Dietary patterns and risk of prostate cancer: a factor analysis study in a sample of Iranian men
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Article Type:
Research/Original Article (دارای رتبه معتبر)
Abstract:
Background
Prostate cancer is one of the most common types of cancer with a high mortality rate. The current study was conducted to investigate the relationship between dietary patterns and prostate cancer risk among Iranian men.
Methods
This case-control study was conducted in Kermanshah province in western Iran in November 2016. Fifty patients with prostate cancer were selected as cases and 150 healthy men matched for age and body mass index (BMI) were selected as controls. Dietary intake data were collected by a semi-quantitative food frequency questionnaire (FFQ). Food items were grouped according to the similarity of nutrient profiles. The main dietary patterns were identified by factor analysis.
Results
After adjustment for potential confounders, a healthy dietary pattern was associated with decreased risk of prostate cancer (highest versus lowest tertile OR:0.24; 95% CI: 0.07-0.81; trend p: 0.025). An unhealthy dietary pattern was related to increased risk of prostate cancer (highest versus lowest tertile OR:3.4; 95% CI: 1.09-10.32; trend p: 0.037).
Conclusion
This study shows that an unhealthy dietary pattern was associated with increased risk of prostate cancer. However, a healthy dietary pattern was associated with decreased risk of prostate cancer.
Language:
English
Published:
Health Promotion Perspectives, Volume:8 Issue: 2, Apr 2018
Pages:
133 to 138
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