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. Author manuscript; available in PMC: 2018 Sep 1.
Published in final edited form as: Am J Med. 2017 Apr 26;130(9):1092–1098.e2. doi: 10.1016/j.amjmed.2017.03.038

Figure 1. Conceptual Framework.

Figure 1

Poor medication adherence is strongly associated with poor anticoagulation control which places patients at increased risk of hemorrhagic and thromboembolic events. A challenge in addressing poor medication adherence has been to readily identify patients with poor adherence in order to provide them with additional resources and targeted interventions. Previous studies have found prediction models of future adherence to be suboptimal, and objective measurement, through electronic pill monitoring to be accurate but impractical in routine clinical practice. Our study’s aim (dashed box) was to analyze the association between two quick and easily implemented self-reported adherence measurements, a visual analogue scale and change in 7-day pill recall, an anticoagulation control.