The Effects of a Digital Mental Health Intervention in Adults With Cardiovascular Disease Risk Factors: Analysis of Real-World User Data

BackgroundThe American Heart Association has identified poor mental health as a key barrier to healthy behavior change for those with cardiovascular disease (CVD) risk factors such as high blood pressure, high cholesterol, and diabetes. Digital mental health interventions, li...

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Main Authors: Robert M Montgomery, Eliane M Boucher, Ryan D Honomichl, Tyler A Powell, Sharelle L Guyton, Samantha L Bernecker, Sarah Elizabeth Stoeckl, Acacia C Parks
Format: Article
Language:English
Published: JMIR Publications 2021-11-01
Series:JMIR Cardio
Online Access:https://cardio.jmir.org/2021/2/e32351
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author Robert M Montgomery
Eliane M Boucher
Ryan D Honomichl
Tyler A Powell
Sharelle L Guyton
Samantha L Bernecker
Sarah Elizabeth Stoeckl
Acacia C Parks
author_facet Robert M Montgomery
Eliane M Boucher
Ryan D Honomichl
Tyler A Powell
Sharelle L Guyton
Samantha L Bernecker
Sarah Elizabeth Stoeckl
Acacia C Parks
author_sort Robert M Montgomery
collection DOAJ
description BackgroundThe American Heart Association has identified poor mental health as a key barrier to healthy behavior change for those with cardiovascular disease (CVD) risk factors such as high blood pressure, high cholesterol, and diabetes. Digital mental health interventions, like those delivered via the internet to computers or smartphones, may provide a scalable solution to improving the mental and physical health of this population. Happify is one such intervention and has demonstrated evidence of efficacy for improving aspects of mental health in both the general population and in users with chronic conditions. ObjectiveThe objectives of this analysis of real-world data from Happify users with self-reported CVD risk factors, including high blood pressure and cholesterol, diabetes, and heart disease, were to examine whether these users would report improvements in subjective well-being and anxiety over time (H1) and use of Happify as recommended would be associated with significantly greater improvement in subjective well-being and anxiety over time compared to less-than-recommended usage (H2). MethodsData were obtained from existing Happify users who reported the aforementioned CVD risk factors. The sample included 1803 users receiving at least 6 weeks’ exposure to Happify (ranging from 42 days to 182 days) who completed at least one activity and two assessments within the app during that time. Subjective well-being was assessed with the Happify Scale, a 9-item measure of positive emotionality and life satisfaction, and anxiety was assessed with the Generalized Anxiety Disorder 2 (GAD-2). To evaluate H1, changes over time in both outcomes were assessed using mixed effects linear regression models, controlling for demographics and usage. For H2, an interaction term was added to the models to assess whether usage as recommended was associated with greater improvement over time. ResultsBoth hypotheses were supported. For both the Happify scale and GAD-2, the initial multivariable model without an interaction demonstrated an effect for time from baseline, and the addition of the interaction term between time and recommended use was significant as well. ConclusionsThis analysis of real-world data provides preliminary evidence that Happify users with self-reported CVD risk factors including high blood pressure or cholesterol, diabetes, and heart disease experienced improved well-being and anxiety over time and that those who used Happify as recommended experienced greater improvements in these aspects of mental health than those who completed fewer activities. These findings extend previous research, which demonstrated that engagement with Happify as recommended was associated with improved well-being among physically healthy users and in those with chronic conditions, to a new population for whom mental health is especially critical: those at risk of developing CVD.
