A pilot study of user satisfaction and perceived helpfulness of the Swedish version of the mobile app PTSD Coach

Martin Cernvall, Josefin Sveen, Kerstin Bergh Johannesson, Filip Arnberg, Martin Cernvall, Josefin Sveen, Kerstin Bergh Johannesson, Filip Arnberg

Abstract

Background: There is a need for accessible interventions in the aftermath of traumatic events with documented efficacy for preventing or reducing negative mental health consequences. The PTSD Coach is a mobile app that has shown to be effective in reducing symptoms of posttraumatic stress (PTSS). Objective: The purpose of the current study was to evaluate the user satisfaction, perceived helpfulness and potential reductions of PTSS and symptoms of depression among participants using the Swedish version of the PTSD Coach. Method: This was an uncontrolled pre-test post-test open trial including participants recruited from the community via advertisement and from an ongoing observational study who had experienced a potentially traumatic event in the last five years. Participants had access to the Swedish PTSD Coach app for four weeks. Results: Eleven participants (mean age = 38.6, female = 8) completed the study. Nine of the participants met criteria for full or partial PTSD. Results from the PTSD Coach Survey indicated that participants found the app slightly to moderately helpful and were slightly to moderately satisfied with the app. Nominal but not statistically significant reductions of medium effect sizes in PTSS (PCL-5) and depression (PHQ-9) from pre- to post-assessment were found. In interviews, participants indicated that they found elements such as learning about PTSD, breathing exercises and monitoring symptoms helpful in managing symptoms. However, several participants indicated that they had not used the app as much as they had intended to. Participants also had suggestions for improvements such as enhanced app structure and better guidance regarding how to use the app. Conclusions: The perceived helpfulness and user satisfaction were slightly lower compared to research on the original version of the app. Experiences from the study are discussed and a future controlled study of the Swedish version of the PTSD Coach is suggested.

Keywords: PTSD Coach; Posttraumatic stress; mobile apps; mobile phone intervention; smartphones; • Participants found the Swedish version of the PTSD Coach slightly to moderately helpful.• There were nominal but statistically non-significant reductions of symptoms of PTSD and depression with medium effect sizes.• Participants had suggestions for improvement of the app..

Figures

Figure 1.
Figure 1.
Participant flow through the study.

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Source: PubMed

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