Attributable risks for stomach cancer in Northern Italy

C. La Vecchia, B. D'Avanzo, E. Negri, A. Decarli, J. Benichou

Research output: Contribution to journalArticle

Abstract

The proportions of gastric cancer cases attributable (or attributable risks, AR) to consumption of traditional foods (i.e., pasta, rice and maize), low intake of beta-carotene and vitamin C, short duration of use of an electric refrigerator, low educational level, and family history of gastric cancer were computed using data from a case-control study conducted in Northern Italy. Between 1985 and June 1993 a total of 746 incident, histologically confirmed gastric cancer cases and 2,053 controls admitted to the same network of hospitals for acute, nonneoplastic, non-digestive-tract diseases, unrelated to long-term modifications of diet, were interviewed. The ARs were 48% for low intake of beta-carotene, 40% for high consumption of traditional foods, and 16% for low intake of vitamin C. Overall, these 3 dietary factors explained 73% of the gastric cancer cases in the population. Five percent of all cases were attributable to less than 30 years' use of an electric refrigerator, 15% to low educational level, and 5% to family history of gastric cancer. In individuals over age 60, a greater proportion of cases was attributable to traditional foods, low education and late adoption of electric refrigeration (58% vs. 32% aged under 60) suggesting that correlates of lower social class, influenced lifestyle and dietary habits more markedly in earlier than in more recent generations. According to our estimates, over 3 quarters of the gastric cancer cases in this area are explainable in terms of the risk factors considered. Increased consumption of vitamin C and beta-carotene, and reduced consumption of traditional foods, would help to avoid over 10,000 out of 14,000 stomach-cancer deaths in Italy every year. Consequently, stomach cancer, which is still the third leading cause of cancer death in Italy, would represent only about 2% of all cancer deaths.

Original languageEnglish
Pages (from-to)748-752
Number of pages5
JournalInternational Journal of Cancer
Volume60
Issue number6
DOIs
Publication statusPublished - 1995

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Italy
Stomach Neoplasms
beta Carotene
Ascorbic Acid
Food
Diet Therapy
Refrigeration
Feeding Behavior
Social Class
Zea mays
Case-Control Studies
Life Style
Cause of Death
Neoplasms
Education
Population

ASJC Scopus subject areas

  • Cancer Research
  • Oncology

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Attributable risks for stomach cancer in Northern Italy. / La Vecchia, C.; D'Avanzo, B.; Negri, E.; Decarli, A.; Benichou, J.

In: International Journal of Cancer, Vol. 60, No. 6, 1995, p. 748-752.

Research output: Contribution to journalArticle

La Vecchia, C. ; D'Avanzo, B. ; Negri, E. ; Decarli, A. ; Benichou, J. / Attributable risks for stomach cancer in Northern Italy. In: International Journal of Cancer. 1995 ; Vol. 60, No. 6. pp. 748-752.
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