Impact of digital health literacy on public health: an umbrella review

Abstract Background Digital health literacy (DHL) is increasingly important for public health initiatives in the digital era. However, its impact on public health outcomes remains unclear. This umbrella review synthesizes evidence on relationships between DHL and public health. Methods Electronic databases were searched from 2010 to January 2024 for reviews evaluating associations between DHL and public health outcomes. Two independent reviewers screened records and extracted data. Results were narratively synthesized and screened respect quality using Amstrar 2 check list. Results 12 reviews met the inclusion criteria. Higher population DHL was consistently linked to positive health behaviors like preventive screening uptake, medical adherence, chronic disease management, and vaccination. However, lower DHL correlated with health disparities and exacerbated risk of mis/disinformation. DHL interventions improved eHealth skills and health status. Conclusions Digital Health Ltieracy shapes engagement with digital public health tools and programs. Integrating DHL assessments into planning can help identify at-risk groups and optimize interventions. Developing population DHL through education represents an avenue to advance health equity and resilience against digital health threats. However, more evidence and more digital maturity of tools appear to be necessary. Key messages • Digital Health Literacy as milestone of next health generation. • Health outcomes are clearly linked to digital and digital health literacy.