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. 2014 Sep;27(9):707-17.
doi: 10.3967/bes2014.089.

Environmental and psycho-social factors related to prostate cancer risk in the Chinese population: a case-control study

Mei Ling Li  1 , Ji Lin  1 , Jian Guo Hou  2 , Lei Xu  3 , Xin Gang Cui  4 , Xing Xing Xu  5 , Yong Wei Yu  6 , Xue Han  7 , Guo Min Wang  3 , Jian Ming Guo  3 , Dan Feng Xu  4 , Timothy C Thompson  8 , Guang Wen Cao  1 , Hong Wei Zhang  1
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Free article

Environmental and psycho-social factors related to prostate cancer risk in the Chinese population: a case-control study

Mei Ling Li et al. Biomed Environ Sci. 2014 Sep.
Free article

Abstract

Objective: To study the risk environmental and psycho-social factors associated to prostate cancer (PCa) in Chinese population.

Methods: 250 PCa patients and 500 controls were enrolled in this case-control study. Information was collected and logistic regression analysis was used to estimate the odds ratios (OR) and 95% confidence intervals (95% CI) for relationship between lifestyle, eating habits and psycho-social factors with PCa risk.

Results: Green vegetables and green tea were associated with a decreased risk of PCa (OR=0.39, 95% CI: 0.28-0.53; OR=0.59, 95% CI: 0.40-0.87, respectively). Family history of PCa (OR=7.16, 95% CI: 2.01-25.49), history of prostate diseases (OR=2.28, 95% CI: 1.53-3.41), alcohol consumption (OR=1.97, 95% CI: 1.33-2.90), red meat consumption (OR=1.74, 95% CI: 1.20-2.52), barbecued (OR=2.29, 95% CI: 1.11-4.73) or fried (OR=2.35, 95% CI: 1.24-4.43) foods were related with increased PCa risk. Negative psycho-social factors including occupational setbacks (OR=1.61, 95% CI: 1.00-2.59), marital separation (OR=1.94, 95% CI: 1.29-2.91), self-contained suffering (OR=2.37, 95% CI: 1.58-3.55), and high sensitivity to the personal comments (OR=1.73, 95% CI: 1.18-2.54) were related to PCa.

Conclusion: Regular consumption of green vegetables and green tea may suggest protective effects on PCa. Alcohol consumption, red meat consumption and barbecued or fried foods were associated with PCa. Negative psycho-social factors may also play a role in the incidence of PCa in Chinese population.

Keywords: Case-control study; Dietary factors; Lifestyle; Prostate cancer; Psycho-social factors.

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