Mediterranean diet and risk of endometrial cancer

A pooled analysis of three italian case-control studies

M. Filomeno, C. Bosetti, E. Bidoli, F. Levi, D. Serraino, M. Montella, C. La Vecchia, A. Tavani

Research output: Contribution to journalArticle

30 Citations (Scopus)

Abstract

Background:Some components of the Mediterranean diet have favourable effects on endometrial cancer, and the Mediterranean diet as a whole has been shown to have a beneficial role on various neoplasms.Methods:We analysed this issue pooling data from three case-control studies carried out between 1983 and 2006 in various Italian areas and in the Swiss Canton of Vaud. Cases were 1411 women with incident, histologically confirmed endometrial cancer, and controls were 3668 patients in hospital for acute diseases. We measured the adherence to the Mediterranean diet using a Mediterranean Diet Score (MDS), based on the nine dietary components characteristics of this diet, that is, high intake of vegetables, fruits/nuts, cereals, legumes, fish; low intake of dairy products and meat; high monounsaturated to saturated fatty acid ratio; and moderate alcohol intake. We estimated the odds ratios (OR) and the corresponding 95% confidence intervals (CI) for increasing levels of the MDS (varying from 0, no adherence, to 9, maximum adherence) using multiple logistic regression models, adjusted for major confounding factors.Results:The adjusted OR for a 6-9 components of the MDS (high adherence) compared with 0-3 (low adherence) was 0.43 (95% CI 0.34-0.56). The OR for an increment of one component of MDS diet was 0.84 (95% CI 0.80-0.88). The association was consistent in strata of various covariates, although somewhat stronger in older women, in never oral contraceptive users and in hormone-replacement therapy users.Conclusions:Our study provides evidence for a beneficial role of the Mediterranean diet on endometrial cancer risk, suggesting a favourable effect of a combination of foods rich in antioxidants, fibres, phytochemicals, and unsaturated fatty acids.

Original languageEnglish
Pages (from-to)1816-1821
Number of pages6
JournalBritish Journal of Cancer
Volume112
Issue number11
DOIs
Publication statusPublished - May 26 2015

Fingerprint

Mediterranean Diet
Endometrial Neoplasms
Case-Control Studies
Odds Ratio
Confidence Intervals
Logistic Models
Diet
Nuts
Dairy Products
Hormone Replacement Therapy
Phytochemicals
Acute Disease
Oral Contraceptives
Unsaturated Fatty Acids
Fabaceae
Vegetables
Meat
Meta-Analysis
Fruit
Fishes

Keywords

  • case-control
  • endometrial cancer
  • Mediterranean diet
  • risk factor

ASJC Scopus subject areas

  • Cancer Research
  • Oncology
  • Medicine(all)

Cite this

Mediterranean diet and risk of endometrial cancer : A pooled analysis of three italian case-control studies. / Filomeno, M.; Bosetti, C.; Bidoli, E.; Levi, F.; Serraino, D.; Montella, M.; La Vecchia, C.; Tavani, A.

In: British Journal of Cancer, Vol. 112, No. 11, 26.05.2015, p. 1816-1821.

Research output: Contribution to journalArticle

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abstract = "Background:Some components of the Mediterranean diet have favourable effects on endometrial cancer, and the Mediterranean diet as a whole has been shown to have a beneficial role on various neoplasms.Methods:We analysed this issue pooling data from three case-control studies carried out between 1983 and 2006 in various Italian areas and in the Swiss Canton of Vaud. Cases were 1411 women with incident, histologically confirmed endometrial cancer, and controls were 3668 patients in hospital for acute diseases. We measured the adherence to the Mediterranean diet using a Mediterranean Diet Score (MDS), based on the nine dietary components characteristics of this diet, that is, high intake of vegetables, fruits/nuts, cereals, legumes, fish; low intake of dairy products and meat; high monounsaturated to saturated fatty acid ratio; and moderate alcohol intake. We estimated the odds ratios (OR) and the corresponding 95{\%} confidence intervals (CI) for increasing levels of the MDS (varying from 0, no adherence, to 9, maximum adherence) using multiple logistic regression models, adjusted for major confounding factors.Results:The adjusted OR for a 6-9 components of the MDS (high adherence) compared with 0-3 (low adherence) was 0.43 (95{\%} CI 0.34-0.56). The OR for an increment of one component of MDS diet was 0.84 (95{\%} CI 0.80-0.88). The association was consistent in strata of various covariates, although somewhat stronger in older women, in never oral contraceptive users and in hormone-replacement therapy users.Conclusions:Our study provides evidence for a beneficial role of the Mediterranean diet on endometrial cancer risk, suggesting a favourable effect of a combination of foods rich in antioxidants, fibres, phytochemicals, and unsaturated fatty acids.",
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AU - Levi, F.

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AU - La Vecchia, C.

AU - Tavani, A.

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