Table 1.
Cross-sectional analysis |
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---|---|---|---|---|---|---|
Preadolescents |
Adolescents |
Adults |
||||
Whites | Blacks | Whites | Blacks | Whites | Blacks | |
n | 712 | 425 | 902 | 642 | 1,082 | 421 |
Age (years) | 4–11 | 4–11 | 12–17 | 12–17 | 18–38 | 18–38 |
BMI | 0.104** | 0.017 | 0.159*** | 0.115** | 0.219*** | 0.133** |
Waist circumference | 0.214*** | 0.112* | ||||
Systolic BP | 0.095* | 0.107* | 0.082* | 0.018 | 0.144*** | 0.032† |
Diastolic BP | 0.022 | 0.048 | 0.065 | −0.017 | 0.136*** | −0.028‡ |
Glucose | −0.081* | −0.085 | −0.051 | −0.139*** | −0.012 | 0.002 |
Log-insulin | 0.072 | 0.042 | 0.105** | −0.030‡ | 0.237*** | 0.097† |
Log-HOMA-IR | 0.051 | −0.018 | 0.052 | −0.041 | 0.192*** | 0.083 |
HDL cholesterol | −0.088* | −0.084 | −0.109** | −0.032 | −0.076* | −0.032 |
Log-triglycerides | 0.115** | 0.149** | 0.179*** | 0.140*** | 0.305*** | 0.122*† |
Heart rate | 0.156*** | 0.082 | 0.141*** | 0.152*** | 0.104** | 0.127** |
Uric acid | 0.046 | 0.033 | 0.096** | 0.071 | 0.148*** | 0.062 |
Longitudinal analysis |
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---|---|---|---|---|
Baseline |
Follow-up |
|||
Whites | Blacks | Whites | Blacks | |
n | 538 | 205 | 538 | 205 |
BMI | 0.180*** | 0.039 | 0.221*** | 0.086 |
Waist circumference | 0.197*** | 0.005† | 0.224*** | 0.028† |
Systolic BP | 0.139** | 0.055 | 0.134** | 0.190** |
Diastolic BP | 0.134** | −0.016 | 0.121** | 0.241*** |
HDL cholesterol | −0.075 | 0.050 | −0.129** | 0.009 |
Log-triglycerides | 0.163*** | 0.092 | 0.171*** | 0.071 |
Heart rate | 0.111** | 0.061 | 0.097* | 0.090 |
Uric acid | 0.134** | 0.034 | 0.119** | 0.007 |
Different from zero:
*P < 0.05;
**P < 0.01;
***P < 0.001. Racial difference:
†P < 0.05;
‡P < 0.01. BP, blood pressure; HOMA-IR, homeostasis model assessment of insulin resistance.