“…The average numbers of interactions per week also varied between 3.5 [13], and 12 times per week [14]. The average percentage of people who wore the wearable device for the duration of the study ranged from 50-75% [15,16] and the percentage of people meeting a pre-specified threshold for adherence varied from 41.7-81.8% [7,9,12,17]. Although studies reported varying degrees of attrition [10, 13,18], dropout rate reporting was more frequent and ranged from 0-44% with a mean of 11.0% (SD = 11.4).…”