Table 1.
Descriptive summary for accelerometer output from UMass and UTenn
| Percentiles (counts/s over the course of 1 min) |
METs |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Activity | Counts/min | Coefficient of Variation (per min) | 10th | 25th | 50th | 75th | 90th | Lag-1 Autocorrelation | Mean | SD |
| UMass | ||||||||||
| Washing dishes | 7 | 157.8 | 0 | 0 | 0 | 0 | 0 | 0.06 | 1.88 | 0.36 |
| Laundry | 144 | 194.9 | 0 | 0 | 0 | 1 | 7 | 0.41 | 2.27 | 0.36 |
| Dusting | 353 | 174.4 | 0 | 0 | 0 | 5 | 18 | 0.53 | 2.57 | 0.51 |
| Painting | 687 | 99.9 | 0 | 0 | 2 | 14 | 38 | 0.44 | 2.90 | 0.73 |
| Sweeping | 548 | 134.9 | 0 | 0 | 3 | 10 | 26 | 0.51 | 3.10 | 0.62 |
| Trimming | 267 | 144.7 | 0 | 0 | 1 | 5 | 13 | 0.43 | 3.16 | 0.63 |
| Vacuuming | 632 | 83.9 | 0 | 1 | 6 | 14 | 26 | 0.41 | 3.24 | 0.56 |
| Mopping | 676 | 80.5 | 0 | 1 | 7 | 17 | 28 | 0.43 | 3.55 | 0.76 |
| Gardening | 1,234 | 98.9 | 0 | 1 | 9 | 29 | 58 | 0.49 | 3.63 | 1.09 |
| Walk 1.34 m/s, 0% | 3,000 | 4.4 | 44 | 47 | 50 | 53 | 56 | 0.15 | 3.80 | 0.46 |
| Descending stairs | 3,476 | 9.4 | 26 | 46 | 62 | 72 | 80 | 0.11 | 3.88 | 0.78 |
| Raking | 602 | 74.7 | 1 | 2 | 5 | 14 | 26 | 0.39 | 4.08 | 1.07 |
| Moving boxes | 2,149 | 36.6 | 2 | 18 | 35 | 45 | 72 | 0.50 | 4.52 | 0.93 |
| Walk 1.56 m/s, 0% | 3,905 | 4.2 | 59 | 62 | 65 | 68 | 71 | 0.26 | 4.52 | 0.55 |
| Walk 1.34 m/s, 3% | 3,145 | 5.0 | 46 | 49 | 52 | 56 | 59 | 0.18 | 4.70 | 0.51 |
| Cleaning room | 3,396 | 39.1 | 7 | 22 | 48 | 84 | 117 | 0.38 | 4.79 | 1.10 |
| Mowing | 2,016 | 26.1 | 13 | 23 | 34 | 43 | 51 | 0.50 | 5.33 | 1.02 |
| Walk 1.56 m/s, 3% | 4,003 | 4.4 | 60 | 63 | 67 | 70 | 73 | 0.28 | 5.58 | 0.60 |
| Basketball | 4,642 | 23.3 | 20 | 40 | 68 | 101 | 143 | 0.09 | 8.33 | 2.35 |
| Run 2.23 m/s, 0% | 7,496 | 5.3 | 112 | 118 | 125 | 132 | 138 | 0.24 | 8.45 | 0.92 |
| Tennis | 3,412 | 33.1 | 15 | 29 | 50 | 77 | 106 | 0.36 | 9.01 | 1.85 |
| Ascending stairs | 3,041 | 11.0 | 27 | 40 | 52 | 62 | 71 | 0.22 | 9.62 | 1.65 |
| Run 2.23 m/s, 3% | 7,757 | 4.5 | 117 | 123 | 129 | 136 | 142 | 0.20 | 9.75 | 1.00 |
| UTenn | ||||||||||
| Driving | 26 | 141.3 | 0 | 0 | 0 | 0 | 0 | 0.29 | 0.78 | 0.17 |
| Television | 43 | 46.6 | 0 | 0 | 0 | 1 | 2 | 0.18 | 0.83 | 0.25 |
| Reading | 33 | 27.5 | 0 | 0 | 0 | 0 | 2 | 0.08 | 0.86 | 0.26 |
| Ironing | 59 | 100.9 | 0 | 0 | 0 | 0 | 2 | 0.31 | 1.90 | 0.45 |
| Gardening | 690 | 109.2 | 0 | 0 | 1 | 12 | 38 | 0.55 | 2.73 | 0.69 |
| Laundry | 512 | 131.0 | 0 | 0 | 1 | 8 | 27 | 0.59 | 2.76 | 0.84 |
| Light cleaning | 572 | 111.2 | 0 | 0 | 1 | 11 | 30 | 0.56 | 2.86 | 0.68 |
| Trimming | 470 | 102.4 | 0 | 0 | 3 | 10 | 21 | 0.49 | 2.91 | 0.76 |
| Road walk (1.49 m/s) | 3,933 | 17.2 | 47 | 60 | 68 | 73 | 79 | 0.77 | 4.04 | 0.58 |
| Frisbee golf | 3,060 | 36.2 | 9 | 29 | 49 | 64 | 89 | 0.49 | 4.05 | 0.49 |
| Track walk (1.52 m/s) | 3,987 | 14.6 | 56 | 63 | 67 | 72 | 76 | 0.57 | 4.19 | 0.67 |
| Load/unload boxes | 2,380 | 37.3 | 9 | 24 | 38 | 49 | 69 | 0.42 | 4.21 | 0.54 |
| Moving dirt | 1,707 | 53.8 | 1 | 7 | 22 | 42 | 64 | 0.49 | 4.21 | 0.93 |
| 15-lb. bag walk | 3,817 | 22.1 | 51 | 55 | 62 | 71 | 79 | 0.50 | 4.92 | 1.26 |
| Aerobics | 2,781 | 58.5 | 8 | 17 | 34 | 61 | 106 | 0.65 | 6.20 | 1.39 |
| Tennis | 4,385 | 42.7 | 15 | 35 | 71 | 102 | 132 | 0.57 | 8.68 | 1.56 |
| Road run (2.70 m/s) | 6,286 | 21.5 | 82 | 98 | 108 | 116 | 122 | 0.59 | 10.51 | 2.64 |
| Track run (2.73 m/s) | 7,618 | 13.2 | 112 | 119 | 129 | 138 | 145 | 0.41 | 11.17 | 2.60 |
METs, metabolic equivalents; UMass, University of Massachusetts; UTenn, University of Tennessee.