comorbidity index, and index year from 2004 to 2012 and followed them up throughout 2013. We used Cox proportional hazard models to estimate adjusted hazard ratios (AHR) of suicide risk. Results: In the total sample of 259,688 older adults (aged 62-115 years), the highest proportion of observed suicide deaths occurred within one year after cancer diagnosis (36.1% of total); 64,922 older patients with cancer showed higher suicide risk after cancer diagnosis compared to non-cancer participants (AHR 2.05; 95% CI 1.64-2.56). Patients with mental disorder diagnosis before cancer diagnosis (AHR 2.98; 95% CI 2.12-4.18) had increased suicide risk than those without mental disorder diagnosis (AHR 1.78; 95% CI 1.38-2.29) compared to non-cancer participants. Suicide risk among older patients with bladder, head and neck, liver, lung, and stomach cancers was higher than in non-cancer participants (AHR 4.77, 2.28, 2.99, 1.98, 2.40; 95% CI 2.53-8.99, 1.47-3.54, 1.63-5.49, 1.15-3.40, 1.57-2.24), respectively. Conclusions: Older patients with cancer have a higher suicide risk. Early mental health support needs to be provided with consideration of prediagnosis mental disorders during follow-up after cancer diagnosis.
Full Text
https://www.sciencedirect.com/science/article/pii/S1879406819303790
DOI
10.1016/j.jgo.2019.11.006
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Preventive Medicine and Public Health (예방의학교실) > 1. Journal Papers
Yonsei Authors
Park, Eun-Cheol(박은철) ORCID logo https://orcid.org/0000-0002-2306-5398
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/179421
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