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spelling doaj.art-c781bfd0c5fe457196a0ddc5507ad9322023-08-28T19:48:24ZengJMIR PublicationsJMIR Cardio2561-10112021-11-0152e3235110.2196/32351The Effects of a Digital Mental Health Intervention in Adults With Cardiovascular Disease Risk Factors: Analysis of Real-World User DataRobert M Montgomeryhttps://orcid.org/0000-0001-9637-9753Eliane M Boucherhttps://orcid.org/0000-0002-1384-7177Ryan D Honomichlhttps://orcid.org/0000-0002-0535-4268Tyler A Powellhttps://orcid.org/0000-0001-9349-8810Sharelle L Guytonhttps://orcid.org/0000-0002-0133-3128Samantha L Berneckerhttps://orcid.org/0000-0002-8803-3311Sarah Elizabeth Stoecklhttps://orcid.org/0000-0003-2719-2957Acacia C Parkshttps://orcid.org/0000-0001-6643-0116 BackgroundThe American Heart Association has identified poor mental health as a key barrier to healthy behavior change for those with cardiovascular disease (CVD) risk factors such as high blood pressure, high cholesterol, and diabetes. Digital mental health interventions, like those delivered via the internet to computers or smartphones, may provide a scalable solution to improving the mental and physical health of this population. Happify is one such intervention and has demonstrated evidence of efficacy for improving aspects of mental health in both the general population and in users with chronic conditions. ObjectiveThe objectives of this analysis of real-world data from Happify users with self-reported CVD risk factors, including high blood pressure and cholesterol, diabetes, and heart disease, were to examine whether these users would report improvements in subjective well-being and anxiety over time (H1) and use of Happify as recommended would be associated with significantly greater improvement in subjective well-being and anxiety over time compared to less-than-recommended usage (H2). MethodsData were obtained from existing Happify users who reported the aforementioned CVD risk factors. The sample included 1803 users receiving at least 6 weeks’ exposure to Happify (ranging from 42 days to 182 days) who completed at least one activity and two assessments within the app during that time. Subjective well-being was assessed with the Happify Scale, a 9-item measure of positive emotionality and life satisfaction, and anxiety was assessed with the Generalized Anxiety Disorder 2 (GAD-2). To evaluate H1, changes over time in both outcomes were assessed using mixed effects linear regression models, controlling for demographics and usage. For H2, an interaction term was added to the models to assess whether usage as recommended was associated with greater improvement over time. ResultsBoth hypotheses were supported. For both the Happify scale and GAD-2, the initial multivariable model without an interaction demonstrated an effect for time from baseline, and the addition of the interaction term between time and recommended use was significant as well. ConclusionsThis analysis of real-world data provides preliminary evidence that Happify users with self-reported CVD risk factors including high blood pressure or cholesterol, diabetes, and heart disease experienced improved well-being and anxiety over time and that those who used Happify as recommended experienced greater improvements in these aspects of mental health than those who completed fewer activities. These findings extend previous research, which demonstrated that engagement with Happify as recommended was associated with improved well-being among physically healthy users and in those with chronic conditions, to a new population for whom mental health is especially critical: those at risk of developing CVD.https://cardio.jmir.org/2021/2/e32351
spellingShingle Robert M Montgomery
Eliane M Boucher
Ryan D Honomichl
Tyler A Powell
Sharelle L Guyton
Samantha L Bernecker
Sarah Elizabeth Stoeckl
Acacia C Parks
The Effects of a Digital Mental Health Intervention in Adults With Cardiovascular Disease Risk Factors: Analysis of Real-World User Data
JMIR Cardio
title The Effects of a Digital Mental Health Intervention in Adults With Cardiovascular Disease Risk Factors: Analysis of Real-World User Data
title_full The Effects of a Digital Mental Health Intervention in Adults With Cardiovascular Disease Risk Factors: Analysis of Real-World User Data
title_fullStr The Effects of a Digital Mental Health Intervention in Adults With Cardiovascular Disease Risk Factors: Analysis of Real-World User Data
title_full_unstemmed The Effects of a Digital Mental Health Intervention in Adults With Cardiovascular Disease Risk Factors: Analysis of Real-World User Data
title_short The Effects of a Digital Mental Health Intervention in Adults With Cardiovascular Disease Risk Factors: Analysis of Real-World User Data
title_sort effects of a digital mental health intervention in adults with cardiovascular disease risk factors analysis of real world user data
url https://cardio.jmir.org/2021/2/e32351
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