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. Author manuscript; available in PMC: 2023 Mar 29.
Published in final edited form as: J Gerontol Nurs. 2021 Oct 1;47(10):15–22. doi: 10.3928/00989134-20210908-03

Table 1.

GPS-Based Life-Space Mobility Measures (N = 16 tracks)

Track Start Time End Time Activity Hours Total Distance (km) Median Speed (m/s) Median HR Hull Area (km2) Hours out of home Prop. time in home Avg In-Home Gait Speed (m/s)
1 3/25/2019 17:56 3/25/2019 19:20 1.39 18.64 12.21 93 25.27 1.26 0.09 1.61
2 3/26/2019 13:45 3/26/2019 14:01 0.27 7.42 16.50 65 4.55 0.25 0.06 0
3 3/26/2019 14:01 3/26/2019 20:24 6.38 14.50 0.18 78 5.69 5.57 0.13 0
4 3/27/2019 10:38 3/27/2019 11:11 0.55 0.45 0.17 97 0.002 0.55 1.00 0
5 3/27/2019 12:30 3/27/2019 20:06 7.61 17.29 0.22 80 5.66 6.78 0.11 0
6 3/28/2019 11:06 3/28/2019 13:08 2.03 2.00 0.17 107 0.002 2.03 1.00 0.01
7 3/28/2019 13:58 3/28/2019 17:08 3.17 24.83 7.79 94 14.33 2.56 0.19 1.4
8 3/28/2019 17:58 3/28/2019 20:01 2.05 34.48 12.27 109 31.36 1.93 0.06 0
9 3/29/2019 10:07 3/29/2019 13:22 3.25 25.26 8.33 85 17.88 2.35 0.28 1.33
10 3/29/2019 18:57 3/29/2019 20:06 1.14 4.58 0.12 97 1.75 0.46 0.60 0
11 3/30/2019 13:12 3/30/2019 14:43 1.53 1.10 0.17 83 0.002 1.53 1.00 0
12 3/30/2019 14:44 3/30/2019 15:29 0.75 0.92 0.178 89 0.01 0.04 0.95 1.44
13 3/30/2019 16:57 3/30/2019 17:59 1.04 15.82 14.33 76 6.43 1.03 0.01 1.31
14 3/31/2019 15:04 3/31/2019 18:14 3.16 9.15 0.16 91 6.18 2.48 0.22 0.01
15 4/1/2019 14:10 4/1/2019 20:00 5.83 19.79 0.12 75 5.77 5.17 0.11 0
16 4/2/2019 12:38 4/2/2019 20:00 7.37 38.62 0.24 76 27.37 6.77 0.08 0

Note. HR = heart rates, Prop. = proportion, m/s = meters per second, km = kilometers.