Table 1.

Definition of terms used in paper

Term	Definition
normal BMI/Insulin sensitive (nBMI/IS)	BMI<25, HOMA IR< 75%tile for cohort (<1.84)
high BMI/Insulin sensitive (hBMI/IS)	BMI≥25, HOMA-IR< 75%tile for cohort (<1.84)
normal BMI/Insulin resistant (nBMI/IR)	BMI<25, HOMA-IR≥ 75%tile for cohort (≥1.84)
high BMI/lnsulin resistant (hBMI/IR)	BMI≥25, HOMA-IR≥ 75%tile for cohort (≥1.84)
low baseline fitness	Y0 treadmill time < 33%tile for sex (<676 sec for men, < 468 sec for women)
average-high baseline fitness	Y0 treadmill time ≥ 33%tile for sex (≥ 676 sec for men, ≥ 468 sec for women)
maintained fitness	Change in treadmill time (Y20–Y0): Increase or decline ≤20%tile for sex (increase or decline≤112 sec in men, ≤60 sec in women)
decreased fitness	Change in treadmill time (Y20–Y0): Decline >20%tile for sex (decline > 112 sec in men, > 60 sec in women)