Adaptive Just-in-Time Intervention to Reduce Everyday Stress Responses: Protocol for a Randomized Controlled Trial
BackgroundPersonalized approaches to behavior change to improve mental and physical health outcomes are needed. Reducing the intensity, duration, and frequency of stress responses is a mechanism for interventions to improve health behaviors. We developed an ambulatory, dynami...
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JMIR Publications
2025-01-01
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| Series: | JMIR Research Protocols |
| Online Access: | https://www.researchprotocols.org/2025/1/e58985 |
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| author | Jillian A Johnson Matthew J Zawadzki Martin J Sliwinski David M Almeida Orfeu M Buxton David E Conroy David Marcusson-Clavertz Jinhyuk Kim Robert S Stawski Stacey B Scott Christopher N Sciamanna Paige A Green Emily M Repka Meynard John L Toledo Nicole L Sturges Joshua M Smyth |
| author_facet | Jillian A Johnson Matthew J Zawadzki Martin J Sliwinski David M Almeida Orfeu M Buxton David E Conroy David Marcusson-Clavertz Jinhyuk Kim Robert S Stawski Stacey B Scott Christopher N Sciamanna Paige A Green Emily M Repka Meynard John L Toledo Nicole L Sturges Joshua M Smyth |
| author_sort | Jillian A Johnson |
| collection | DOAJ |
| description |
BackgroundPersonalized approaches to behavior change to improve mental and physical health outcomes are needed. Reducing the intensity, duration, and frequency of stress responses is a mechanism for interventions to improve health behaviors. We developed an ambulatory, dynamic stress measurement approach that can identify personalized stress responses in the moments and contexts in which they occur; we propose that intervening in these stress responses as they arise (ie, just in time; JIT) will result in positive impacts on health behaviors.
ObjectiveThis study aims to (1) use an experimental medicine approach to evaluate the impact of a smartphone-delivered JIT stress management intervention on the frequency and intensity of person-specific stress responses (ie, stress reactivity, nonrecovery, and pileup); (2) evaluate the impact of the JIT intervention on the enactment of health behaviors in everyday life (physical activity and sleep); and (3) explore whether changes in stress responses mediate the interventions’ effects on health behaviors.
MethodsIn a 2-arm phase 2 clinical trial, we will enroll 210 adults in either a JIT stress management intervention or an active control condition. For 4 weeks, participants will complete 8 brief smartphone surveys each day and wear devices to assess sleep and physical activity. After a 1-week run-in period, participants will be randomized into the JIT intervention or an active control condition for 2 weeks. Participants in the JIT intervention will receive very brief stress management activities when reporting greater than typical stress responses, whereas control participants will receive no personalized stress management activities. Participants enrolled in both conditions will engage in self-monitoring for the entire study period and have access to a general stress management education module. Self-report outcomes will be assessed again 1 month after the intervention. We will use mixed-effects models to evaluate differences in person-specific stress responses between the intervention and control groups. We will conduct parallel analyses to evaluate whether the intervention is associated with improvement in health behavior enactment (ie, sleep and physical activity). The Pennsylvania State University Institutional Review Board approved all study procedures (STUDY00012740).
ResultsInitial participant recruitment for the trial was initiated on August 15, 2022, and enrollment was completed on June 9, 2023. A total of 213 participants were enrolled in this period. Data are currently being processed; analyses have not yet begun.
ConclusionsWe anticipate that this research will contribute to advancing stress measurement, thereby enhancing understanding of health behavior change mechanisms and, more broadly, providing a conceptual roadmap to advance JIT interventions aimed at improving stress management and health behaviors.
