Table 1. Weighted descriptive characteristics, ages 6–19 NHANES 2003–2010 (n = 8417).
| Mean/ proportion | 95% C.I | |
| Seropositive for EBV | 66.5% | (64.3–68.7) |
| Age | 12.80 | (12.6–12.9) |
| Male | 51.8% | (50.3–53.2) |
| Female | 48.2% | (46.8–49.7) |
| Race/ethnicity | ||
| White | 60.0% | (55.8–64.1) |
| Black | 14.6% | (12.3–17.0) |
| Mexican American | 13.6% | (10.8–16.3) |
| Other race | 11.8% | (9.8–13.8) |
| Weight status | ||
| Under/normal | 58.8% | (57.1–60.5) |
| Overweight | 19.7% | (18.5–20.8) |
| Obese | 14.2% | (13.0–15.4) |
| Household income | ||
| 4th (Lowest) quartile | 17.8% | (15.8–19.9) |
| 3rd quartile | 22.9% | (21.0–24.7) |
| 2nd quartile | 23.2% | (21.2–25.3) |
| 1st (Highest) quartile | 36.0% | (32.8–39.3) |
| Household reference education | ||
| <High school | 19.8% | (17.8–21.7) |
| Complete high school | 25.0% | (22.8–27.3) |
| >High school | 55.2% | (52.7–57.7) |
| Country of birth | ||
| US | 93.3% | (92.3–94.2) |
| Other country | 6.7% | (5.8–7.7) |
| Household smoker | ||
| No smoker in household | 80.7% | (78.5–83.0) |
| Smoker in household | 19.3% | (17.0–21.5) |
| Household size | ||
| <5 | 80.7% | (78.5–83.0) |
| 5–6 | 34.2% | (32.6–35.8) |
| >6 | 8.5% | (7.1–9.9) |