European Psychologist Vol. 24, Iss. 1,  (2019): 68-81. DOI:10.1027/1016-9040/a000350 The objective of this paper is to synthesize and update findings from systematic review on health literacy and health outcomes among patients with long-term conditions, and extend the review to the digital domain. Health outcomes include clinical outcomes, processes of care, and health service use.. To read the full article, log in using your NHS OpenAthens details.