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. 2022 Apr 14;24(4):e33537. doi: 10.2196/33537

Table 2.

Adherence data resolution and definition captured by passive and active biometric monitoring technologies (BioMeTs).

Parameters Highest resolution adherence data Lowest resolution adherence data

Duration of use (based on a continuous variable) Number of measurements or days used (based on a continuous variable) Achievement of a goal (based on a binary variable)

Number of BioMeTs, n (%) Number of unique adherence definitions Number of BioMeTs, n (%) Number of unique adherence definitions Number of BioMeTs, n (%) Number of unique adherence definitions
Monitoring type

Passive 32 (64) 4 16 (70) 7 21 (57) 19

Active; session-based 18 (36) 1 0 (0) 0 6 (16) 2

Active; task-based N/Aa N/A 7 (30) 4 10 (27) 5
All BioMeTs 50 (100) 4b 23 (100) 8b 37 (100) 25b
All BioMeTs apart from sleep-disordered breathing 30 (60) 4 23 (100) 8 32 (86) 24

aN/A: not applicable.

bThese data are not simply the sum of the rows above, as there were instances where the same adherence definition was adopted for different tool types.