Effect of text messages to improve health literacy on medication adherence in patients with type 2 diabetes mellitus: A randomized controlled pilot trial
Hideki Sugita, Ryoji Shinohara, Hiroshi Yokomichi, Kohta Suzuki, Zentaro Yamagata
2017 Volume 79
It has been suggested that low health literacy (HL) is associated with poor medication adherence. This study aimed to examine the effect of a text message-based HL intervention to promote medication adherence , compared with text messages that only sent medication reminders, in patients with type 2 diabetes. This was a single-center, open-label, randomized (1:1) controlled pilot study. The study period was 6 months. Intervention group was sent HL related text messages, compared to the reminder messages that were sent to the control group. The primary outcome was the difference in the change rate of scores on the Morisky Eight-Item Medication Adherence Scale (MMAS-8). Forty-one participants were randomized into the intervention (n = 21) and control (n = 20) groups and completed the 6-month follow-up. Although almost participants read and understood the information provided in the messages, no significant difference was observed between groups for the primary outcome (p = 0.78). Our results suggested that medication adherence at 6 months after discharge in patients with type 2 diabetes did not significantly change by text messages, which aimed to improve their HL levels.
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