Table 1.
Descriptive statistics.
| Mean (SD) | |
|---|---|
| Wave 1 (N = 84) | |
| Age | 13.36 (0.95) |
| Male, % | 50% |
| African American, % | 95% |
| White, % | 4% |
| Hispanic, % | 1% |
| Household incomea | 5.22 (3.30) |
| Parental educationb | 4.67 (2.05) |
| BMI percentile | 74.15 (26.42) |
| Pubertal developmentc | 2.56 (0.57) |
| Systolic blood pressure | 113.04 (13.38) |
| 12‐h Sodium (mEq) | 72.24 (40.88) |
| 12‐h Potassium (mEq) | 17.68 (8.74) |
| 12‐h Creatinine (mg) | 744.96 (338.90) |
| 24‐h Creatinine/body weightd (mmol/kg/d) | 0.21 (0.09) |
| Depressive symptomse | 1.60 (0.47) |
| Wave 2 (N = 76) | |
| Age | 14.76 (0.97) |
| Depressive symptomse | 1.49 (0.41) |
a
A 13‐point scale from 1 (<$5,000/year) to 13 (>$90,000/year); mean corresponds to $20,000‐$25,000.
b
An 8‐point scale from 1 (less than 9th grade) to 8 (graduate or professional degree); mean corresponds to some college, no degree.
c
Average of 4 (girls) or 5 (boys) parent and youth rated items from 1 (puberty has not started) to 4 (puberty completed).
d
Prorated to 24‐h.
e
Average of 10 items rated 1 (less than 1 day a week) to 4 (5–7 days a week).