Table 1 History of varicella and varicella vaccination coverage in children 18-36 months of age during five consecutive years; absolute numbers and percentages
Parent survey on children 18-36 months of age | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | p-value* |
|---|---|---|---|---|---|---|---|
(N questionnaires) | (N = 372) | (N = 364) | (N = 352) | (N = 330) | (N = 301) | (N = 302) | |
History of any previous varicella disease; n (%) | 47 (12.6) | 66 (18.1) | 39 (11.1) | 26 (7.9) | 23 (7.6) | 15 (5.0) | <0.001 |
Vaccinated against varicella at time of survey | |||||||
- received at least one dose; n (%) | 140 (37.6) | 187 (51.4) | 188 (53.4) | 174 (52.7) | 200 (66.4) | 206 (68.2) | <0.001 |
- received two doses; n (%) | N.A. | 37 (10.2) | 66 (18.8) | 97 (29.4) | 158 (52.5) | 177 (58.6) | <0.001 |