TABLE 1 - 2001 NPTS: Geo-Information and Accuracy Level,, Type of information,Accuracy level, 1. Pre-geocoding of home address (verified by respondent),Exact location of statistical ward, 2. Pre-geocoding of work place address (verified by respondent),, " 3. Street address, postal number, and municipality; location using GIS and address databases",, " 4. As in 3, but with some inaccuracies—manually controlled and verified",, " 5. As in 3, but using a manual method for location",, " 6. Insufficient information (e.g., name of store, postal code, etc.), but GIS or manual checks made possible exact location",, 7. Location to city center in small urban settlements (few cases),, " 8. As in 6, but 2 possible wards",Approximate location (2 possible wards), " 9. As in 6, but 3 possible wards",Approximate location (3 possible wards), "10. As in 6, but 4 or more possible wards",Inexact location (4 or more possible wards), 11. Insufficient information—only possible to locate municipality,No location, 12. Geocoding impossible or destination abroad,No location,