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Effect of Perceived Stress on Health-Related Quality of Life among Primary Caregiving Spouses of Patients with Severe Dementia: The Mediating Role of Depression and Sleep Quality

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  • Jinheum Kim

    (Department of Applied Statistics, University of Suwon, Hwaseong-si 18323, Korea)

  • Eunjeong Cha

    (Department of Nursing Science, University of Suwon, Hwaseong-si 18323, Korea)

Abstract

Recently, there has been a rise in the number of spouses becoming primary caregivers to patients with dementia. This study identifies the mediating effects of depression and sleep quality on the relationship between perceived stress and health-related quality of life (HRQoL) among primary caregiving spouses of patients with severe dementia through a secondary data analysis of the 2018 Korea Community Health Survey by the Korea Disease Control and Prevention Agency. Data from 229 primary caregiving spouses of patients with severe dementia were analyzed using descriptive statistics, Spearman’s rank correlation or Pearson’s correlation analysis, and the lavaan R package, version 0.6-9. The association between perceived stress status (PSS) and the European Quality of Life Five Dimension (EQ-5D) index was highly significant. The direct effect of PSS observed in the model was nullified with both the Patient Health Questionnaire-9 and the Pittsburgh Sleep Quality Index as mediators, which implies that they mediate the effect of PSS on caregivers’ EQ-5D indexes. The mediation model accounted for 33.2% of the variance in the EQ-5D index of caregivers. The results suggest the need to develop an intervention to improve sleep quality and manage depression to mitigate a decline in HRQoL for these caregivers.

Suggested Citation

  • Jinheum Kim & Eunjeong Cha, 2022. "Effect of Perceived Stress on Health-Related Quality of Life among Primary Caregiving Spouses of Patients with Severe Dementia: The Mediating Role of Depression and Sleep Quality," IJERPH, MDPI, vol. 19(13), pages 1-11, June.
    • Handle: RePEc:gam:jijerp:v:19:y:2022:i:13:p:7962-:d:851220
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    1. Katherine Ka Pik Chang & Frances Kam Yuet Wong & Ka Long Chan & Fiona Wong & Hung Chak Ho & Man Sing Wong & Yuen Shan Ho & John Wai Man Yuen & Judy Yuen-man Siu & Lin Yang, 2020. "The Impact of the Environment on the Quality of Life and the Mediating Effects of Sleep and Stress," IJERPH, MDPI, vol. 17(22), pages 1-17, November.
    2. Rie Fujisawa & Francesca Colombo, 2009. "The Long-Term Care Workforce: Overview and Strategies to Adapt Supply to a Growing Demand," OECD Health Working Papers 44, OECD Publishing.
    3. Mihyun Jeong, 2020. "Predictors of Health-Related Quality of Life in Korean Adults with Diabetes Mellitus," IJERPH, MDPI, vol. 17(23), pages 1-14, December.
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