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Nutrients 2016, 8(3), 112; doi:10.3390/nu8030112

Diet Quality Scores and Risk of Nasopharyngeal Carcinoma in Chinese Adults: A Case-Control Study

1
Guangdong Provincial Key Laboratory of Food, Nutrition and Health, School of Public Health, Sun Yat-sen University, Guangzhou 510080, China
2
Department of Gynecologic Oncology, Sun Yat-sen University Cancer Center, Guangzhou 510060, China
3
Sun Yat-sen University Ophthalmic Center, Guangzhou 510060, China
4
Information Section, Central Hospital of Panyu District, Guangzhou 511400, China
5
Department of Radiotherapy, Sun Yat-sen University Cancer Center, Guangzhou 510060, China
6
Clinical laboratory section of the office outpatient Department public security board, Guangdong 510050, China
These authors contributed equally to this article.
*
Author to whom correspondence should be addressed.
Received: 4 January 2016 / Revised: 25 January 2016 / Accepted: 3 February 2016 / Published: 25 February 2016
(This article belongs to the Special Issue Dietary Pattern and Health)
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Abstract

Many studies show that dietary factors may affect the risk of nasopharyngeal carcinoma (NPC). We examined the association between overall diet quality and NPC risk in a Chinese population. This case-control study included 600 NPC patients and 600 matched controls between 2009 and 2011 in Guangzhou, China. Habitual dietary intake and various covariates were assessed via face-to-face interviews. Diet quality scores were calculated according to the Healthy Eating Index-2005 (HEI-2005), the alternate Healthy Eating Index (aHEI), the Diet Quality Index-International (DQI-I), and the alternate Mediterranean Diet Score (aMed). After adjustment for various lifestyle and dietary factors, greater diet quality scores on the HEI-2005, aHEI, and DQI-I—but not on the aMed—showed a significant association with a lower risk of NPC (p-trends, <0.001–0.001). The odds ratios (95% confidence interval) comparing the extreme quartiles of the three significant scores were 0.47 (0.32–0.68) (HEI-2005), 0.48 (0.33–0.70) (aHEI), and 0.43 (0.30–0.62) (DQI-I). In gender-stratified analyses, the favorable association remained significant in men but not in women. We found that adherence to the predefined dietary patterns represented by the HEI-2005, aHEI, and DQI-I scales predicted a lower risk of NPC in adults from south China, especially in men. View Full-Text
Keywords: nasopharyngeal carcinoma; diet quality; dietary pattern; case-control study; Chinese; adults nasopharyngeal carcinoma; diet quality; dietary pattern; case-control study; Chinese; adults
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Wang, C.; Lin, X.-L.; Fan, Y.-Y.; Liu, Y.-T.; Zhang, X.-L.; Lu, Y.-K.; Xu, C.-H.; Chen, Y.-M. Diet Quality Scores and Risk of Nasopharyngeal Carcinoma in Chinese Adults: A Case-Control Study. Nutrients 2016, 8, 112.

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