Fig. 8: Demographic variable distributions for all subjects used in the analysis.
From: Pulse oximetry values from 33,080 participants in the Apple Heart & Movement Study
a Age, b BMI, c sex and race/ethnicity, d home altitude. Note that for age and BMI the y-axis representing subject counts uses a linear scale, while for sex and race/ethnicity groups and estimated home altitude the y-axis uses logarithmic scale for clarity.
