Research Article
Innovation through Wearable Sensors to Collect Real-Life Data among Pediatric Patients with Cardiometabolic Risk Factors
Table 1
Summary baseline statistics of Dyn@mo participant (
).
| | Variable | | Min | Max | Average | Std dev. |
| | Individual profile | | | | | | | Age | 34 | 6 | 17 | 11.1 | 3.1 | | BMI | 34 | 21.7 | 60 | 32.2 | 7.3 | | BMI for age/gender percentile | 34 | 94.8 | 99.9 | 98.59 | 1.26 | | zBMI | 30 | 1.96 | 4.79 | 3.16 | 0.71 | | Neighbourhood characteristics | | | | | | | Population density (km2) | 34 | 0.9 | 74735 | 7330 | 13551 | | Immigrants (%) | 34 | 0 | 71 | 18 | 21 | | With university degree (%) | 34 | 0 | 55 | 19 | 13 | | Household income ($) | 34 | 35.125
| 140.495 | 73.983 | 25.480 | | Greenness (mean NDVI) | 34 | −0.25 | 0.239 | 0.006 | 0.132 | | Street connectivity (4+ way intersections) (km²) | 34 | 0 | 85.05 | 19.89 | 23.19 | | Home-school road network distance (m) | 34 | 139 | 24.428 | 5.800 | 6.697 | | Device usage | | | | | | | Nb of valid accelerometer days (>10 h) | 34 | 1 | 8 | 5.59 | 1.62 | | Average time with accel. data per valid day | 34 | 10:35 | 15:08 | 12:54 | 0:59 | | Nb of days with heart rate data | 34 | 3 | 8 | 6.47 | 1.19 | | Nb of days with GPS data | 33 | 1 | 11 | 6.1 | 2.1 | | Daily average GPS time/recorded (hh:mm) | 33 | 01:09 | 19:04 | 11:47 | 04:55 | | Daily average GPS time/corrected (hh:mm) | 33 | 07:01 | 23:54 | 17:10 | 04:55 | | Daily average missing GPS time (hh:mm) | 33 | 00:05 | 16:58 | 06:49 | 04:09 | | Physical activity | | | | | | | Average number of steps per day | | | | | | | All days | 34 | 3.060 | 12.344 | 7.596 | 2.315 | | Weekdays | 34 | 2.334 | 13.488 | 7.771 | 2.497 | | Weekend days | 28 | 1.219 | 15.900 | 6.609 | 2.924 | | Time sedentary (hh:mm) | | | | | | | All days | 34 | 07:27 | 12:35 | 10:41 | 01:08 | | Weekdays | 34 | 07:27 | 13:23 | 10:49 | 01:14 | | Weekend days | 28 | 06:21 | 12:36 | 10:19 | 01:25 | | Time in light activity (>760 and <1951 counts/min) | | | | | | | All days | 34 | 00:35 | 02:39 | 01:36 | 00:33 | | Weekdays | 34 | 00:27 | 02:41 | 01:35 | 00:35 | | Weekend days | 28 | 00:21 | 02:49 | 01:36 | 00:37 | | Time in moderate to vigorous activity (>1951 counts/min) | | | | | | | All days | 34 | 00:07
| 01:17 | 00:36 | 00:19 | | Weekdays | 34 | 00:07 | 01:22 | 00:38 | 00:20 | | Weekend days | 28 | 00:00 | 01:46 | 00:25 | 00:19 | | Number of days with >30 min of moderate to vigorous activity | 34 | 0 | 7 | 2.91 | 2.08 | | Heart rate (beats per minute) | | | | | | | All days | 34 | 20 | 104 | 80.8 | 21.8 | | Weekdays | 34 | 24 | 106 | 81.8 | 21.7 | | Weekend days | 28 | 0 | 110 | 74.5 | 30.3 | | Spatial behaviour | | | | | | | GPS: weekly average of number of activity locations | 33 | 1 | 21 | 6.42 | 5.16 | | GPS: weekly average of visits | 33 | 1 | 52 | 17.18 | 12.095 | | Activity space size (km²) | | | | | | | All days | 33 | .0
| 1.094 | 25.69 (median) | 246.1 | | Weekdays | 32 | .0 | 1.036 | 18.28 (median) | 232.9 | | Weekend days | 29 | .0 | 316 | 1.69 (median) | 67.7 |
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