Figure 1.

The interaction between obesity indexes (BMI and waist circumference) and cardiorespiratory fitness, as measured by calculated VO₂max. A: The interaction between BMI and VO₂max in men and women. For the for interaction between BMI*sex and VO₂max in the adjusted multivariate linear regression models P = 0.057. Abbreviation: BMI = Body Mass Index. R² - a measure of goodness-of-fit in linear regression. B: The interaction between waist circumference and VO₂max in men and women. For the interaction between WC*sex and VO₂max in the adjusted multivariate linear regression models P = 0.063. Abbreviation: WC = waist circumference. R² - a measure of goodness-of-fit in linear regression.