“…Additionally, 25 publications [ 32 - 36 , 38 - 43 , 46 - 51 , 54 - 59 , 62 , 63 ] included results on usability, 18 of which [ 32 , 33 , 35 , 36 , 38 - 43 , 48 , 49 , 51 , 54 , 56 , 57 , 62 , 63 ] were based on people’s experiences after having used the technology and 6 of which were based on expectations [ 34 , 46 , 50 , 55 , 58 , 59 ]. Only 1 study addressed usability results based on experiences as well as those based on expectations [ 47 ]. As for adherence, 8 publications included information about the intended use of the intervention [ 40 , 41 , 45 , 47 , 51 , 53 , 60 , 63 ], and 5 publications included information about expectations regarding components that could increase adherence [ 36 , 46 , 47 , 59 , 62 ] (see Multimedia Appendix 3 for a summary of the included publications).…”