Obsessed with Healthy Eating: A Systematic Review of Observational Studies Assessing Orthorexia Nervosa in Patients with Diabetes Mellitus

Orthorexia nervosa (ON) is an unspecified feeding or eating disorder (USFED) characterized by an exaggerated, unhealthy obsession with healthy eating. Τypical eating disorders (EDs) and USFEDs are common among patients with diabetes mellitus (DM), which complicates metabolic control and disease outc...

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Autores principales:	Maria G. Grammatikopoulou, Konstantinos Gkiouras, Georgia Polychronidou, Chrysi Kaparounaki, Kalliopi K. Gkouskou, Faidon Magkos, Lorenzo Maria Donini, Aristides G. Eliopoulos, Dimitrios G. Goulis
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	disordered eating eating disorders metabolic control healthism psychology eating behavior Nutrition. Foods and food supply TX341-641
Acceso en línea:	https://doaj.org/article/b97adb9a8b2b452c92c91617b4a10466
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spelling	oai:doaj.org-article:b97adb9a8b2b452c92c91617b4a104662021-11-25T18:34:26ZObsessed with Healthy Eating: A Systematic Review of Observational Studies Assessing Orthorexia Nervosa in Patients with Diabetes Mellitus10.3390/nu131138232072-6643https://doaj.org/article/b97adb9a8b2b452c92c91617b4a104662021-10-01T00:00:00Zhttps://www.mdpi.com/2072-6643/13/11/3823https://doaj.org/toc/2072-6643Orthorexia nervosa (ON) is an unspecified feeding or eating disorder (USFED) characterized by an exaggerated, unhealthy obsession with healthy eating. Τypical eating disorders (EDs) and USFEDs are common among patients with diabetes mellitus (DM), which complicates metabolic control and disease outcomes. The present systematic review summarizes the evidence on the prevalence of ON symptomatology among patients with DM. PubMed, Web of Science, Scopus, and grey literature were searched, and relevant observational studies were screened using the Rayyan software. The quality of the studies was assessed using the appraisal tool for cross-sectional studies (AXIS) and the Newcastle–Ottawa scale (NOS). Out of 4642 studies, 6 fulfilled the predefined criteria and were included in the qualitative synthesis. Most studies relied on the ORTO-15 or its adaptations to identify ON among patients with DM. No apparent sex or age differences exist regarding the prevalence of ON symptoms. None of the studies compared the prevalence of ON in patients with type 1 and type 2 DM. Most of the research was of average to good methodological quality. In conclusion, patients with DM often exhibit ON tendencies, although research is still limited regarding the etiology or mechanistic drivers behind ON and the characteristics of patients with a dual ON–DM diagnosis.Maria G. GrammatikopoulouKonstantinos GkiourasGeorgia PolychronidouChrysi KaparounakiKalliopi K. GkouskouFaidon MagkosLorenzo Maria DoniniAristides G. EliopoulosDimitrios G. GoulisMDPI AGarticledisordered eatingeating disordersmetabolic controlhealthismpsychologyeating behaviorNutrition. Foods and food supplyTX341-641ENNutrients, Vol 13, Iss 3823, p 3823 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	disordered eating eating disorders metabolic control healthism psychology eating behavior Nutrition. Foods and food supply TX341-641
spellingShingle	disordered eating eating disorders metabolic control healthism psychology eating behavior Nutrition. Foods and food supply TX341-641 Maria G. Grammatikopoulou Konstantinos Gkiouras Georgia Polychronidou Chrysi Kaparounaki Kalliopi K. Gkouskou Faidon Magkos Lorenzo Maria Donini Aristides G. Eliopoulos Dimitrios G. Goulis Obsessed with Healthy Eating: A Systematic Review of Observational Studies Assessing Orthorexia Nervosa in Patients with Diabetes Mellitus
description	Orthorexia nervosa (ON) is an unspecified feeding or eating disorder (USFED) characterized by an exaggerated, unhealthy obsession with healthy eating. Τypical eating disorders (EDs) and USFEDs are common among patients with diabetes mellitus (DM), which complicates metabolic control and disease outcomes. The present systematic review summarizes the evidence on the prevalence of ON symptomatology among patients with DM. PubMed, Web of Science, Scopus, and grey literature were searched, and relevant observational studies were screened using the Rayyan software. The quality of the studies was assessed using the appraisal tool for cross-sectional studies (AXIS) and the Newcastle–Ottawa scale (NOS). Out of 4642 studies, 6 fulfilled the predefined criteria and were included in the qualitative synthesis. Most studies relied on the ORTO-15 or its adaptations to identify ON among patients with DM. No apparent sex or age differences exist regarding the prevalence of ON symptoms. None of the studies compared the prevalence of ON in patients with type 1 and type 2 DM. Most of the research was of average to good methodological quality. In conclusion, patients with DM often exhibit ON tendencies, although research is still limited regarding the etiology or mechanistic drivers behind ON and the characteristics of patients with a dual ON–DM diagnosis.
format	article
author	Maria G. Grammatikopoulou Konstantinos Gkiouras Georgia Polychronidou Chrysi Kaparounaki Kalliopi K. Gkouskou Faidon Magkos Lorenzo Maria Donini Aristides G. Eliopoulos Dimitrios G. Goulis
author_facet	Maria G. Grammatikopoulou Konstantinos Gkiouras Georgia Polychronidou Chrysi Kaparounaki Kalliopi K. Gkouskou Faidon Magkos Lorenzo Maria Donini Aristides G. Eliopoulos Dimitrios G. Goulis
author_sort	Maria G. Grammatikopoulou
title	Obsessed with Healthy Eating: A Systematic Review of Observational Studies Assessing Orthorexia Nervosa in Patients with Diabetes Mellitus
title_short	Obsessed with Healthy Eating: A Systematic Review of Observational Studies Assessing Orthorexia Nervosa in Patients with Diabetes Mellitus
title_full	Obsessed with Healthy Eating: A Systematic Review of Observational Studies Assessing Orthorexia Nervosa in Patients with Diabetes Mellitus
title_fullStr	Obsessed with Healthy Eating: A Systematic Review of Observational Studies Assessing Orthorexia Nervosa in Patients with Diabetes Mellitus
title_full_unstemmed	Obsessed with Healthy Eating: A Systematic Review of Observational Studies Assessing Orthorexia Nervosa in Patients with Diabetes Mellitus
title_sort	obsessed with healthy eating: a systematic review of observational studies assessing orthorexia nervosa in patients with diabetes mellitus
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/b97adb9a8b2b452c92c91617b4a10466
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Obsessed with Healthy Eating: A Systematic Review of Observational Studies Assessing Orthorexia Nervosa in Patients with Diabetes Mellitus

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