Background: The aim of this study was to analyze the impact on tobacco consumption among working population of the Law 42/2010, which amends smoking regulations in Spain.
Methods: Data were obtained from 413,473 Occupational Health check-ups, conducted between July of 2009 and June of 2011, in the Society for Prevention of a Mutual Insurance Company. We analyzed changes in the biannual percentage of smokers and the magnitude of tobacco consumption among smokers in the overall set of medical check-ups, by gender, age, occupational level (manual vs.