Figure 3:

Intermediate steps of transforming cross-modal data into a bio-variables or health state (for cardiovascular health in this work). Research question 1 delves into taking wearable data streams and producing a single biological variable of VO2 Max (CRF equivalent). Research question 2 takes a much larger set of data streams to produce multiple biological variables that can then be used to approximate a health state of the individual. Unshaded additional data streams, information, biological variables, and health states are not addressed in detail but shown to demonstrate future potential.