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A Moderated-Mediation Model of the Relationship between Dietary Satisfaction and Fatigue in Older Adults with Diabetes: The Role of Meal Planning and Depressive Symptoms

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  • Hyerang Kim

    (Department of Nursing Science, Howon University, 64 Howondae 3gil, Impi, Gunsan 54058, Jeollabuk-do, Korea)

  • Heesook Son

    (Red Cross College of Nursing, Chung-Ang University, 84 Heukseok-ro, Dongjak-gu, Seoul 06974, Korea)

Abstract

Little research has examined the pathways between psychological factors and fatigue in older adults with diabetes. This study explored the pathways between diet-related quality of life and depressive symptoms in predicting fatigue using a moderated-mediation model. A convenience sample of adults ≥65 years ( n = 127) with diabetes completed a cross-sectional survey including measures of fatigue severity, diet-related quality of life, and depressive symptoms, and a moderated-mediation analysis assessed the relationships between them. Diet satisfaction was negatively related to fatigue, which was mediated by depressive symptoms. In the moderated-mediation model, diet satisfaction had a conditional effect on fatigue through the mediating effect of depressive symptoms, moderated by meal planning difficulty. At higher levels of perceived meal planning difficulty, lower diet satisfaction was indirectly associated with higher fatigue through depressive symptoms, but this pathway was non-significant at lower levels. Findings suggest that supportive care for diet therapy might improve psychological outcomes in older adults with diabetes, especially for those having difficulties with daily dietary practice. Meal planning difficulties in the dietary management of diabetes accompanied by low diet satisfaction may lead to negative psychological outcomes. Monitoring satisfaction and burdens associated with dietary practices could improve fatigue in this population.

Suggested Citation

  • Hyerang Kim & Heesook Son, 2020. "A Moderated-Mediation Model of the Relationship between Dietary Satisfaction and Fatigue in Older Adults with Diabetes: The Role of Meal Planning and Depressive Symptoms," IJERPH, MDPI, vol. 17(23), pages 1-14, November.
  • Handle: RePEc:gam:jijerp:v:17:y:2020:i:23:p:8823-:d:452309
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    References listed on IDEAS

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    1. Locher, Julie L. & Ritchie, Christine S. & Roth, David L. & Baker, Patricia Sawyer & Bodner, Eric V. & Allman, Richard M., 2005. "Social isolation, support, and capital and nutritional risk in an older sample: ethnic and gender differences," Social Science & Medicine, Elsevier, vol. 60(4), pages 747-761, February.
    2. Hyerang Kim & Heesook Son, 2019. "Fatigue-Related Factors for Community-Dwelling Older Adults with Diabetes: A Theory-Guided Multi-Dimensional Approach Using the Dynamic Biopsychosocial Model," IJERPH, MDPI, vol. 16(22), pages 1-15, November.
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