Table 2.

Subjects characteristics by race in the AHS-2 calibration sub-study (n=781)

Baseline Characteristics	Blacks (n=339)		Whites (n=442)
	% or Mean	SD	% or Mean	SD
Age***	58.56	12.80	62.37	13.69
Gender
Females (%) ***	69.91		63.12
Males (%)	30.09		36.88
BMI(kg/m2)***	29.17	6.53	26.51	5.44
Energy Intake(Kcal)***	1502.07	515.88	1737.10	493.20
β-sitosterol(mg)
FFQ	289.30*	160.40	273.40**	132.70
24HDR***	197.50	73.48	238.10	90.93
Campesterol(mg)
FFQ	63.48*	36.05	61.82	35.49
24HDR***	49.72	21.52	59.64	26.69
Stigmasterol(mg)
FFQ	59.41*	41.81	54.62**	37.41
24HDR***	39.89	27.02	44.69	28.91
Other phytosterol(mg)†
FFQ	27.49*	18.24	28.05**	13.78
24HDR***	8.47	3.26	9.00	3.10
Total phytosterol(mg)‡
FFQ	439.60*	242.20	417.90**	208.90
24HDR***	295.60	116.40	351.40	142.10

^†Sum of Δ5+ Δ7 avenasterol, avenasterol, brassicasterol, stanols, stigmastanol, sitostanol, campestanol and unknown

^‡Sum of β-sitosterol, campesterol, stigmasterol, other phytosterol

^§Average intake of these phytosterol was significantly different in FFQ compared with 24HDR in blacks:

^*P<0.05

^||Average intake of these phytosterol was significantly different in FFQ compared with 24HDR in whites:

^**P<0.05

^¶Statistical significantly different in blacks compared with whites:

^***P<0.05