Table 1. Glucose, insulin, and BMI overall and by subgroup.

		Race/ethnicity*				BMI percentile
	Overall	Hispanic	African American	Caucasian	Native American	<85th	85th to <95th	≥95th
n		862	379	247	44	876	341	501
BMI (kg/m2)	24.3 ± 5.9	24.8 ± 5.9	24.4 ± 6.3	22.3 ± 4.6	27.6 ± 6.9
			P < 0.0001
BMI percentile
<85th	51.0%	45.1%	52.0%	65.6%	37.2%
85th to <95th	19.8%	20.6%	20.9%	21.0%	16.3%
≥95th	29.2%	34.3%	27.1%	13.4%	46.5%
Fasting glucose (mg/dl)	98.2 ± 8.5	99.1 ± 9.2	96.5 ± 7.9	97.8 ± 7.5	99.6 ± 5.7	97.3 ± 7.0	98.3 ± 7.9	99.9 ± 10.8
			P = 0.0092				P = 0.0172†
Fasting glucose ≥100 mg/dl	40.5%	44.5%	32.4%	38.8%	45.5%	36.5%	42.1%	47.0%
Fasting glucose ≥110 mg/dl	6.2%	6.5%	6.2%	5.3%	6.8%	4.4%	6.7%	8.9%
Fasting insulin (μU/ml)	30.1 ± 19.1	33.5 ± 21.6	27.0 ± 15.5	24.4 ± 12.4	28.6 ± 14.0	22.5 ± 11.5	28.9 ± 16.4	44.8 ± 22.9
			P < 0.0001‡				p < 0.0001†‡
Fasting insulin ≥30 μU/ml	36.2%	44.3%	29.3%	20.5%	36.4%	16.0%	36.2%	72.3%
2-h glucose (mg/dl)	97.9 ± 21.9	96.9 ± 24.8	100.8 ± 17.4	95.4 ± 19.6	108.1 ± 22.5	93.2 ± 18.9	98.5 ± 18.6	105.8 ± 26.4
			P = 0.2126				P < 0.0001†
2-h glucose ≥ 140 mg/dl	2.3%	3.2%	1.3%	0.9%	7.3%	0.9%	3.4%	4.1%
2-h insulin (μU/ml)	102.1 ± 105.7	121.3 ± 131.4	90.6 ± 67.3	68.6 ±41.2	98.1 ± 89.4	76.1 ±48.7	102.5 ± 138.9	148.6 ± 133.4
			P < 0.0001†				P < 0.0001†‡

Data are means ± SD unless otherwise indicated.

^*n = 103 “other” race/ethnicity dropped from analysis.

^†P value based on testing both variables as continuous measures.

^‡Insulin log transformed for testing.