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. 2021 Feb 25;23(2):e23493. doi: 10.2196/23493

Table 3.

Number of metrics and metric combinations analyzed in 87 studies.

Number of metrics analyzed Studies analyzing stated metrics, n (%) Metric combinations
1 9 (10)

  • Patient use/adoption (n=9)
2 18 (21)

  • Patient use/adoption + intensity (n=9)

  • Patient use/adoption + frequency (n=4)

  • Patient use/adoption + duration (n=1)

  • Provider use + patient use/adoption (n=1)

  • Provider use + intensity (n=1)

  • Frequency + intensity (n=1)

  • Frequently + super user (n=1)
3 26 (30)

  • Patient use/adoption + frequency + intensity (n=9)

  • Patient use/adoption + frequency + duration (n=3)

  • Patient use/adoption + provider use + intensity (n=4)

  • Patient use/adoption + provider use + frequency (n=3)

  • Frequency + intensity + super user (n=1)

  • Provider use + frequency + duration (n=1)

  • Frequency + duration + intensity (n=1)

  • Patient use/adoption + intensity + super user (n=1)

  • Provider use + patient use/adoption + duration (n=1)

  • Patient use/adoption + duration + intensity (n=1)

  • Patient use/adoption + frequency + super user (n=1)
4 23 (26)

  • Patient use/adoption + frequency + intensity + super user (n=6)

  • Patient use/adoption + frequency + duration + intensity (n=6)

  • Provider use + patient use/adoption + duration + intensity (n=3)

  • Provider use + patient use/adoption + frequency + intensity (n=3)

  • Patient use/adoption + frequency + duration + super user (n=2)

  • Provider use + frequency + intensity + super user (n=1)

  • Patient use/adoption + provider use + frequency + super user (n=1)

  • Provider use + frequency + duration + intensity (n=1)
5 10 (11)

  • Provider use + patient use/adoption + frequency + intensity + super user (n=4)

  • Provider use + patient use/adoption + frequency + duration + intensity (n=4)

  • Patient use/adoption + frequency + duration + intensity + super user (n=1)

  • Provider use + frequency + duration + intensity + super user (n=1)
6 1 (1)

  • Provider use + patient use/adoption + frequency + duration + intensity + super user (n=1)