Table 1. Participant characteristics.

	Young	Middle-aged	Older 1	Older 2
Age (y)	22 ± 3	50 ± 2**	70 ± 4**,††	74 ± 3**,††,‡‡
Weight (kg)	77.8 ± 10.8	83.9 ± 9.8	88.5 ± 13.7*	85.7 ± 11.7
BMI (kg/m2)	24 ± 3	26 ± 38	28 ± 4**	28 ± 4**
Fat mass (%)	18.8 ± 7.8	23.9 ± 6.1*	NC	28.4 ± 4.8**,†
Lean mass (%)	76.9 ± 7.7	72.9 ± 5.8	NC	67.6 ± 4.6**,††
HOMA-IR	1.28 ± 0.67	1.11 ± 0.51	NC	1.31 ± 0.56
HDL (mmol/L)	1.35 ± 0.28	1.19 ± 0.28	NC	1.30 ± 0.34
LDL (mmol/L)	2.8 ± 0.74	3.2 ± 0.94	NC	3.01 ± 0.94
TRIG (mmol/L)	1.02 ± 0.50	1.45 ± 0.60*	NC	1.19 ± 0.62

Data are mean ± standard deviation for n=26 per group except for body composition measurements where data was not available for a young (n=25) and middle-aged (n=25) participant. NC=not collected; BMI= body mass index; HDL= high density lipoprotein; LDL=low density lipoprotein; TRIG= triglycerides; ^*p<0.05 vs Young, ^**p<0.001 vs Young, ^†p<0.05 vs Middle-aged, ^††p<0.01 vs Middle-aged, ^‡‡p<0.01 vs Older 1.