Surveys on the prevalence of pediatric asthma in Japan: A comparison between the 1982, 1992, 2002, 2012, and 2022 surveys conducted in the same region using the same methodology (WJSAAC PhaseⅠ∼Ⅴ)

Objectives: To investigate the trends in the prevalence of pediatric asthma in the western part of Japan over 40 years, using data from surveys conducted every 10 years from 1982 to 2022. Design: A series of school-based epidemiological surveys conducted every 10 years. Setting: Elementary schools i...

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Main Authors:	Sankei Nishima, MD, PhD, Junichiro Tezuka, MD, PhD, Hiroshi Odajima, MD, PhD, Hiroshi Matsuzaki, MD, Satoshi Honjo, MD, PhD, MSc, Kunitaka Ota, MD, PhD, Yuji Gohda, MD, Kazuyoshi Koga, MD, Keijiro Tsuda, MD, Yoshiaki Kanaya, MD, PhD, Shuich Yamamoto, MD, PhD, Shinji Aratake, MD, Tatsuo Koga, MD, PhD, Ayako Sakamoto, MD, Yasushi Shimada, MD, PhD, Kasumi Tashiro, MD, Kazunari Fukahori, MD, Shinpei Sunagawa, MD, PhD, Hiroki Yamamoto, MD, Hiroyuki Matsuzaki, MD, Toru Nakamura, MD, Kiyoshi Nishikawa, MD, Kazumi Hiraba, MD, Tokihiko Fujino, MD, Takashi Fujiwara, MD, PhD, Maeda Yoshiteru, MD, Shigetaka Matsumoto, MD, PhD, Chiho Tatsumoto, MD, Zenji Miyazato, MD
Format:	Article
Language:	English
Published:	Elsevier 2025-05-01
Series:	World Allergy Organization Journal
Subjects:	Prevalence Asthma Wheeze Allergic disease COVID-19
Online Access:	http://www.sciencedirect.com/science/article/pii/S1939455125000274
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author	Sankei Nishima, MD, PhD Junichiro Tezuka, MD, PhD Hiroshi Odajima, MD, PhD Hiroshi Matsuzaki, MD Satoshi Honjo, MD, PhD, MSc Kunitaka Ota, MD, PhD Yuji Gohda, MD Kazuyoshi Koga, MD Keijiro Tsuda, MD Yoshiaki Kanaya, MD, PhD Shuich Yamamoto, MD, PhD Shinji Aratake, MD Tatsuo Koga, MD, PhD Ayako Sakamoto, MD Yasushi Shimada, MD, PhD Kasumi Tashiro, MD Kazunari Fukahori, MD Shinpei Sunagawa, MD, PhD Hiroki Yamamoto, MD Hiroyuki Matsuzaki, MD Toru Nakamura, MD Kiyoshi Nishikawa, MD Kazumi Hiraba, MD Tokihiko Fujino, MD Takashi Fujiwara, MD, PhD Maeda Yoshiteru, MD Shigetaka Matsumoto, MD, PhD Chiho Tatsumoto, MD Zenji Miyazato, MD
author_facet	Sankei Nishima, MD, PhD Junichiro Tezuka, MD, PhD Hiroshi Odajima, MD, PhD Hiroshi Matsuzaki, MD Satoshi Honjo, MD, PhD, MSc Kunitaka Ota, MD, PhD Yuji Gohda, MD Kazuyoshi Koga, MD Keijiro Tsuda, MD Yoshiaki Kanaya, MD, PhD Shuich Yamamoto, MD, PhD Shinji Aratake, MD Tatsuo Koga, MD, PhD Ayako Sakamoto, MD Yasushi Shimada, MD, PhD Kasumi Tashiro, MD Kazunari Fukahori, MD Shinpei Sunagawa, MD, PhD Hiroki Yamamoto, MD Hiroyuki Matsuzaki, MD Toru Nakamura, MD Kiyoshi Nishikawa, MD Kazumi Hiraba, MD Tokihiko Fujino, MD Takashi Fujiwara, MD, PhD Maeda Yoshiteru, MD Shigetaka Matsumoto, MD, PhD Chiho Tatsumoto, MD Zenji Miyazato, MD
author_sort	Sankei Nishima, MD, PhD
collection	DOAJ
description	Objectives: To investigate the trends in the prevalence of pediatric asthma in the western part of Japan over 40 years, using data from surveys conducted every 10 years from 1982 to 2022. Design: A series of school-based epidemiological surveys conducted every 10 years. Setting: Elementary schools in 11 prefectures in the western part of Japan. Participants: Children aged 6–12 years. Surveys included 55,388 children in 1982, 46,718 in 1992, 36,228 in 2002, 33,902 in 2012, and 30,024 in 2022. Main outcome measures: Prevalence of asthma, wheeze, and other allergic diseases such as allergic rhinitis, atopic dermatitis, and food allergies. Results: The prevalence of asthma increased from 1982 to 2002 (boys: 3.8%–8.1%; girls: 2.5%–5.0%) and then decreased in 2012 and 2022 (boys: 6.0%–3.2%; girls: 3.5%–2.1%). The prevalence of wheeze followed a similar trend. Allergic rhinitis was the most common comorbidity, affecting 53–58% of children from 1992 onwards. Other comorbidities included atopic dermatitis, allergic conjunctivitis, and pollinosis. The prevalence of asthma was higher in urban areas than in rural areas in the early surveys, but this difference disappeared in later surveys. Conclusions: The prevalence of pediatric asthma in western Japan increased until 2002 and then decreased in subsequent surveys. Changes in environmental factors and public health measures, including those related to the COVID-19 pandemic, may have influenced these trends. Further research is needed to understand the long-term effects of these factors on asthma prevalence.
