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Article

Dietary Carotenoid Intakes and Prostate Cancer Risk: A Case-Control Study from Vietnam

1
National Institute of Hygiene and Epidemiology, Hanoi 100000, Vietnam
2
School of Public Health, Curtin University, Perth, WA 6102, Australia
3
Thai Nguyen University of Medicine and Pharmacy, Thai Nguyen 250000, Vietnam
*
Author to whom correspondence should be addressed.
Nutrients 2018, 10(1), 70; https://doi.org/10.3390/nu10010070
Received: 28 November 2017 / Revised: 9 January 2018 / Accepted: 9 January 2018 / Published: 11 January 2018
The incidence of prostate cancer has increased in Vietnam, but there have been few studies of the risk factors associated with this change. This retrospective case-control study investigated the relation of the intake of carotenoids and their food sources to prostate cancer risk. A sample of 652 participants (244 incident prostate cancer patients, aged 64–75 years, and 408 age frequency-matched controls) were recruited in Ho Chi Minh City during 2013–2015. The habitual diet was ascertained with a validated food-frequency questionnaire, and other factors including demographic and lifestyle characteristics were assessed via face-to-face interviews by trained nurses. Multivariate-adjusted odds ratios (OR) and 95% confidence intervals (CI) were estimated using unconditional logistic regression models. The risk of prostate cancer decreased with increasing intakes of lycopene, tomatoes, and carrots; the respective ORs (95% CIs) were 0.46 (0.27, 0.77), 0.39 (0.23, 0.66), and 0.35 (0.21, 0.58), when comparing the highest with the lowest tertile of intake (p for trend < 0.01). No statistically significant associations were found for the intake of α-carotene, β-carotene, β-cryptoxanthin, lutein, zeaxanthin, and major food sources of carotenoids. In conclusion, Vietnamese men with a higher intake of lycopene, tomatoes, and carrots may have a lower risk of prostate cancer. However, large prospective studies are needed in this population to confirm this finding. View Full-Text
Keywords: case-control study; carotenoids; epidemiology; prostate cancer; Vietnam case-control study; carotenoids; epidemiology; prostate cancer; Vietnam
MDPI and ACS Style

Van Hoang, D.; Pham, N.M.; Lee, A.H.; Tran, D.N.; Binns, C.W. Dietary Carotenoid Intakes and Prostate Cancer Risk: A Case-Control Study from Vietnam. Nutrients 2018, 10, 70. https://doi.org/10.3390/nu10010070

AMA Style

Van Hoang D, Pham NM, Lee AH, Tran DN, Binns CW. Dietary Carotenoid Intakes and Prostate Cancer Risk: A Case-Control Study from Vietnam. Nutrients. 2018; 10(1):70. https://doi.org/10.3390/nu10010070

Chicago/Turabian Style

Van Hoang, Dong, Ngoc M. Pham, Andy H. Lee, Duong N. Tran, and Colin W. Binns 2018. "Dietary Carotenoid Intakes and Prostate Cancer Risk: A Case-Control Study from Vietnam" Nutrients 10, no. 1: 70. https://doi.org/10.3390/nu10010070

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