OBJECTIVES: Most currently available medication self-management support tools do not meet the needs of patients with limited health literacy. Recently, tools that are better tailored to the needs of patients with limited health literacy have been developed. This study aimed to assess the usability of an animated diabetes information tool by patients with diabetes with limited and adequate health literacy levels. METHODS: Participants with limited and adequate health literacy levels were selected based on three health literacy questions in a screening interview, and asked to use the tool three times a week, after which individual semistructured interviews were conducted. The interview topics were based on the technology acceptance model (i.e...