Table 1 Prevalence of HAV antibodies according to age groups. Catalonia, 1989, 1996 and 2002.
From: Declining hepatitis A seroprevalence in adults in Catalonia (Spain): a population-based study
Age groups | 1989 Prevalence | 1996 Prevalence | 2002 Prevalence | ||||||
|---|---|---|---|---|---|---|---|---|---|
% | (95%CI) | n | % | (95%CI) | n | % | (95% CI) | n | |
15–24 | 43.1 | (31.4–55.3) | 72 | 31.42 | (23.1–40.5) | 118 | 15.42 | (9.8–22.6) | 136 |
25–34 | 82.11 | (72.3–89.6) | 84 | 56.91,3 | (50.1–63.6) | 216 | 34.93 | (28.7–41.6) | 223 |
35–44 | 93.8 | (88.1–97.3) | 129 | 86.94 | (81.8–91.1) | 222 | 75.14 | (69.4–80.1) | 265 |
45–54 | 95.4 | (89.5–98.5) | 108 | 95.5 | (91.9–97.8) | 222 | 93.8 | (90.3–96.4) | 276 |
55–64 | 91.0 | (82.4–96.3) | 78 | 99.1 | (96.8–99.9) | 224 | 97.3 | (94.3–99.0) | 224 |
>64 | 96.1 | (90.3–98.9) | 102 | 98.8 | (96.6–99.8) | 257 | 98.2 | (94.9–99.6) | 168 |
TOTAL* | 84.34 | (81.3–87.3) | 573 | 77.8 4,1 | (75.5–80.1) | 1259 | 68.21 | (65.7–70.7) | 1292 |