The prevalence and temporal trends of food allergy among preschool children in Northern Thailand between 2010 and 2019

Background: Although recent studies suggest that the prevalence of food allergy (FA) has not changed, the data from developing countries are limited. This study aimed to investigate time trends in the prevalence of FA among preschool children in 2010 and 2019 in Northern Thailand. Methods: Two cross...

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Autores principales:	Pisuttikan Rangkakulnuwat, MD, Mongkol Lao-Araya, MD
Formato:	article
Lenguaje:	EN
Publicado:	Elsevier 2021
Materias:	Children Food allergy Time trends Prevalence Thailand Immunologic diseases. Allergy RC581-607
Acceso en línea:	https://doaj.org/article/752c299d3671443dad7c0fcc37b76ba9
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spelling	oai:doaj.org-article:752c299d3671443dad7c0fcc37b76ba92021-11-12T04:30:15ZThe prevalence and temporal trends of food allergy among preschool children in Northern Thailand between 2010 and 20191939-455110.1016/j.waojou.2021.100593https://doaj.org/article/752c299d3671443dad7c0fcc37b76ba92021-10-01T00:00:00Zhttp://www.sciencedirect.com/science/article/pii/S1939455121000879https://doaj.org/toc/1939-4551Background: Although recent studies suggest that the prevalence of food allergy (FA) has not changed, the data from developing countries are limited. This study aimed to investigate time trends in the prevalence of FA among preschool children in 2010 and 2019 in Northern Thailand. Methods: Two cross-sectional studies were performed, 9 years apart (2010 and 2019), using the same methods, in children aged 3–7 years living in Chiang Mai, Thailand. Parent-reporting questionnaire surveys were conducted. Families with children reporting FA were invited to undergo further investigations with skin prick testing, serum specific IgE, and oral food challenge (OFC). The prevalence of parent-reported FA, food sensitization, and OFC-confirmed FA were compared between the 2 periods. Results: A total of 1013 out of 1146 questionnaires (452/546 in 2010 and 561/600 in 2019) were returned. The response rate was 88.4%. The prevalence of parent-reported food allergy in 2019 was significantly lower than that in 2010 (5.5% vs 9.3%; p = 0.02). However, there was no significant change in the prevalence of OFC-confirmed FA (0.9% vs 1.1%; p = 0.75). Three leading causative foods of parent-reported FA were cow's milk, shrimp, and eggs. Shrimp was still the most common OFC-confirmed food allergen. Atopic dermatitis was the most significantly parent reported factor associated with FA. Conclusion: The overall prevalence of FA among preschool children in Northern Thailand had not increased during the past decade. There was no significant difference in the prevalence of OFC-confirmed FA between 2010 and 2019.Pisuttikan Rangkakulnuwat, MDMongkol Lao-Araya, MDElsevierarticleChildrenFood allergyTime trendsPrevalenceThailandImmunologic diseases. AllergyRC581-607ENWorld Allergy Organization Journal, Vol 14, Iss 10, Pp 100593- (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Children Food allergy Time trends Prevalence Thailand Immunologic diseases. Allergy RC581-607
spellingShingle	Children Food allergy Time trends Prevalence Thailand Immunologic diseases. Allergy RC581-607 Pisuttikan Rangkakulnuwat, MD Mongkol Lao-Araya, MD The prevalence and temporal trends of food allergy among preschool children in Northern Thailand between 2010 and 2019
description	Background: Although recent studies suggest that the prevalence of food allergy (FA) has not changed, the data from developing countries are limited. This study aimed to investigate time trends in the prevalence of FA among preschool children in 2010 and 2019 in Northern Thailand. Methods: Two cross-sectional studies were performed, 9 years apart (2010 and 2019), using the same methods, in children aged 3–7 years living in Chiang Mai, Thailand. Parent-reporting questionnaire surveys were conducted. Families with children reporting FA were invited to undergo further investigations with skin prick testing, serum specific IgE, and oral food challenge (OFC). The prevalence of parent-reported FA, food sensitization, and OFC-confirmed FA were compared between the 2 periods. Results: A total of 1013 out of 1146 questionnaires (452/546 in 2010 and 561/600 in 2019) were returned. The response rate was 88.4%. The prevalence of parent-reported food allergy in 2019 was significantly lower than that in 2010 (5.5% vs 9.3%; p = 0.02). However, there was no significant change in the prevalence of OFC-confirmed FA (0.9% vs 1.1%; p = 0.75). Three leading causative foods of parent-reported FA were cow's milk, shrimp, and eggs. Shrimp was still the most common OFC-confirmed food allergen. Atopic dermatitis was the most significantly parent reported factor associated with FA. Conclusion: The overall prevalence of FA among preschool children in Northern Thailand had not increased during the past decade. There was no significant difference in the prevalence of OFC-confirmed FA between 2010 and 2019.
format	article
author	Pisuttikan Rangkakulnuwat, MD Mongkol Lao-Araya, MD
author_facet	Pisuttikan Rangkakulnuwat, MD Mongkol Lao-Araya, MD
author_sort	Pisuttikan Rangkakulnuwat, MD
title	The prevalence and temporal trends of food allergy among preschool children in Northern Thailand between 2010 and 2019
title_short	The prevalence and temporal trends of food allergy among preschool children in Northern Thailand between 2010 and 2019
title_full	The prevalence and temporal trends of food allergy among preschool children in Northern Thailand between 2010 and 2019
title_fullStr	The prevalence and temporal trends of food allergy among preschool children in Northern Thailand between 2010 and 2019
title_full_unstemmed	The prevalence and temporal trends of food allergy among preschool children in Northern Thailand between 2010 and 2019
title_sort	prevalence and temporal trends of food allergy among preschool children in northern thailand between 2010 and 2019
publisher	Elsevier
publishDate	2021
url	https://doaj.org/article/752c299d3671443dad7c0fcc37b76ba9
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_version_	1718431297213300736

The prevalence and temporal trends of food allergy among preschool children in Northern Thailand between 2010 and 2019

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