Darcy Ummels

(Re)design of a user ‐ friendly interface andevaluation of experiences in daily life | 89 4 Appendix 4.1 Important characteristics to create a meaningful user ‐ interface for elderly. Variable a Considered as critical References 1 Measurements are valid and reliable Yes (algorithm) 10,12,15,19–22 2 Activity tracker measures step count Yes (algorithm) 10,19,20,15,21,23–25 3 Activity tracker measures burned calories No 10,19,21–24,28 4 Activity tracker measures sleep No 10,19,12,15,28–30 5 Activity tracker measures distance walked Yes (algorithm) 10,15,21,30 6 Activity tracker measures active minutes Yes (algorithm) 10,21,30 7 Activity tracker measures posture No 10,22 8 Activity tracker measure swimming No 10,25 9 Activity tracker measures cycling Yes (algorithm) 10,25 10 Activity tracker measure heartrate No 10,19,28,30,31 11 Activity tracker measures blood pressure No 10,28,26,30,31 12 Activity tracker measures walk speed No 10 13 Activity tracker has option to track food and beverage intake No 10,12,23,24,31 14 Activity trackers provides real ‐ time feedback Yes 10 15 Activity tracker provides feedback in a day overview Yes 10,19,23,11 16 Activity tracker provides feedback in a week overview Yes 10 17 Feedback on the activity tracker itself Yes 10,19,23,11,27 18 Activity tracker is compatible with a smartphone Yes 10,27 19 Activity tracker is compatible with a computer Yes 10,27 20 Feedback is shown on the activity tracker with a maximum of one act Yes 10,28 21 Activity tracker provides positive motivating messages Yes 10,12,22–24,28,29,27,13 22 Activity tracker provides negative messages No 10 23 Text on the activity tracker is readable Yes 10,28,29 24 Buttons on the activity tracker are not too small (operable with one finger without pushing another button) Yes 10,15,25,28,29 25 Possibility to set an individual activity goal No 10,12,24,28,29,27,32 26 Possibility for physical help when installing the activity tracker No 10,28,31,13 27 No problems with logging in (not more than one attempt) Yes 10,21,28,29 28 No problems with synchronizing (not more than one attempt) Yes 10,15,21,23,28,29 29 Data can be shared Yes 10,21,22,26,32 30 The user can decide what data to share and to whom Yes 10,21,25,30,27,32 31 Data is not automatically shared with companies Yes 10 32 A manual is delivered with the activity tracker Yes 10,15,28,13 33 Dutch language is available on the activity tracker and interface Yes 10,25 34 Manual in Dutch language No 10,25 35 Activity tracker should be small (trouser pocket size) No 10 36 Activity tracker can be attached with a clip No 10,25 37 Activity tracker can be worn on trousers, pocket, or bra No 10,27,13 38 Activity tracker can be worn on wrist No 10,15,27,13 39 Activity tracker can be independently put on Yes 10,28 40 Activity tracker is made from comfortable material Yes 10,22,28,29 41 Activity tracker should not be visible No 10,19,23,25,28,29,27 42 Activity tracker should be fashionable No 10,22,23,28