Table 1.

Characteristics of adolescent females nine to 14 years on O‘ahu, Hawai‘i participating in the Female Adolescent Maturation Study (n=148)

Characteristic	Time 1	Time 2	p-value†
Age (yr), mean±SD	11.1±1.4	13.1±1.4	<0.01
Energy intake (kcal/day), mean±SD	1800±443	1836±489	0.46
BMI percentile, mean±SD	59.7±29.4	58.2±27.73	0.20
BMI z-score, mean±SD	0.4±1.1	0.3±0.9	0.06
Age (yr), n (%)
9–10	59 (39.9)
11–12	57 (46.0)	58 (39.2)
13–14	32 (21.1)	56 (37.8)
15–16		34 (22.0)
Weight status, n (%)
Under- or healthy weight	105 (70.9)	115 (77.7)
Overweight	25 (16.9)	22 (14.9)
Obese	18 (12.2)	11 (7.4)
Race, n (%)
Mixed	84 (56.8)	N/A
Asian	39 (26.3)	N/A
White	25 (16.9)	N/A

SD: standard deviation; BMI: body mass index.

^†To compare Time 1 and Time 2, paired t test was used for continuous variables.