Background: Asthma is known to be associated with a variety of psychological disorders, such as anxiety, but the association between adolescent asthma and anxiety has not been investigated in detail. Methods: We analyzed 2,322 physician-diagnosed adolescent asthma patients and 38,696 non-asthmatic adolescent participants from the 2020 Korean Youth Risk Behavior self-administered Survey. Anxiety status was assessed using the Generalized Anxiety Disorder-7 (GAD-7) questionnaires. Multiple logistic regression analyses with complex sampling was performed with adjustments for multiple confounding variables (socioeconomic, health behavior, and psychological factors) to explore the association between GAD-7 scores and adolescent asthma. Results: The asthma group had higher rates of anxiety (GAD-7 score ≥ 10) than the non-asthma group (5.0 and 6.7, respectively; p<0.001). After adjustment for multiple confounders, asthma was significantly associated with an increased risk of anxiety (GAD-7 score ≥ 10) (odds ratio OR: 1.09; 95 confidence interval CI: 1.06-1.12). Conclusion: Asthma is associated with an increased prevalence of anxiety in Korean adolescents.
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