f)Looking specifically at income level and BMI is income levela substantial conf

f)Looking specifically at income level and BMI is income levela substantial confounding variable in the BMI Health scorerelationship? How do you know? Now looking at injury statusdoes it seem to be asubstantial confounding variable in the BMI Health scorerelationship? How do you know? What is the estimatedchange in health score for a one level increase in BMI controllingonly for income level? Controlling only for injurystatus?