ESS3 - 2006 Deviations - Switzerland
1 case (idno=1024) has more than 50% Refusal, Don't know or No answer in Main questionnaire.
Change in question asked. Mentioning a second language is more explicit compared to ESS2 - 2004, possibly resulting in a larger proportion of the respondents declaring a second language in LNGHOMB in ESS3.
F6 (EDULVLA), F6 (EISCED), F36 (EDULVLPA), F49 (EDULVLFA), F55 (EDULVLMA):
The underlying national questionnaire items have changed since ESS2-2004.
AGE (constructed variable):
Two respondents IDNO 1075, 2750 are younger than the lower age cut-off.