format	Article
id	doaj-art-5ebe710a448d450bb8fdb0c8fcb918f6
institution	DOAJ
issn	1939-4551
language	English
publishDate	2025-05-01
publisher	Elsevier
record_format	Article
series	World Allergy Organization Journal
spelling	doaj-art-5ebe710a448d450bb8fdb0c8fcb918f62025-08-20T02:58:34ZengElsevierWorld Allergy Organization Journal1939-45512025-05-0118510105210.1016/j.waojou.2025.101052Surveys on the prevalence of pediatric asthma in Japan: A comparison between the 1982, 1992, 2002, 2012, and 2022 surveys conducted in the same region using the same methodology (WJSAAC PhaseⅠ∼Ⅴ)Sankei Nishima, MD, PhD0Junichiro Tezuka, MD, PhD1Hiroshi Odajima, MD, PhD2Hiroshi Matsuzaki, MD3Satoshi Honjo, MD, PhD, MSc4Kunitaka Ota, MD, PhD5Yuji Gohda, MD6Kazuyoshi Koga, MD7Keijiro Tsuda, MD8Yoshiaki Kanaya, MD, PhD9Shuich Yamamoto, MD, PhD10Shinji Aratake, MD11Tatsuo Koga, MD, PhD12Ayako Sakamoto, MD13Yasushi Shimada, MD, PhD14Kasumi Tashiro, MD15Kazunari Fukahori, MD16Shinpei Sunagawa, MD, PhD17Hiroki Yamamoto, MD18Hiroyuki Matsuzaki, MD19Toru Nakamura, MD20Kiyoshi Nishikawa, MD21Kazumi Hiraba, MD22Tokihiko Fujino, MD23Takashi Fujiwara, MD, PhD24Maeda Yoshiteru, MD25Shigetaka Matsumoto, MD, PhD26Chiho Tatsumoto, MD27Zenji Miyazato, MD28Department of Pediatrics, NHO Fukuoka National Hospital, Fukuoka, JapanDepartment of Allergy and Pulmonology, Fukuoka Children's Hospital, Fukuoka, Japan; Corresponding author. Department of Allergy and Pulmonology, Fukuoka Children's Hospital, 5-1-1, kashiiteriha, higashi-ku, Fukuoka, 813-0017, Japan.Department of Pediatrics, NHO Fukuoka National Hospital, Fukuoka, JapanDepartment of Pediatrics, NHO Fukuoka National Hospital, Fukuoka, JapanDepartment of Pediatrics, NHO Fukuoka National Hospital, Fukuoka, Japan; Yanagawa Institute for Developmental Disabilities, Yanagawa, JapanDepartment of Pediatrics, Konan Medical Center, Hyogo, JapanDepartment of Pediatrics, Sasebo Kyosai Hospital, Nagasaki, JapanKitakyushu Medical Association, Fukuoka, JapanKitakyushu Medical Association, Fukuoka, JapanOita Medical Association, Oita, JapanDepartment of Pediatrics, NHO Higashisaga Hospital, Saga, JapanDepartment of Pediatrics, NHO Ibusuki Medical Center, Kagoshima, JapanOmuta Medical Association, Fukuoka, JapanDepartment of Pediatrics, Nagasaki Harbor Medical Center, Nagasaki, JapanAmakusa Medical Association, Kumamoto, JapanDepartment of Pediatrics, JCHO Isahaya General Hospital, Nagasaki, JapanOomura Medical Association, Nagasaki, JapanSanyo Onoda Medical Association, Yamaguchi, JapanDepartment of Pediatrics, Miyazaki Seikyo Hospital, Miyazaki, JapanShimonoseki Medical Association, Yamaguchi, JapanDepartment of Pediatrics, Kagoshima Seikyou General Hospital, Kagoshima, JapanKagawa Medical Association, Kagawa, JapanKagawa Medical Association, Kagawa, JapanKitakyushu Medical Association, Fukuoka, JapanDepartment of Pediatrics, Shoushinkai Mito Hospital, Fukuoka, JapanTamana Medical Association, Kumamoto, JapanBeppu Medical Association, Oita, JapanKagoshima City Medical Association, Kagoshima, JapanDepartment of Pediatrics, Nakagami Hospital, Okinawa, JapanObjectives: To investigate the trends in the prevalence of pediatric asthma in the western part of Japan over 40 years, using data from surveys conducted every 10 years from 1982 to 2022. Design: A series of school-based epidemiological surveys conducted every 10 years. Setting: Elementary schools in 11 prefectures in the western part of Japan. Participants: Children aged 6–12 years. Surveys included 55,388 children in 1982, 46,718 in 1992, 36,228 in 2002, 33,902 in 2012, and 30,024 in 2022. Main outcome measures: Prevalence of asthma, wheeze, and other allergic diseases such as allergic