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The Journal of Health, Population and Nutrition
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ISSN: 1606-0997 EISSN: 1606-0997
Vol. 33, No. 2, 2015, pp. 1-5
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Bioline Code: hn15024
Full paper language: English
Document type: Research Article
Document available free of charge
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The Journal of Health, Population and Nutrition, Vol. 33, No. 2, 2015, pp. 1-5
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White rice consumption and risk of esophageal cancer in Xinjiang Uyghur Autonomous Region, northwest China: a case-control study
Tang, Li; Xu, Fenglian; Zhang, Taotao; Lei, Jun; Binns, Colin W. & Lee, Andy H.
Abstract
This study investigated the association between white rice consumption and the risk of esophageal cancer in
remote northwest China, where the cancer incidence is known to be high. A case-control study was conducted
during 2008–2009 in Urumqi and Shihezi, Xinjiang Uyghur Autonomous Region of China. Participants were 359 incident
esophageal cancer patients and 380 hospital-based controls. Information on habitual white rice consumption was
obtained by personal interview using a validated semi-quantitative food frequency questionnaire. Logistic regression
analyses were performed to assess the association between white rice consumption and the esophageal cancer risk.
Confounding variables including socio-demographics, family history, dietary and lifestyle factors were adjusted in the
multivariate model. The esophageal cancer patients reported lower consumption levels of white rice-based products,
including cooked white rice and porridge, when compared to the control group. Overall, regular consumption of white
rice foods was inversely associated with the esophageal cancer risk, the adjusted OR being 0.34 (95 % CI 0.23 to 0.52)
for the highest (>250 g) versus the lowest (<92 g) tertile of daily intake. Similar reductions in risk were also apparent for
high consumption levels of cooked white rice and porridge. In conclusion, habitual white rice consumption was
associated with a reduced risk of esophageal cancer for adults residing in northwest China. Our findings provide
evidence to support the continued consumption of white rice.
Keywords
Case-control study; White rice; Esophageal cancer; Xinjiang; China
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