TABLE 1.
Characteristics of the Study Population for Subsets Used for the Analysis of Each Outcome Measure
| Characteristic | BMI | WC | WC-to-Height Ratio | Body Fat, % | Cholesterol | HDL | Fasting LDL | Fasting TG | HOMA-IR | Fasting Glucose |
|---|---|---|---|---|---|---|---|---|---|---|
| N | 3370 | 3321 | 3321 | 775 | 3002 | 3002 | 782 | 783 | 664 | 675 |
| Age, y | 12.1 ± 3.7 | 12.1 ± 3.7 | 12.1 ± 3.7 | 13.0 ± 3.1 | 12.3 ± 3.5 | 12.3 ± 3.5 | 13.8 ± 3.1 | 13.8 ± 3.1 | 15.2 ± 1.9 | 15.2 ± 1.9 |
| Gender | ||||||||||
| Male | 51.0% (1730) | 50.7% (1705) | 50.7% (1705) | 50.1% (395) | 51.0% (1548) | 51.0% (1548) | 52.3% (419) | 52.2% (419) | 53.5% (368) | 53.6% (375) |
| Female | 49.0% (1640) | 49.2% (1616) | 49.2% (1616) | 49.9% (380) | 49.0% (1454) | 49.0% (1454) | 47.7% (363) | 47.9% (364) | 46.5% (296) | 46.4% (300) |
| Race/ethnicity | ||||||||||
| Non-Hispanic white | 60.8% (978) | 61.0% (967) | 61.0% (967) | 63.8% (211) | 60.5% (856) | 60.5% (856) | 64.1% (222) | 64.2% (223) | 63.2% (181) | 63.5% (186) |
| Non-Hispanic black | 14.5% (978) | 14.4% (958) | 14.4% (958) | 15.0% (272) | 14.1% (852) | 14.1% (852) | 14.7% (265) | 14.6% (265) | 15.2% (227) | 15.2% (231) |
| Mexican American | 12.7% (990) | 12.7% (976) | 12.7% (976) | 11.6% (240) | 13.2% (908) | 13.2% (908) | 11.2% (222) | 11.2% (222) | 11.5% (191) | 11.4% (193) |
| Other Hispanic | 5.1% (245) | 5.1% (243) | 5.1% (243) | 3.5% (18) | 5.3% (222) | 5.3% (222) | 5.4% (43) | 5.6% (43) | 5.2% (39) | 5.1% (39) |
| Other | 6.9% (179) | 6.9% (177) | 6.9% (177) | 6.1% (34) | 7.0% (164) | 7.0% (164) | 4.7% (30) | 4.7% (30) | 4.9% (26) | 4.9% (26) |
| Poverty-to-income ratio | 2.6 ± 1.5 | 2.6 ± 1.5 | 2.6 ± 1.5 | 2.6 ± 1.5 | 2.5 ± 1.5 | 2.5 ± 1.5 | 2.7 ± 1.5 | 2.7 ± 1.5 | 2.8 ± 1.5 | 2.8 ± 1.5 |
| Abnormal levels | 34.4% (1275)a; 17.8%; (707)b | 37.6%; (1308)c 18.2%; (686)d | 32.5% (1182)e | 16.4% (124)f | 9.4% (266)g | 6.2% (166)h | 6.4% (44)i | 10.2% (71)j | 16.3% (132)k | 16.0% (111)l |
| BPA medianm | 2.6 (1.3–4.9) | 2.6 (1.3–4.9) | 2.6 (1.3–4.9) | 3.9 (1.8–7.3) | 2.6 (1.3–4.8) | 2.6 (1.3–4.8) | 2.8 (1.3–5.8) | 2.8 (1.4–5.8) | 2.6 (1.3–5.9) | 2.7 (1.3–5.9) |
| Below level of detection | 4.5% (142) | 4.5% (140) | 4.5% (140) | 3.6% (28) | 4.5% (126) | 4.5% (126) | 3.3% (25) | 3.4% (25) | 3.4% (21) | 3.5% (21) |
Data presented as weighted percentage (unweighted n) or mean ± SD where appropriate. HOMA-IR, homeostasis model assessment of insulin resistance.
a
BMI ≥85%.
b
BMI ≥90%.
c
WC ≥75%.
d
WC ≥90%.
e
WC-to-height ratio ≥0.5.
f
Body fat BF% >85%.
g
Cholesterol ≥200 mg/dL.
h
HDL ≤35 mg/dL.
I
LDL ≥130 mg/dL.
j
TG ≥150 mg/dL.
k
HOMA-IR ≥4.39.
l
Fasting glucose ≥100 mg/dL.
m
Median (interquartile range).