Abstract
Background : Colorectal cancer is one of the most common cancers worldwide including 38% of gastrointestinal cancers. Colorectal cancer is the third type of Iranian men and fourth in women in ranking. The purpose of this study was to determine the role of environmental risk factors in colorectal cancer.
Materials and Method : In this case-control study, the authors selected cases from colorectal cancer patients in Arak and controls were selected from Arak hospitals in proportion to the number of cases. Data collected by using a structured questionnaire and based on interviews with patients and their medical records . We used chi-squared and independent t-tests to analyze data. Logistic regression applies to eliminate the effect of possible confounding variables.
Results : From all participants 55.7% were male and 90% got married. 33.6% were overweight and/or obese. Mean ± SD of age and BMI was 54.41±14.88 yr and 24.42±4.58, respectively. Regression model showed that fatty food intake, high education and positive family history are the predictor risk factors of colorectal cancer.
Conclusion : Due to preventable colorectal cancer and increased global incidence of disease, educational intervention about the importance of disease, methods of screening and diagnosis, treatment and rehabilitation of patients are necessary.
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Copyright
© 2011, Author(s). This open-access article is available under the Creative Commons Attribution 4.0 (CC BY 4.0) International License (https://creativecommons.org/licenses/by/4.0/), which allows for unrestricted use, distribution, and reproduction in any medium, provided that the original work is properly cited.