TABLE 1.

Participant characteristics.

Measurement	Eumenorrheic Women (n = 28)	OC Users (n = 10)	P
Age (yr)	23.8 ± 2.7	23.7 ± 2.0	0.89
Body mass (kg)	66.5 ± 6.7	64.5 ± 8.9	0.46
Height (cm)	170.6 ± 6.2	167.2 ± 6.4	0.13
BMI (kg·m−2)	22.9 ± 2.0	23.1 ± 2.5	0.81
Age at first menstruation (yr)	12.7 ± 1.5	13.2 ± 0.6	0.32
Life time using OC (months)	31.9 ± 44.1	64.5 ± 26.2	0.02
FFM (kg)	43.8 ± 4.0	42.8 ± 4.6	0.47
FFMleg (kg)	15.2 ± 1.7	15.1 ± 2.2	0.50
Body fat (%)	30.2 ± 4.8	29.6 ± 6.0	0.77
FMleg (%)	33.2 ± 3.7	32.8 ± 5.9	0.84

Values are presented as mean ± SD. P values less than 0.05 indicating group differences are reported in bold.

FM, fat mass; FFM, fat-free mass.