Table 1.

Characteristics of Study Participants

	African-American (AA)	Hispanic (H)	Non-Hispanic White (NHW)
Number of Subjects	12	16	29
Age (years)	12.41±0.91	12.40±1.03	12.57±1.17
BMI Z-score	0.34±0.98	0.36 ±0.70	0.21 ±0.67
Waist Circumference (cm)	69.05±6.12	75.50±10.66	65.15±15.66
Estradiol (pg/mL)	77.46±92.82	68.00±86.86	49.76±34.00
Luteinizing Hormone (mIU/mL)	14.85±29.57	6.15±8.08	4.37±4.13
Self-Assessed Breast Tanner Stage	33% (4/12)	25% (4/16)	24% (7/29)
Percent post-menarchal	31% (4/13)	56% (9/16)	52% (14/29)

No significant racial or ethnic differences among groups in above variables, with all p-values >0.05 when comparisons of ethnic and racial groups means were adjusted for multiple comparisons using Tukey’s Honestly Significance Difference method.