TY - JOUR
T1 - Changing socioeconomic correlates for cancers of the upper digestive tract
AU - Bosetti, C.
AU - Franceschi, S.
AU - Negri, E.
AU - Talamini, R.
AU - Tomei, F.
AU - Vecchia, C. L.
PY - 2001
Y1 - 2001
N2 - Background: Cancers of the upper digestive tract have long been associated with low socio-economic levels. It has however been suggested that in recent times the social gradient for these cancers is leveling off. Patients and methods: Data from three case-control studies on oral, pharyngeal and oesophageal cancer conducted in Northern Italy during the periods 1984-1992 and 1992-1997 were combined and re-analyzed. Cases were subjects admitted to the major teaching and general hospitals in the areas under study with incident, histologically confirmed cancer of the oral cavity and pharynx (n=1126) and oesophagus (n=714). Controls were subjects admitted to the same hospitals for a wide spectrum of acute, non-neoplastic conditions, not related to smoking or alcohol consumption (n=4642). Results: In the 1980s a significant association was observed with low education and social class level. The multivariate odds ratios for oral, pharyngeal and oesophageal cancers combined was 1.78 for the lowest versus the highest educational level, and 1.75 for the lowest versus the highest social class. No consistent pattern of risk was observed with any of the socio-economic indicators considered in the studies conducted in the 1990s. Conclusions: The present study indicates that the socio-economic correlates of cancers of the upper digestive tract have changed over the last few years in Italy, with a disappearance of the social gradient.
AB - Background: Cancers of the upper digestive tract have long been associated with low socio-economic levels. It has however been suggested that in recent times the social gradient for these cancers is leveling off. Patients and methods: Data from three case-control studies on oral, pharyngeal and oesophageal cancer conducted in Northern Italy during the periods 1984-1992 and 1992-1997 were combined and re-analyzed. Cases were subjects admitted to the major teaching and general hospitals in the areas under study with incident, histologically confirmed cancer of the oral cavity and pharynx (n=1126) and oesophagus (n=714). Controls were subjects admitted to the same hospitals for a wide spectrum of acute, non-neoplastic conditions, not related to smoking or alcohol consumption (n=4642). Results: In the 1980s a significant association was observed with low education and social class level. The multivariate odds ratios for oral, pharyngeal and oesophageal cancers combined was 1.78 for the lowest versus the highest educational level, and 1.75 for the lowest versus the highest social class. No consistent pattern of risk was observed with any of the socio-economic indicators considered in the studies conducted in the 1990s. Conclusions: The present study indicates that the socio-economic correlates of cancers of the upper digestive tract have changed over the last few years in Italy, with a disappearance of the social gradient.
KW - Case-control studies
KW - Oesophageal cancer
KW - Oral pharyngeal cancer
KW - Risk factors
KW - Socio-economic factors
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U2 - 10.1023/A:1011180524985
DO - 10.1023/A:1011180524985
M3 - Article
C2 - 11332143
AN - SCOPUS:0035074404
VL - 12
SP - 327
EP - 330
JO - Annals of Oncology
JF - Annals of Oncology
SN - 0923-7534
IS - 3
ER -