Table 1. Age-stratified anti-HAV IgG seropositivity from 2010 to 2014.
| Age group | Years | ||||||
|---|---|---|---|---|---|---|---|
| 2010 | 2011 | 2012 | 2013 | 2014 | Total | P-value | |
| 20–24 | 1/8 (12.5%) |
3/19 (15.8%) |
1/12 (8.3%) |
2/10 (20.0%) |
1/14 (7.1%) |
8/63 (12.7%) |
.535 |
| 25–29 | 5/49 (10.2%) |
9/56 (16.1%) |
10/81 (12.3%) |
20/85 (23.5%) |
8/61 (13.1%) |
53/332 (16.0%) |
.150 |
| 30–34 | 25/79 (31.6%) |
83/323 (25.7%) |
67/279 (24.0%) |
125/424 (29.5%) |
49/202 (24.3%) |
349/1307 (26.7%) |
.447 |
| 35–39 | 111/186 (59.7%) |
264/525 (50.3%) |
333/651 (51.2%) |
572/1150 (49.7%) |
159/340 (46.8%) |
1439/2852 (50.5%) |
.091 |
| 40–44 | 151/190 (79.5%) |
277/352 (78.7%) |
347/453 (76.6%) |
668/899 (74.3%) |
370/490 (75.5%) |
1813/2384 (76.0%) |
.806 |
| 45–49 | 121/127 (95.3%) |
244/258 (94.6%) |
311/335 (92.8%) |
583/631 (92.4%) |
509/559 (91.1%) |
1768/1910 (92.6%) |
.516 |
| 50–54 | 120/120 (100.0%) |
159/162 (98.1%) |
252/258 (97.7%) |
439/449 (97.8%) |
388/405 (95.8%) |
1358/1394 (97.4%) |
.091 |
| 55–59 | 43/43 (100.0%) |
68/68 (100.0%) |
98/99 (99.0%) |
216/216 (100.0%) |
137/137 (100.0%) |
562/563 (99.8%) |
.320 |
| 60- | 15/15 (100.0%) |
48/48 (100.0%) |
90/90 (100.0%) |
128/129 (99.2%) |
89/89 (100.0%) |
370/371 (99.7%) |
.758 |
| Total | 592/817 | 1155/1811 | 1509/2258 | 2753/3993 | 1710/2298 | ||