Table 2. Area and sex-adjusted seroprevalence of anti-HAV from 2005 to 2014*.
| Age (year) | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 |
|---|---|---|---|---|---|---|---|---|---|---|
| 0–9 | 33.4 | 52.7 | 42.4 | 50.7 | 69.8 | 65.8 | 53.9 | 71.0 | 65.4 | 67.7 |
| 10~19 | 15.4 | 19.0 | 20.0 | 25.5 | 23.2 | 19.0 | 26.4 | 33.8 | 35.4 | 35.2 |
| 20~29 | 22.5 | 29.2 | 19.1 | 17.2 | 11.9 | 8.7 | 13.3 | 16.2 | 16.3 | 20.2 |
| 30~39 | 69.6 | 67.6 | 63.8 | 58.6 | 48.4 | 40.7 | 37.3 | 34.3 | 32.1 | 32.4 |
| 40~49 | 97.9 | 96.7 | 94.7 | 91.4 | 89.1 | 87.9 | 86.1 | 84.1 | 80.8 | 79.3 |
| 50~59 | 98.7** | 98.2** | 98.0** | 99.0** | 98.8** | 98.7 | 98.7 | 98.4 | 98.0 | 98.1 |
| 60~ | 99.2 | 98.1 | 99.3 | 99.5 | 99.6 | |||||
| Overall | 65.6 | 68.2 | 64.9 | 65.1 | 63.8 | 61.0 | 60.5 | 62.9 | 61.6 | 62.2 |
HAV, hepatitis A virus.
* Seroprevalence of anti-HAV was adjusted by area from 2005 to 2009 and by area and gender from 2010 to 2014
**Persons in their fifties and over sixty were grouped together from 2005 to 2009 because of the small number and similar seroprevalence.