Table 1 Performance data for each commercial bottle.
From: Monitoring fluid intake by commercially available smart water bottles
Bottle type | # missed recordings | Mean error ± SD (ml) | Sip MPE (%) | Sip MAE (ml) | Cumulative MPE (%) | Correlation coefficient (r) |
|---|---|---|---|---|---|---|
H2OPal | 5 | − 4.79 ± 21.66 | − 2.10 | 12.78 | 1.9 | 0.88 |
HidrateSpark steel | 7 | − 6.17 ± 20.05 | − 16.11 | 9.13 | − 24.1 | 0.88 |
HidrateSpark 3 | 8 | − 9.08 ± 15.24 | − 14.9 | 13.26 | − 13.3 | 0.94 |
Thermos Smart Lid | 16 | 2.5 ± 35.43 | 14.64 | 23.84 | 2.1 | 0.75 |
