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Dietary Nutrients’ Intake and Sleep Quality in Peritoneal Dialysis Patients Publisher



Azarnoush H1 ; Mortazavi M1, 2 ; Rouhani MH3 ; Seirafian S1, 2 ; Atapour A1, 4 ; Hosseini M5 ; Toghyani A1
Authors
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Authors Affiliations
  1. 1. Isfahan University of Medical Sciences, Internal Medicine Department, Medical School -, Isfahan, Iran
  2. 2. Isfahan University of Medical Sciences, Isfahan Kidney Diseases Research Center, Alzahra Hospital, Isfahan, Iran
  3. 3. Isfahan University of Medical Sciences, Food Security Center, Department of Community Nutrition, Isfahan, Iran
  4. 4. Isfahan University of Medical Sciences, Isfahan Kidney Diseases Research Center, Khorshid Hospital, Isfahan, Iran
  5. 5. Isfahan University of Medical Sciences, Department of Biostatistics and Epidemiology, School of Public Health, Isfahan, Iran

Source: Sleep Science Published:2021


Abstract

Sleep disturbances are common in dialysis patients. However, there is a lack of information on nutritional determinants of sleep disorders in dialysis patients. The objective of the current study was to investigate the association between nutrients’ intake and sleep quality in peritoneal dialysis patients. The cross-sectional study was done on 114 peritoneal dialysis patients referred to Alzahra and Khorshid hospitals, Isfahan, Iran. Information on sleep quality and dietary intakes were collected using Pittsburgh sleep quality index and 168-item food frequency questionnaire respectively. Anthropometric measurements were done by a trained dietitian based on standard protocols. Socio-demographic and clinical data were obtained through a structured questionnaire. The binary logistic regression model was used to detect the association between nutrients’ intake and sleep quality. Our results indicated that there was not any significant difference in basic (socio-demographic and clinical) characteristics between peritoneal dialysis patients with good and poor sleep quality (p>0.05). The results of logistic regression indicated a positive significant association between dietary intake of carbohydrate (OR:3;95% CI:1.32-6.81; p<0.05), fat (OR:3;95% CI:1.32-6.81; p<0.05), and fiber (OR:2.53;95% CI: 1.12-5.67; p<0.05) with poor sleep quality in crude and adjusted models (p<0.05). However, there was not any significant association between dietary intake of protein and poor sleep quality (p>0.05). The results of the present study indicated that dietary intake of nutrients affect sleep quality in dialysis patients. These results help healthcare professionals in making nutritional interventions to improve sleep quality in dialysis patients. © 2021 Brazilian Association of Sleep and Latin American Federation of Sleep Societies. All rights reserved.
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