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The Relationship between Depressive Symptoms, eHealth Literacy, and Asthma Outcomes in the Context of a Mobile Health Intervention.

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OBJECTIVE The ASTHMAXcel PRO mobile app provides asthma education and collects asthma outcome data. The objective of this study was to evaluate the associations between health/eHealth literacy and depressive symptoms… Click to show full abstract

OBJECTIVE The ASTHMAXcel PRO mobile app provides asthma education and collects asthma outcome data. The objective of this study was to evaluate the associations between health/eHealth literacy and depressive symptoms with app usage and clinical outcomes. METHODS Adults with persistent asthma were recruited to utilize the app. Participants completed the Patient Health Questionnaire-9 (PHQ-9) to assess for depressive symptoms, Asthma Control Test (ACT), Mini Asthma Quality of Life (QOL) Questionnaire, and the Newest Vital Sign (NVS) tool to measure health literacy. Data on a subset of participants were available on eHealth literacy (eHeals) (n = 24) and average number of app logins across 2 months (n = 40). RESULTS The total study sample included 96 participants (46% Non-Hispanic Black, 44.4% Hispanic). The average participant age was 44.0 (SD = 14.9) years, with 74% identifying as female. Increased depressive symptoms were associated with worse asthma control (β = -.46, p < .001) and asthma QOL (β = -.38, p < .001), but not eHealth literacy. Higher eHealth literacy was associated with worse asthma QOL (β = -.48, p = .02) and more app logins (β = .59, p = .04). NVS scores were not associated with any of the other measures. CONCLUSION Depressive symptoms were associated with worse asthma outcomes. eHealth literacy was associated with increased patient engagement with the app and worse asthma QOL, which may reflect patients with worse QOL seeking out health-information on the internet (although directionality could not be assessed). Digital health literacy may be key to increasing patient engagement with mobile health interventions.National Clinical Trial #03847142, https://clinicaltrials.gov/ct2/show/NCT03847142.

Keywords: asthma outcomes; health; literacy; depressive symptoms; worse asthma; ehealth literacy

Journal Title: Psychosomatic medicine
Year Published: 2023

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