Table 1

Settings studied and number of samples at baseline, 6, 12 and 24 months after the Spanish smoking law (January 2006)

Settings studiedNumber of samples at baselineNumber of samples at 6 monthsNumber of samples at 12 monthsNumber of samples at 24 monthsNumber of samples repeated at the four measurements
Public administration
 Local administration3023282517
 Regional administration4444424341
 National administration2822212721
Universities4341433838
Private sector
 Small (<10 workers)5346494945
 Medium (10–50 workers)127117115115107
Bars/restaurants
 >100 m24643454441
 <100 m23835343029
Discotheques/pubs3426242416
Total443397401395355