• 1
    IARC. Monographs on the evaluation of carcinogenic risks to Humans, vol. 83:Tobacco smoke and involuntary smoking. Lyon: IARC, 2004.
  • 2
    Hashibe M,Brennan P,Benhamou S,Castellsague X,Chen C,Curado MP,Dal Maso L,Daudt AW,Fabianova E,Wünsch-Filho V,Franceschi S,Hayes RB, et al. Alcohol drinking in never users of tobacco, cigarette smoking in never drinkers, and the risk of head and neck cancer: Pooled analysis in the International Head and Neck Cancer Epidemiology Consortium. J Natl Cancer Inst 2007; 99: 77789.
  • 3
    Zhao LP,Kolonel LN. Efficiency loss from categorizing quantitative exposures into qualitative exposures in case-control studies. Am J Epidemiol 1992; 136: 46474.
  • 4
    Greenland S. Problems in the average-risk interpretation of categorical dose-response analyses. Epidemiology 1995; 6: 5635.
  • 5
    Greenland S. Avoiding power loss associated with categorization and ordinal scores in dose-response and trend analysis. Epidemiology 1995; 6: 4504.
  • 6
    Harrell FE,Jr,Lee KL,Pollock BG. Regression models in clinical studies: determining relationships between predictors and response. J Natl Cancer Inst 1988; 80: 1198202.
  • 7
    Durrleman S,Simon R. Flexible regression models with cubic splines. Stat Med 1989; 8: 55161.
  • 8
    Polesel J,Dal Maso L,Bagnardi V,Zucchetto A,Zambon A,Levi F,La Vecchia C,Franceschi S. Estimating dose-response relationship between ethanol and risk of cancer using regression spline models. Int J Cancer 2005; 114: 83641.
  • 9
    Franceschi S,Talamini R,Barra S,Baron AE,Negri E,Bidoli E,Serraino D,La Vecchia C. Smoking and drinking in relation to cancers of the oral cavity, pharynx, larynx, and esophagus in northern Italy. Cancer Res 1990; 50: 65027.
  • 10
    Franceschi S,Levi F,Dal Maso L,Talamini R,Conti E,Negri E,La Vecchia C. Cessation of alcohol drinking and risk of cancer of the oral cavity and pharynx. Int J Cancer 2000; 85: 78790.
  • 11
    Talamini R,Vaccarella S,Barbone F,Tavani A,La Vecchia C,Herrero R,Munoz N,Franceschi S. Oral hygiene, dentition, sexual habits and risk of oral cancer. Br J Cancer 2000; 83: 123842.
  • 12
    Zambon P,Talamini R,La Vecchia C,Dal Maso L,Negri E,Tognazzo S,Simonato L,Franceschi S. Smoking, type of alcoholic beverage and squamous-cell oesophageal cancer in northern Italy. Int J Cancer 2000; 86: 1449.
  • 13
    Talamini R,Bosetti C,La Vecchia C,Dal Maso L,Levi F,Bidoli E,Negri E,Pasche C,Vaccarella S,Barzan L,Franceschi S. Combined effect of tobacco and alcohol on laryngeal cancer risk: a case-control study. Cancer Causes Control 2002; 13: 95764.
  • 14
    Levi F,Pasche C,La Vecchia C,Lucchini F,Franceschi S,Monnier P. Food groups and risk of oral and pharyngeal cancer. Int J Cancer 1998; 77: 7059.
  • 15
    D'Avanzo B,La Vecchia C,Katsouyanni K,Negri E,Trichopoulos D. Reliability of information on cigarette smoking and beverage consumption provided by hospital controls. Epidemiology 1996; 7: 31215.
  • 16
    Greenland S. Dose-response and trend analysis in epidemiology: alternatives to categorical analysis. Epidemiology 1995; 6: 35665.
  • 17
    Bagnardi V,Zambon A,Quatto P,Corrao G. Flexible meta-regression functions for modeling aggregate dose-response data, with an application to alcohol and mortality. Am J Epidemiol 2004; 159: 107786.
  • 18
    Akaike H. Information theory and an extension of the maximum likelihood principle. Second symposium on information theory, Budapest, 1973. 26781.
  • 19
    Tuyns AJ,Esteve J,Raymond L,Berrino F,Benhamou E,Blanchet F,Boffetta P,Crosignani P,Del Moral A,Lehmann W,Merletti F,Péquignot G, et al. Cancer of the larynx/hypopharynx, tobacco and alcohol: IARC international case-control study in Turin and Varese (Italy). Zaragoza and Navarra (Spain), Geneva (Switzerland) and Calvados (France). Int J Cancer 1988; 41: 48391.
  • 20
    McLaughlin JK,Hrubec Z,Blot WJ,Fraumeni JF,Jr. Smoking and cancer mortality among U.S. veterans: a 26-year follow-up. Int J Cancer 1995; 60: 1903.
  • 21
    Guo W,Blot WJ,Li JY,Taylor PR,Liu BQ,Wang W,Wu YP,Zheng W,Dawsey SM,Li B. A nested case-control study of oesophageal and stomach cancers in the Linxian nutrition intervention trial. Int J Epidemiol 1994; 23: 44450.
  • 22
    Castellsague X,Munoz N,De SE,Victora CG,Castelletto R,Rolon PA,Quintana MJ. Independent and joint effects of tobacco smoking and alcohol drinking on the risk of esophageal cancer in men and women. Int J Cancer 1999; 82: 65764.
  • 23
    Lagergren J,Bergstrom R,Lindgren A,Nyren O. The role of tobacco, snuff and alcohol use in the aetiology of cancer of the oesophagus and gastric cardia. Int J Cancer 2000; 85: 3406.
  • 24
    Breslow NE,Day NE. Statistical methods in cancer research, vol. 1: The analysis of case-control studies. Lyon: IARC Science, 1980.
  • 25
    Hosmer DW,Jr,Lemeshow S. Applied logistic regression. New York: Wiley, 1989.
  • 26
    Breslow NE,Day NE. Statistical methods in cancer research, vol 2:The design and analysis of cohort studies. Lyon: IARC Science, 1987.
  • 27
    Colombo P,Scarpino V,Zuccaro P,Apolone G,Gallus S,La Vecchia C. Smoking in Italian women and men, 2001. Tumori 2002; 88: 1012.
  • 28
    Wacholder S,Silverman DT,McLaughlin JK,Mandel JS. Selection of controls in case-control studies. II. Types of controls. Am J Epidemiol 1992; 135: 102941.
  • 29
    La Vecchia C,Pagano R,Negri E,Decarli A. Smoking and prevalence of disease in the 1983 Italian National Health Survey. Int J Epidemiol 1988; 17: 505.
  • 30
    Chiolero A,Wietlisbach V,Ruffieux C,Paccaud F,Cornuz J. Clustering of risk behaviors with cigarette consumption: a population-based survey. Prev Med 2006; 42: 34853.