Proactively Delivered Digital Mental Health Support for Health Care Workers: Usability and Acceptability Evaluation.

Publication date: Dec 09, 2025

Health systems are investing in mental health and well-being support tools and resources for health care workers (HCW). Considering the mental health strain facing HCWs, there is a need to optimize the current mental health delivery model. This study aimed to evaluate the usability and acceptability of a proactive digital mental health approach (Cobalt+;Penn Medicine), which included services proactively sent to HCWs via text messaging, including (1) monthly automated text messaging reminders and links to Cobalt, and (2) bimonthly text-message-based measures of depression and anxiety. This study used the System Usability Scale (SUS), Net Promoter Score (NPS), and open-ended questions to capture Cobalt+ participants who received proactive digital mental health tools and resources. Descriptive summary statistics were used for SUS and NPS outcome measures, and a chi-square test was used to detect group differences. Open-ended questions were analyzed using a qualitative open coding process by 2 coders. Research team members calculated interrater agreement (Cohen _705 above 0. 80). A total of 162 of 642 HCWs randomized to Cobalt+ (25. 2%) visited Cobalt due to a proactive text message and completed usability and acceptability measures. The mean age was 38. 9 years, most were female (90. 7%), 56. 8% White, 53. 1% married or partnered, and 34. 6% engaged in shift work. The mean SUS score was 74. 43 (median score 72. 5). Participants said they mostly “browsed” the online mental health platform. Cobalt+ received an NPS of 13. 7. When asked to elaborate on their experience, 2 categories (eg, positive and negative experiences) with 13 subcategories were identified. Most participants noted the brief process that helped prioritize mental health: “Forget otherwise. Puts in forefront of my mind,” and “Your texts do remind me to take stock of my current feelings. ” A proactive digital mental health approach may help overcome barriers in the uptake of services that are otherwise passively available to HCWs. This study demonstrated that the proactive approach is generally usable, modestly acceptable, and further supplemented by HCW feedback. These findings suggest the approach’s viability and the need for additional research toward improvement and broader implementation. ClinicalTrials. gov NCT05028075; https://clinicaltrials. gov/study/NCT05028075.

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