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The risk of sleep disorders in Korean cancer patients

Published online by Cambridge University Press:  23 March 2020

H. Lee ,
S.T. Oh ,
D.W. Kim  and
W.J. Choi
H. Lee*
Affiliation:
NHIS Ilsan Hospital, Department of Psychiatry, Goyang, Republic of Korea Yonsei University College of Medicine, Department of Psychiatry and Institute of Behavioral Science, Seoul, Republic of Korea
S.T. Oh
Affiliation:
NHIS Ilsan Hospital, Department of Psychiatry, Goyang, Republic of Korea
D.W. Kim
Affiliation:
NHIS Ilsan Hospital, Department of Policy Research Affairs, Goyang, Republic of Korea
W.J. Choi
Affiliation:
NHIS Ilsan Hospital, Department of Psychiatry, Goyang, Republic of Korea Yonsei University College of Medicine, Department of Psychiatry and Institute of Behavioral Science, Seoul, Republic of Korea NHIS Ilsan Hospital, Department of Policy Research Affairs, Goyang, Republic of Korea
*
*Corresponding author.

Abstract

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Purpose

Sleep disturbance in cancer patients is common. The aim of this study is to investigate the risk of sleep disorders in cancer patients compared to patients with other diseases using the national registry data.

Method

Using data from the Korean National Health Insurance Research Database between 2002 and 2013, the cancer group was composed of patients with an initial diagnosis of cancer in 2004 (n = 3358). The remaining people were considered as comparison group (n = 493,577) after excluding patients with any cancer or psychiatric disorder from 2002 to 2003 and from 2005 to 2013. Each sampled subject was tracked until 2013. Cox proportional hazard regressions were used to calculate the overall rate for sleep disorder development after adjusting for age, gender, and socio-economical confounders.

Results

Cancer patients were associated with an increased risk of sleep disorder in both sexes (male hazard ratio [HR]: 1.319; 95% confidence interval [CI]: 1.232–1.413; female HR: 1.289; 95% CI: 1.198–1.386) after adjusting for potential confounders. Both results were statistically significant (P < 0.001). In terms of age, the effect size of the HR was largest among elder adults, aged ≥ 70 years (male HR: 1.748; female HR: 1.820). The HR tended to increase consistently.

Conclusion

Initial diagnosis of cancer was significantly associated with sleep disorder development after adjusting for potential confounders. This result suggests that thorough screening and intervention for sleep disorders are required for the newly diagnosed cancer patients to improve their quality of life.

Disclosure of interest

The authors have not supplied their declaration of competing interest.

Keywords

Cancer patientsSleep disorderHazard ratioNational registry data
Type
EW371
Information
European Psychiatry , Volume 33 , Issue S1: Abstracts of the 24th European Congress of Psychiatry , March 2016 , pp. S204 - S205
Copyright
Copyright © European Psychiatric Association 2016
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