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
|
- Data from BaVariPro Parent Surveys; 2006 to 2011.
- *Mantel-Haenszel’s Chi2-Test for linear trend.