Table 1.

Subject characteristics

	Nonobese	Obese
Age, yr	25 ± 2	31 ± 3
Body weight, kg	62.6 ± 1.8	109.3 ± 3.8*
BMI, kg/m2	23 ± 1	38 ± 1*
Body fat, %	32.4 ± 2.4	51.4 ± 1.0*
Fat mass, kg	20.3 ± 2.1	56.3 ± 3.0*
Fat-free mass, kg	42.0 ± 1.1	52.9 ± 1.3*

Values are means ± SE. BMI, body mass index.

^*P < 0.001, obese vs. nonobese.