Reduction of Depression Through Dual Treatment: Digital CBT & NBHWC Coaching

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The purpose of this study is to see if a mobile-delivered mental health program called Toivoa-002, which combines digital cognitive behavioral therapy (CBT) with personal coaching, can effectively reduce depression in adults with hearing or mobility disabilities. The study aims to answer whether this dual-intervention digital service is more effective at lowering depression symptoms over an 8-week period than a "sham" digital program that is developed to look similar but does not contain active therapeutic content. The investigators hypothesize that participants who use the Toivoa-002 program will show significantly greater reductions in depression compared to those using the sham program, and that these mental health benefits will last through a 12-week follow-up. Adults within the disability community frequently encounter unique environmental and societal barriers - such as limited physical accessibility, transportation challenges, and workplace inflexibility - that can directly drive or worsen depression. By offering a fully remote and accessible mobile tool, this study seeks to determine if a digital health service can deliver scalable, effective depression relief tailored to the lived experiences of people with disabilities.