Study title

Statistics Norway's Omnibus Surveys are composed of questions about various themes on behalf of several employers. The surveys consist of a fixed set of background variables, as well as the questions that employers pay for. The questions that are determined by employers can almost be considered as fixed as well, since they are used each quarter. These questions concern smoking (on behalf of the Ministry of Health Care Services) and vacation traveling over the last three months (on behalf of the Section for Transport, Tourism and ICT at SSB). In the period 1992-2004 data were collected...