Table 1.

A comparison of demographic characteristics (unweighted) between participants in the Swiss National Vaccination Coverage Survey and the general Swiss population for three age groups: 2005–2007^a

^aDoes not include two cantons for toddlers and one canton for schoolchildren

^bCensus data stemmed from the Swiss Federal Statistical Office, municipalities, or statistics office in the cantons, between 2005 and 2007.

^cChi-square analysis was used to test for the difference between respondents and census data, and respondents and nonrespondents.

^dThe German-speaking region includes 18 cantons, the French-speaking region includes six cantons, and the Italian-speaking region includes one canton.

^eSome data are missing.