Table 3 Participant-level activity summaries by device using overlapping wear time (Scenario 1, n = 381)
From: Physical activity cut-points for older adults using the Zio XT onboard accelerometer
Sed. + Sleep (hrs/day) | Very Light (hrs/day) | Light (hrs/day) | Moderate – Vigorous | ||
|---|---|---|---|---|---|
(hrs/day) | (min/week) | ||||
Zio XT, Only Data Overlapping with GT3X Waking Wear Protocol | |||||
25th | 16.29 | 3.27 | 1.37 | 0.19 | 78 |
Median | 17.52 | 3.97 | 1.95 | 0.42 | 178 |
75th | 18.8 | 4.75 | 2.46 | 0.71 | 296 |
ActiGraph GT3X, Waking Wear Protocol | |||||
25th | 16.5 | 3.28 | 1.41 | 0.19 | 81 |
Median | 17.65 | 3.9 | 1.82 | 0.39 | 163 |
75th | 18.73 | 4.74 | 2.43 | 0.67 | 280 |
Pairwise Comparison | |||||
Pear. Cor | 0.846 | 0.752 | 0.719 | 0.768 | |
ICC | 0.846 | 0.752 | 0.719 | 0.769 | |
ICC 95% CI | (0.800, 0.880) | (0.689, 0.802) | (0.652, 0.770) | (0.684, 0.860) | |
Mean Diff | -0.015 | 0.015 | < 0.001 | 0.001 | 0.3 |
Mean Diff. 95% CI | (-0.116, 0.059) | (-0.065, 0.095) | (-0.060, 0.059) | (-0.032, 0.033) | (-13.4, 14.0) |
SD Diff | 1.002 | 0.791 | 0.592 | 0.324 | 136.1 |