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. 2022 Jul 29;24(7):e34669. doi: 10.2196/34669

Table 4.

Model performance on cardiometabolic risk targets. Out-of-bag model performance for each of the 5 model types computed for the 4 targets. A smaller Brier score indicates a better performing model for a given target.


Baselinea, mean (SD) RestingHRb, mean (SD) HighRes.ActiveSegc, mean (SD) HighRes.SedenSegc, mean (SD) HighRes.SleepSegc, mean (SD) SummaryStats, mean (SD)
anyRISKoutof9 0.291 (−5.87×10−4) 0.258 (7.7×10−4) 0.253 (8.52×10−4) 0.239 (−9×10−4) 0.245 (8.43×10−4) 0.247 (7.66×10−4)
bp_abnormal 0.227 (4.79×10−4) 0.223 (5.61×10−4) 0.217 (7.88×10−4) 0.222 (8.14×10−4) 0.225 (8.32×10−4) 0.225 (7.9×10−4)
obesity 0.246 (6.64×10−4) 0.227 (7.91×10−4) 0.221 (8.92×10−4) 0.214 (9.34×10−4) 0.226 (8.64×10−4) 0.227 (8.54×10−4)
lipids_abnormal 0.271 (5.84×10−4) 0.261 (6.64×10−4) 0.238 (8.08×10−4) 0.225 (7.58×10−4) 0.241 (8.27×10−4) 0.236 (7.3×10−4)

aFor each risk target, the Brier scores of the baseline model were significantly different from those of all other models (P<.001).

bFor each risk target, Brier scores of the resting heart rate model (RestingHR) were significantly different from all other models (P<.001).

cFor each risk target, Brier scores of the 3 HighRes models were significantly different from each other (P<.001).