Content of the self-administered surveys Location/Base population Sample size Response burden Response rate* [%]
No prior recruitment
With recruitment
Motivation call No motivation call
Mobility plan: Zurich University Hospital Visitors to the hospital 1615 57.00 25.88
National SP survey on railway services Residents of French and German speaking Switzerland 1561 84.00 67.71
Regional mode and route choice SP Residents of the Canton Zurich 1229 84.00 70.87
National SP on value of travel time savings Swiss residents 2317 152.90 52.74
Fuel price and rail usage Residents of French and German speaking Switzerland 1036 170.00 58.31
Regional SR on value of statistical life Residents of Canton Ticino 500 197.00 41.00
Mobility plan: University of Zurich Employees of the university 372 219.00 19.83
Regional SR on value of statistical life Residents of German speaking Switzerland 2000 223.60 33.91
Home ownership and use of local facilities Residents in a quota sample of municipalities in the Zurich region 9330 230.70 36.08
National SP on the impacts of road pricing Residents of French and German speaking Switzerland 2249 264.79 46.69
Modelling mountaineers’ travel behaviour Members of the Swiss Alpine Club 530 276.00 46.04
Mobility biographies and regular travel Residents of Basel, Bern and Zurich 3500 521.00 8.36
Mobility biographies Residents of Canton Zurich 1763 + 1537 529.00 30.90 14.70
Mobility biographies and home ownership Residents of Canton Zurich 300 655.40 19.87
Social networks and mobility biographies Residents of Zurich 4350 991.75 11.25 4.35
Ego-centric social networks Residents of Canton Zurich 761 + 91 900.00 17.35 36.88

Sources (in the order listed): Axhausen et al. (2006); Axhausen et al. (2007); Beige (2004); Beige and Axhausen (2005) (main study and pre-test) (also Beige, 2006); Jäggle (2006); Kowald et al. (2009) (Note that the study by Kowald et al. (2009); Locatelli (2004); Schiffmann (2005); Stäubli (2009); Vrtic and Axhausen (2004); Vrtic and Fröhlich (2006); Vrtic et al. (2007); Waldner et al. (2005); Weis et al. (2008); Weis and Axhausen (2009) involved a monetary incentive, phone contact with the interviewers and a personal post card from a member of the social network to which the respondents belong, inviting them to participate in the survey.)