Open Access, Peer-reviewed
eISSN 2093-758X
    J Korean Acad Nurs. 2011 Aug;41(4):460-470. Korean.
    Published online Aug 31, 2011.
    https://doi.org/10.4040/jkan.2011.41.4.460
    © 2011 Korean Society of Nursing Science
    Original Article

    An Explanatory Model for Sleep Disorders in People with Cancer

    Hee Sun Kim,1 and Eui Geum Oh2
      • 1Assistant Professor, Department of Nursing, Jeonbuk Science College, Jeongeup, Korea.
      • 2Professor, College of Nursing, Yonsei University, Seoul, Korea.
    • Address reprint requests to: Kim, Hee Sun. Department of Nursing, Jeonbuk Science College, 9-28 Sigi 3-dong, Jeongeup 580-060, Korea. Tel: +82-63-530-9298, Fax: +82-63-532-3768, Email: joha0219@hanmail.net
    Received January 20, 2011; Accepted August 04, 2011.

    Abstract

    Purpose

    The aim of this study was to develop and test an explanatory model for sleep disorders in people with cancer. A hypothetical model was constructed on the basis of a review of previous studies, literature, and sleep models, and 10 latent variables were used to construct a hypothetical model.

    Methods

    Data were collected from April 19 to June 25, 2010, using self-report questionnaires. The sample was 291 outpatients with cancer who visited the oncology cancer center at a university hospital. Collected data were analyzed using SPSS Win 15.0 program for descriptive statistics and correlation analysis and AMOS 7.0 program for covariance structural analysis.

    Results

    It appeared that overall fit index was good as χ2/df=1.162, GFI=.969, AGFI=.944, SRMR=.052, NFI=.881, NNFI=.969, CFI=.980, RMSEA=.024, CN=337 in the modified model. The explanatory power of this model for sleep disorders in people with cancer was 62%. Further, sleep disorders were influenced directly by cancer symptom experience, dysfunctional beliefs and attitudes about sleep, and past sleep pattern.

    Conclusion

    Findings suggest that nurses should assess past sleep pattern and consider the development of a comprehensive nursing intervention program to minimize the cancer symptom experience, dysfunctional beliefs and attitudes about sleep, and thus, reduce sleep disorders in people with cancer.

    Keywords
    Neoplasms; Sleep disorders

    Figures

    Figure 1
    Conceptual framework.

    Figure 2
    Path diagram for modified model.

    x1=cancer stage; x2=meta or recurrence; x3=emotional support; x4=tangible support; x5=past sleep disturbance; x6=use sleep pill in past; y1= physical function; y2=depression; y3=anxiety; y4=fighting spirit; y5=dysfunctional beliefs & attitudes about sleep; y6=cancer symptom experience; y7=sleep disorders.

    Tables

    Table 1
    Descriptive Statistics of Study Variables (N=291)

    Table 2
    Effects of Predictor Variables in the Modified Model (N=291)

    Notes

    This article is a revision of the first author's doctoral thesis.

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    MeSH Terms
    Models, Theoretical*
    Anxiety
    Depression
    Female
    Hospitals, University
    Humans
    Male
    Middle Aged
    Neoplasms/complications*
    Neoplasms/diagnosis*
    Neoplasms/psychology
    Questionnaires
    Self Concept
    Sleep Disorders/epidemiology
    Sleep Disorders/etiology*
    Sleep Disorders/psychology*
    Social Support
    Metrics
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