Evaluation of smoking control policies in Norway 2003–2007 HEMIL/SIRUS Report no 4 Smokefree restaurants and pubs: Air quality, self reported health and job satisfaction Jørn Hetland and Leif Edvard Aarø Research Centre for Health Promotion University of Bergen SIRUS SKRIFTER No. #/2005 National Institute for Alcohol and Drug Research Oslo 2005