rhinitis, atopic dermatitis, and food allergies. Results: The prevalence of asthma increased from 1982 to 2002 (boys: 3.8%–8.1%; girls: 2.5%–5.0%) and then decreased in 2012 and 2022 (boys: 6.0%–3.2%; girls: 3.5%–2.1%). The prevalence of wheeze followed a similar trend. Allergic rhinitis was the most common comorbidity, affecting 53–58% of children from 1992 onwards. Other comorbidities included atopic dermatitis, allergic conjunctivitis, and pollinosis. The prevalence of asthma was higher in urban areas than in rural areas in the early surveys, but this difference disappeared in later surveys. Conclusions: The prevalence of pediatric asthma in western Japan increased until 2002 and then decreased in subsequent surveys. Changes in environmental factors and public health measures, including those related to the COVID-19 pandemic, may have influenced these trends. Further research is needed to understand the long-term effects of these factors on asthma prevalence.http://www.sciencedirect.com/science/article/pii/S1939455125000274PrevalenceAsthmaWheezeAllergic diseaseCOVID-19
spellingShingle	Sankei Nishima, MD, PhD Junichiro Tezuka, MD, PhD Hiroshi Odajima, MD, PhD Hiroshi Matsuzaki, MD Satoshi Honjo, MD, PhD, MSc Kunitaka Ota, MD, PhD Yuji Gohda, MD Kazuyoshi Koga, MD Keijiro Tsuda, MD Yoshiaki Kanaya, MD, PhD Shuich Yamamoto, MD, PhD Shinji Aratake, MD Tatsuo Koga, MD, PhD Ayako Sakamoto, MD Yasushi Shimada, MD, PhD Kasumi Tashiro, MD Kazunari Fukahori, MD Shinpei Sunagawa, MD, PhD Hiroki Yamamoto, MD Hiroyuki Matsuzaki, MD Toru Nakamura, MD Kiyoshi Nishikawa, MD Kazumi Hiraba, MD Tokihiko Fujino, MD Takashi Fujiwara, MD, PhD Maeda Yoshiteru, MD Shigetaka Matsumoto, MD, PhD Chiho Tatsumoto, MD Zenji Miyazato, MD Surveys on the prevalence of pediatric asthma in Japan: A comparison between the 1982, 1992, 2002, 2012, and 2022 surveys conducted in the same region using the same methodology (WJSAAC PhaseⅠ∼Ⅴ) World Allergy Organization Journal Prevalence Asthma Wheeze Allergic disease COVID-19
title	Surveys on the prevalence of pediatric asthma in Japan: A comparison between the 1982, 1992, 2002, 2012, and 2022 surveys conducted in the same region using the same methodology (WJSAAC PhaseⅠ∼Ⅴ)
title_full	Surveys on the prevalence of pediatric asthma in Japan: A comparison between the 1982, 1992, 2002, 2012, and 2022 surveys conducted in the same region using the same methodology (WJSAAC PhaseⅠ∼Ⅴ)
title_fullStr	Surveys on the prevalence of pediatric asthma in Japan: A comparison between the 1982, 1992, 2002, 2012, and 2022 surveys conducted in the same region using the same methodology (WJSAAC PhaseⅠ∼Ⅴ)
title_full_unstemmed	Surveys on the prevalence of pediatric asthma in Japan: A comparison between the 1982, 1992, 2002, 2012, and 2022 surveys conducted in the same region using the same methodology (WJSAAC PhaseⅠ∼Ⅴ)
title_short	Surveys on the prevalence of pediatric asthma in Japan: A comparison between the 1982, 1992, 2002, 2012, and 2022 surveys conducted in the same region using the same methodology (WJSAAC PhaseⅠ∼Ⅴ)
title_sort	surveys on the prevalence of pediatric asthma in japan a comparison between the 1982 1992 2002 2012 and 2022 surveys conducted in the same region using the same methodology wjsaac phasei∼v
topic	Prevalence Asthma Wheeze Allergic disease COVID-19
url	http://www.sciencedirect.com/science/article/pii/S1939455125000274
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Surveys on the prevalence of pediatric asthma in Japan: A comparison between the 1982, 1992, 2002, 2012, and 2022 surveys conducted in the same region using the same methodology (WJSAAC PhaseⅠ∼Ⅴ)

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