Blood pressure self-measurement (BPSM) requires patients to follow a range of recommendations in order to be considered\r\nreliable for diagnostic use. We investigated currently used BPSM interventions at four medical clinics combined with an online\r\nquestionnaire targeting BPSM users. We found that the participating healthcare personnel perceived BPSM as a relevant and\r\nuseful intervention method providing that the recommendations are followed. A total of six challenges were identified: (1) existing\r\ndevices do not guarantee that the recommendations are followed, (2) healthcare providers cannot verify whether self-monitoring\r\npatients follow the recommendations, (3) patients are not aware of all recommendations and the need to follow them, (4) risk\r\nof patient induced reporting bias, (5) risk of healthcare provider induced data-transfer bias, and (6) risk of data being registered\r\nas belonging to the wrong patient. We conclude that existing BPSM interventions could be significantly affected by user-induced\r\nbias resulting in an indeterminable quality of the measurement data. Therefore, we suggest applying context-aware technological\r\nsupport tools to better detect and quantify user errors. This may allow us to develop solutions that could overcome or compensate\r\nfor such errors in the future.
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