Clin Psychopharmacol Neurosci 2019; 17(2): 279-287  
Physical Health Literacy and Health-related Behaviors in Patients with Psychosis
Sung-Wan Kim1,2,3, Woo-Young Park2, Min Jhon1,3, Mina Kim2,4, Ju-Yeon Lee1,2,3, Seon-Young Kim1, Jae-Min Kim1, IL-Seon Shin1, Jin-Sang Yoon1
1Department of Psychiatry, Chonnam National University Medical School, 2Gwangju Mental Health and Welfare Commission, 3MindLink, Gwangju Bukgu Community Mental Health Center, 4Department of Nursing, Graduate School, Chonnam National University, Gwangju, Korea
Correspondence to: Jin-Sang Yoon, MD, PhD Department of Psychiatry, Chonnam National University Medical School, 160 Baekseo-ro, Dong-gu, Gwangju 61469, Korea
Tel: +82-62-220-6148, Fax: +82-62-225-2351 E-mail: jsyoon@chonnam.ac.kr
ORCID: https://orcid.org/0000-0002-5903-8164
Sung-Wan Kim, MD, PhD Department of Psychiatry, Chonnam National University Medical School, 160 Baekseo-ro, Dong-gu, Gwangju 61469, Korea
Tel: +82-62-220-6148, Fax: +82-62-225-2351 E-mail: swkim@chonnam.ac.kr
ORCID: https://orcid.org/0000-0002-6739-2163
Received: July 17, 2018; Revised: September 3, 2018; Accepted: October 9, 2018; Published online: May 31, 2019.
© The Korean College of Neuropsychopharmacology. All rights reserved.

This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
Abstract
Objective: This study compared the levels of knowledge of physical illnesses and patterns of health behaviors between patients with psychosis and the general population.
Methods: A total of 712 participants were included in the study; 292 patients with a schizophrenia spectrum disorder and 420 healthy controls matched for age and gender. Questionnaires were administered to study participants to determine the level of knowledge of chronic physical illnesses such as cancer, hypertension, and diabetes mellitus and health-related behavior. Results from the two study groups were compared to identify differences in knowledge of physical illness and health-related behaviors.
Results: Compared with healthy controls, patients with psychosis were less likely to undergo regular medical check-ups and engage in exercise. Patients with psychosis had poorer knowledge of physical illnesses, and were more likely to smoke, be overweight, or have diabetes. Patients with psychosis were significantly less likely to acknowledge the importance of early detection of cancer and controlling hypertension and diabetes, independent of education and type of medical insurance. Patients who smoked were significantly less likely to agree with the statement on the relationship between smoking and physical illnesses. Patients not undergoing regular medical check-ups were significantly less likely to agree with statements concerning the need for cancer screening.
Conclusion: Patients with psychosis demonstrated lower levels of knowledge of physical illnesses and a lack of understanding of preventive behaviors. Low levels of knowledge were associated with poor health-related behaviors. Education of physical health should be provided to patients with psychosis.
Keywords: Health; Psychotic disorder; Schizophrenia; Smoking; Neoplasm; Cardiovascular.


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