Table 1. Sample characteristics.

Age in months, mean (range)		25.7	(0–59)
Age Groups
	Newborn (<1 month)	82	(17%)
	1–11.9 months	66	(14%)
	1 year	75	(16%)
	2 years	85	(18%)
	3–4.9 years	166	(35%)
Sex
	Female	228	(48%)
Race
	Black	201	(42%)
	White	134	(28%)
	Asian	40	(8%)
	Multiple, Other or Not Reported	99	(21%)
Ethnicity
	Non-Hispanic	385	(81%)
	Hispanic	77	(16%)
	Not Reported	12	(3%)
Stature in cm, mean (range)		82.3	(42.5–119.0)
Head Circumference in cm, mean (range)		45.7	(31.4–55.3)
Arm Circumference in cm, mean (range)		15.4	(8.8–25.3)