Table 2.
Agreementa between self-reported hepatitis A vaccination status and HAV serological test result by selected characteristics medical examination participants: NHANES 2007–2012 Aged ≥20 years (n = 13,651).
| Characteristic | nb | Number in agreement | Weighted % in agreement (95% CI) | χ2 p-value |
PPV (%) (95% CI) | NPV (%) (95% CI) |
|---|---|---|---|---|---|---|
| Total | 13,651 | 7507 | 63.6 (61.9–65.2) | 47.0 (44.2–49.8) | 69.4 (67.0–71.8) | |
| Age at interview (years) | ||||||
| 20–29 | 2154 | 1217 | 59.1 (55.9–62.2) | <.001 | 37.9 (34.5–41.5) | 76.9 (72.2–81.0) |
| 30–39 | 2235 | 1381 | 65.3 (62.5–68.0) | 46.1 (41.2–51.1) | 74.8 (71.3–78.0) | |
| 40–49 | 2327 | 1427 | 69.1 (66.4–71.7) | 45.4 (39.8–51.1) | 76.8 (73.6–79.8) | |
| 50–59 | 2202 | 1256 | 68.2 (64.7–71.4) | 51.7 (46.4–57.1) | 72.1 (67.8–76.0) | |
| 60+ | 4733 | 2226 | 57.8 (55.0–60.6) | 64.7 (58.2–70.6) | 56.6 (53.2–59.9) | |
| Sex | ||||||
| Male | 6635 | 3677 | 64.3 (62.3–66.2) | .168 | 48.6 (45.1–52.1) | 69.8 (67.0–72.4) |
| Female | 7016 | 3830 | 62.9 (60.9–64.8) | 45.6 (42.3–48.8) | 69.1 (66.6–71.6) | |
| Race/ethnicity | ||||||
| Mexican-American | 2016 | 688 | 36.4 (33.7–39.2) | <.001 | 71.5 (65.9–76.5) | 21.8 (18.5–25.4) |
| White non-Hispanic | 6217 | 4208 | 71.0 (69.0–72.9) | 39.8 (36.1–43.7) | 80.6 (78.2–82.8) | |
| Black non-Hispanic | 2877 | 1545 | 56.7 (53.7–59.7) | 42.5 (38.4–46.8) | 63.1 (59.5–66.6) | |
| Poverty index | ||||||
| Below poverty | 2751 | 1316 | 52.7 (49.3–56.1) | <.001 | 47.2 (41.8–52.7) | 55.3 (50.1–60.4) |
| At or above poverty | 9760 | 5690 | 66.2 (64.5–67.9) | 46.6 (43.2–50.0) | 72.9 (70.7–75.0) | |
| Education | ||||||
| <High school | 3660 | 1404 | 46.4 (43.5–49.3) | <.001 | 57.2 (51.3–62.8) | 43.4 (39.2–47.7) |
| High school/GED | 3170 | 1802 | 64.5 (61.6–67.3) | 39.3 (34.4–44.4) | 70.6 (67.3–73.8) | |
| >High school | 6806 | 4296 | 68.4 (66.6–70.1) | 46.8 (43.7–49.8) | 77.7 (75.6–79.7) | |
| Place of birth | ||||||
| United States | 9982 | 6236 | 68.8 (67.2–70.3) | <.001 | 39.1 (36.0–42.3) | 78.5 (76.5–80.4) |
| Elsewhere | 3662 | 1270 | 38.4 (36.1–40.7) | 75.8 (71.4–79.7) | 20.0 (17.2–23.1) | |
| Health insurance | ||||||
| Any | 10,377 | 5903 | 65.5 (63.8–67.2) | <.001 | 47.1 (43.8–50.4) | 71.8 (69.6–74.0) |
| None | 3264 | 1599 | 55.6 (51.8–59.4) | 46.5 (41.3–51.7) | 59.3 (53.9–64.5) |
a
Agreement means either the participant reported receipt of any doses of HAV vaccine and was anti-HAV positive or the participant reported receipt of no doses of HAV vaccine and was anti-HAV negative.
b
For race/ethnicity, rows do not sum to the column total since estimates for other Hispanics and for those of other/multiple race groups are not presented.