Table 1.
Comparison between annotated (human) and jaw sensor-determined sucking counts, including errors for breast-fed and bottle-fed infants during the epochs and the course of the meal.
| Infant k |
Feeding mode |
Human counted sucks |
Sensor- determined sucks |
Human - annotated mean sucking count (per-epoch) |
Sensor- determined mean sucking count (per-epoch) |
Per-epoch mean count error (%) |
Per-meal mean count error ECNT (k) (%) |
Threshold (T) (Volts) |
|---|---|---|---|---|---|---|---|---|
| 1 | Breast-fed | 354 | 250 | 7.68 | 5.43 | 8.88 | 29.38 | 3.18 |
| 2 | Breast-fed | 774 | 701 | 8.70 | 7.88 | −10.07 | 9.43 | 2.65 |
| 3 | Breast-fed | 859 | 946 | 9.76 | 10.74 | −9.55 | −10.13 | 0.39 |
| 4 | Breast-fed | 979 | 748 | 12.39 | 9.47 | 18.53 | 23.60 | 1.69 |
| 5 | Breast-fed | 329 | 263 | 10.27 | 8.20 | 16.65 | 20.06 | 1.53 |
| 6 | Breast-fed | 641 | 696 | 7.17 | 9.95 | −15.15 | −8.58 | 0.68 |
| 7 | Bottle-fed | 416 | 577 | 10.02 | 12.61 | −40.95 | −38.70 | 0.24 |
| 8 | Bottle-fed | 662 | 833 | 13.12 | 14.15 | −36.61 | −25.83 | 0.13 |
| 9 | Bottle-fed | 1023 | 1104 | 10.57 | 12.17 | −14.61 | −7.92 | 0.15 |
| 10 | Bottle-fed | 603 | 694 | 7.28 | 7.90 | −14.29 | −15.09 | 0.25 |
| Mean: | −9.72 | −2.38 | 1.08 | |||||
| STD: | 20.03 | 22.33 | 1.11 | |||||
| Absolute Mean: | 18.52 | 18.87 | ||||||
| Absolute STD: | 11.17 | 10.44 | ||||||
Note: k represents infant number in the dataset. Per-epoch mean sucking count for infant k was computed by dividing total sucking count by the number of epochs.