Table 1:

Baseline characteristics for subjects with obesity (OB) and normal-weight controls (NWC)

Baseline Characteristics	OB	NWC	p-value
	n=21	n=50
Age, years	17.82 ± 0.64	19.04 ± 0.36	0.107
Race (white/black/Asian/others)	15/2/1/3	31/4/9/6	0.337
Height, cm	164.23 ± 1.43	163.50 ± 0.89	0.666
Height z-score for those under 20 years	0.42 ± 0.30	0.16 ± 0.17	0.471
Weight, kg	115.67 ± 3.85	57.02 ± 0.79	<0.0001
Weight z-score for those under 20 years	2.57 ± 0.07	0.10 ± 0.11	<0.0001
BMI, kg/m 2	42.76 ± 1.10	21.33 ± 0.25	<0.0001
BMI z-score	2.38 ± 0.04	0.32 ± 0.10	<0.0001
Physical activity, hours/week	4.75 ± 0.72	6.69 ± 0.89	0.0927
Age at menarche, years	11.00 (10.88,13)	12.75 (12,13)	0.022
Bone age for those under 18 years, years	17.00 (16.50, 17.00)	16.00 (14.63, 16.38)	0.011
Calcium, mg/dL	9.18 ± 0.07	9.06 ± 0.11	0.321
25OHD, ng/mL	22.5 (18.73, 28.75)	24 (19.7, 32.15)	0.388
Breast Tanner stage (1/2/3/4/5)	0/1/0/1/17	0/0/3/5/42	0.243

Data presented as mean ± SEM or median (interquartile range)

Significant p values of <0.05 are bolded

BMI: Body Mass Index; 25OHD: 25-hydroxycholecalciferol