Trial RegistrationClinicaltrials.gov NCT05502575; https://clinicaltrials.gov/study/NCT05502575
International Registered Report Identifier (IRRID)DERR1-10.2196/58985 |
| format | Article |
| id | doaj-art-3745636be8c649a7b04c92f667b33bd7 |
| institution | Kabale University |
| issn | 1929-0748 |
| language | English |
| publishDate | 2025-01-01 |
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| spelling | doaj-art-3745636be8c649a7b04c92f667b33bd72025-01-22T22:00:36ZengJMIR PublicationsJMIR Research Protocols1929-07482025-01-0114e5898510.2196/58985Adaptive Just-in-Time Intervention to Reduce Everyday Stress Responses: Protocol for a Randomized Controlled TrialJillian A Johnsonhttps://orcid.org/0000-0003-1379-2150Matthew J Zawadzkihttps://orcid.org/0000-0001-6968-084XMartin J Sliwinskihttps://orcid.org/0000-0002-9611-7558David M Almeidahttps://orcid.org/0000-0002-5233-8148Orfeu M Buxtonhttps://orcid.org/0000-0001-5057-633XDavid E Conroyhttps://orcid.org/0000-0003-0204-4093David Marcusson-Clavertzhttps://orcid.org/0000-0002-0730-9954Jinhyuk Kimhttps://orcid.org/0000-0003-4218-1631Robert S Stawskihttps://orcid.org/0000-0002-0809-6372Stacey B Scotthttps://orcid.org/0000-0002-7060-4964Christopher N Sciamannahttps://orcid.org/0000-0002-1568-341XPaige A Greenhttps://orcid.org/0000-0001-7886-8924Emily M Repkahttps://orcid.org/0009-0004-8765-4046Meynard John L Toledohttps://orcid.org/0000-0003-0215-003XNicole L Sturgeshttps://orcid.org/0009-0009-2455-6824Joshua M Smythhttps://orcid.org/0000-0002-0904-5390 BackgroundPersonalized approaches to behavior change to improve mental and physical health outcomes are needed. Reducing the intensity, duration, and frequency of stress responses is a mechanism for interventions to improve health behaviors. We developed an ambulatory, dynamic stress measurement approach that can identify personalized stress responses in the moments and contexts in which they occur; we propose that intervening in these stress responses as they arise (ie, just in time; JIT) will result in positive impacts on health behaviors. ObjectiveThis study aims to (1) use an experimental medicine approach to evaluate the impact of a smartphone-delivered JIT stress management intervention on the frequency and intensity of person-specific stress responses (ie, stress reactivity, nonrecovery, and pileup); (2) evaluate the impact of the JIT intervention on the enactment of health behaviors in everyday life (physical activity and sleep); and (3) explore whether changes in stress responses mediate the interventions’ effects on health behaviors. MethodsIn a 2-arm phase 2 clinical trial, we will enroll 210 adults in either a JIT stress management intervention or an active control condition. For 4 weeks, participants will complete 8 brief smartphone surveys each day and wear devices to assess sleep and physical activity. After a 1-week run-in period, participants will be randomized into the JIT intervention or an active control condition for 2 weeks. Participants in the JIT intervention will receive very brief stress management activities when reporting greater than typical stress responses, whereas control participants will receive no personalized stress management activities. Participants enrolled in both conditions will engage in self-monitoring for the entire study period and have access to a general stress management education module. Self-report outcomes will be assessed again 1 month after the intervention. We will use mixed-effects models to evaluate differences in person-specific stress responses between the intervention and control groups. We will conduct parallel analyses to evaluate whether the intervention is associated with improvement in health behavior enactment (ie, sleep and physical activity). The Pennsylvania State University Institutional Review Board approved all study procedures (STUDY00012740). ResultsInitial participant recruitment for the trial was initiated on August 15, 2022, and enrollment was completed on June 9, 2023. A total of 213 participants were enrolled in this period. Data are currently being processed; analyses have not yet begun. ConclusionsWe anticipate that this research will contribute to advancing stress measurement, thereby enhancing understanding of health behavior change mechanisms and, more broadly, providing a conceptual roadmap to advance JIT interventions aimed at improving stress management and health behaviors. Trial RegistrationClinicaltrials.gov NCT05502575; https://clinicaltrials.gov/study/NCT05502575 International Registered Report Identifier (IRRID)DERR1-10.2196/58985https://www.researchprotocols.org/2025/1/e58985 |
| spellingShingle | Jillian A Johnson Matthew J Zawadzki Martin J Sliwinski David M Almeida Orfeu M Buxton David E Conroy David Marcusson-Clavertz Jinhyuk Kim Robert S Stawski Stacey B Scott Christopher N Sciamanna Paige A Green Emily M Repka Meynard John L Toledo Nicole L Sturges Joshua M Smyth Adaptive Just-in-Time Intervention to Reduce Everyday Stress Responses: Protocol for a Randomized Controlled Trial JMIR Research Protocols |
| title | Adaptive Just-in-Time Intervention to Reduce Everyday Stress Responses: Protocol for a Randomized Controlled Trial |
| title_full | Adaptive Just-in-Time Intervention to Reduce Everyday Stress Responses: Protocol for a Randomized Controlled Trial |
| title_fullStr | Adaptive Just-in-Time Intervention to Reduce Everyday Stress Responses: Protocol for a Randomized Controlled Trial |
| title_full_unstemmed | Adaptive Just-in-Time Intervention to Reduce Everyday Stress Responses: Protocol for a Randomized Controlled Trial |
| title_short | Adaptive Just-in-Time Intervention to Reduce Everyday Stress Responses: Protocol for a Randomized Controlled Trial |
| title_sort | adaptive just in time intervention to reduce everyday stress responses protocol for a randomized controlled trial |
| url | https://www.researchprotocols.org/2025/1/e58985 |
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