National trends in the prevalence of allergic diseases among Korean adolescents before and during COVID‐19, 2009–2021: A serial analysis of the national representative study

1Division of Allergy, Immunology and Rheumatology, Department of Internal Medicine, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan 2Division of Allergy, Immunology, and Rheumatology, Department of Internal Medicine, Taipei Medical University Hospital, Taipei, Taiwan 3Division of Allergy, Immunology, and Rheumatology, Department of Internal Medicine, Wan Fang Hospital, Taipei Medical University, Taipei, Taiwan 4Division of Allergy, Immunology, and Rheumatology, Department of Internal Medicine, Shuang Ho Hospital, Taipei Medical University, New Taipei City, Taiwan 5Division of Allergy, Immunology, and Rheumatology, Department of Internal Medicine, Taipei Veterans General Hospital, National YangMing University, Taipei, Taiwan 6Biostatistics Center, College of Management, Taipei Medical University, Taipei, Taiwan 7Department of Mathematics and Statistics, Idaho State University, Pocatello, Idaho, USA 8Graduate Institute of Data Science, College of Management, Taipei Medical University, Taipei, Taiwan Correspondence ChiChing Chang, Division of Allergy, Immunology and Rheumatology, Department of Internal Medicine, Taipei Medical University, 252 WuHsing Street, Taipei, Taiwan. Email: ccchang@tmu.edu.tw