Table II.

Study population (n = 633) by age, sex, and race, and baseline plasma lipids (means and SDs) by age, and sex, Project HeartBeat!

	8-year-old cohort		11-year-old cohort		14-year-old cohort
	Males	Females	Males	Females	Males	Females
Age (y)	8.5 (0.3)	8.5 (0.3)	11.5 (0.3)	11.5 (0.4)	14.4 (0.2)	14.4 (0.2)
Sex (n, %)	149 (49.5)	152 (50.5)	95 (51.1)	91 (48.9)	73 (50.0)	73 (50.0)
Black (n, %)*	37 (12.3)	41 (13.6)	20 (10.8)	17 (9.1)	7 (4.8)	11 (7.5)
Nonblack (n, %)*	112 (37.2)	111 (36.9)	75 (40.3)	74 (39.8)	66 (45.2)	62 (42.5)
TC (mg/dL)	163.1 (24.4)	163.6 (27.7)	165.0 (28.9)	159.4 (24.5)	149.3 (22.6)	159.4 (29.1)
LDL-C (mg/dL)	95.0 (22.2)	97.7 (25.5)	96.8 (25.5)	91.52 (23.9)	85.2 (20.6)	93.4 (27.7)
HDL-C (mg/dL)	54.2 (11.2)	50.7 (10.2)	51.2 (12.4)	50.7 (12.2)	45.2 (10.0)	48.9 (10.7)
TG (mg/dL)	69.3 (28.9)	75.5 (34.8)	84.8 (53.4)	85.8 (43.2)	93.7 (57.2)	85.3 (40.5)
Non-HDL-C (mg/dL)	108.9 (24.3)	112.85 (26.5)	113.8 (30.2)	108.7 (24.9)	104.0 (25.0)	110.5 (29.6)

^*Percentages are for the 4 race-sex groups within each cohort and add to 100% per cohort.