Table 1. Population Characteristics of 30 pregnant women.

Total no. of Subjects			N = 30
Age at enrollment (yrs)		Mean(SD)	25.2 (5.6)
		[Min, Max]	[18, 36.8]
			n	%
Race/Ethnicity	African American		24	80
		Caucasian (Non-Hispanic)	6	20
Site of Enrollment		Boston	6	20
		San Diego	6	20
		St. Louis	18	60
Self reported asthma		No	19	63
		Yes	11	37
Number of pregnancies, including VDAART		One	12	40
		Two	6	20
		> = 3	12	40
Treatment arm		(400 IU)	15	50
		(4,400 IU)	15	50
Baseline/Enrollment Vitamin D nmol/l (25 OHD)		Mean (SD)	47.2 (25.4)
		[Min, Max]	[16, 111.3]
Third trimester Vitamin D nmol/l (25 OHD)		Mean (SD)	79 (37.1)
		[Min, Max]	[24.9, 156.7]
ppBMI (n = 27)*		Mean (SD)	32.6 (8.8)
		[Min, Max]	[20.5, 53.4]

*ppBMI = pre-pregnancy body mass index