Digital Empowerment in Mental Health in Tanzania (The DIMENSION study): Enhancing Healthcare Capacity by Innovative Digital Solutions in HIV patients

project summary

Mental health disorders are a major global health concern. In low-income countries like Tanzania, they are often overlooked and underdiagnosed. Common mental disorders, es-pecially depression, affect a large proportion of the population—particularly people living with HIV. Depression prevalence in this group is up to five times higher than in the general population, driven by biological, psychological, and social factors, including stigma, and reduced access to care. With fewer than 70 psychiatrists nationwide and limited mental health training for healthcare workers, many patients are undiagnosed and untreated.
The DIMENSION study (Digital Empowerment for Mental Health in Tanzania) seeks to ad-dress this gap to leave no one behind by developing and adapting a digital training plat-form to strengthen capacity of health care workers in identifying and managing depression. Targeting HIV clinics at the primary care level, the project leverages existing healthcare infrastructure to deliver scalable, sustainable mental health services. Led by researchers from Tanzania and Denmark, DIMENSION develops and adapts digital tools into a culturally relevant, web-based format suitable for both urban and rural settings.
Through a stepped-wedge randomized controlled trial across 20 HIV clinics in Dar es Sa-laam and Mwanza, over 140 health care workers will be trained using digital modules. These include content on psychoeducation, structured activity planning, sleep regulation, cognitive behavioral strategies, and relapse prevention. Evaluation of the effect will include clinical and psychosocial outcomes, e.g., health care workers detection, knowledge on de-pression and attitudes, stigma, and patient-reported mental health, well-bring and quality of life.
The DIMENSION study incorporates qualitative interviews with healthcare workers and patients to explore experiences, perceptions, and barriers related to mental health care. These insights will guide the cultural adaptation of the digital training platform and ensure its relevance and acceptability. The qualitative data will complement quantitative findings and inform recommendations for broader implementation.
By embedding digital mental health care into HIV services and supporting long-term capac-ity building—including PhD training, research infrastructure, and stakeholder engagement—DIMENSION addresses critical service gaps with context-sensitive, data-driven innovations.