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Trend of asthma prevalence and risk factors in the 20s age band in South Korea

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Abstract
Background & Aims: The prevalence of asthma has increased in many countries. However, whether asthma prevalence may only be true in a specific age band is not well known. Thus, we analyzed the increase in asthma prevalence according to age band and analyzed the related factors.
Methods: We analyzed the trend of asthma prevalence according to 10-year age band intervals by using 2007 to 2018 data from the Korean National Health and Nutrition Survey. We determined the presence of subject-reported, physician-diagnosed asthma in 89 179 subjects. Multiple logistic regression analyses with a complex sample design were conducted to identify the risk factors for asthma. 
Results: Among all age ranges, only the 20s age band showed an increase in the trend of asthma prevalence from 0.7% in 2007 to 5.1% in 2018 (p-value < 0.001 for joinpoint regression). Among the 7478 subjects in the 20s age band, 52.6% were male, 42.0% were ever-smokers, 21.2% had allergic rhinitis, 8.4% had atopic dermatitis, and 24.5% were obese. Multiple logistic regression analysis showed that asthma was related to allergic rhinitis (odds ratio [OR] 2.78; 95% confidence interval [CI], 2.03–3.81) and atopic dermatitis (OR, 4.13; 95% CI, 2.85–5.98), but not to male sex, ever-smoking, obesity, or other covariates.

Conclusions: From 2007 to 2018, the prevalence of asthma significantly increased in the 20s age band in South Korea. This may be related to the increase in the cases of allergic rhinitis and atopic dermatitis.
Author(s)
전다솜
Issued Date
2022
Awarded Date
2022-02
Type
dissertation
Keyword
Public dataallergic rhinitisatopic dermatitisphysician-diagnosed asthmaKorean National Health and Nutrition Survey
URI
https://oak.ulsan.ac.kr/handle/2021.oak/10009
http://ulsan.dcollection.net/common/orgView/200000604527
Alternative Author(s)
Jeon Da Som
Affiliation
울산대학교
Department
일반대학원 의학과
Advisor
오연목
Degree
Master
Publisher
울산대학교 일반대학원 의학과
Language
eng
Rights
울산대학교 논문은 저작권에 의해 보호 받습니다.
Appears in Collections:
Medicine > 1. Theses (Master)
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