Abstract
BackgroundRural adolescents are vulnerable to asthma; good self-care can reduce morbidity. The subtypes of anxiety (eg, asthma-related, generalized) may have differential associations with asthma self-care. Low self-efficacy, a determinant of behavior, is associated with increased anxiety. Little is known regarding these relationships in rural adolescents. ObjectiveTo evaluate whether anxiety symptoms are associated with asthma symptom prevention and management among rural adolescents and whether self-efficacy mediates these relationships. MethodsWe used baseline data from 197 rural adolescents (mean age = 16 years; 69% girls; 62% Black) who were part of a trial that tested the effectiveness of a school-based asthma intervention. Adolescents completed the Youth Asthma-Related Anxiety Scale, Screen for Child Anxiety and Emotional Disorders, Asthma Management Self-efficacy Index, and Asthma Prevention and Management Indices. Linear regression was performed to test whether: (1) asthma-related and generalized anxiety had curvilinear relationships with self-care; (2) social and separation anxiety had linear relationships with self-care; and (3) self-efficacy mediated relationships. ResultsAsthma-related anxiety had a significant curvilinear relationship with prevention (P = 0.001) and a linear association with management (P = .01). Generalized anxiety had a significant curvilinear association with management (P = .03), whereas social anxiety had a significant linear relationship with prevention (P = .04). Self-efficacy partially or fully mediated these relationships. ConclusionAnxiety symptoms were associated with asthma self-care among this sample of rural adolescents, with differing roles for prevention and management. Self-efficacy may be a mechanism to improve asthma self-care among rural adolescents with anxiety. With a lack of self-efficacy, asthma-related, generalized, or social anxiety may motivate adolescents to take steps to care for their asthma.
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