Background: Cancer is a major health problem facing the entire world, and Jordan is no exception. However, patterns of cancer incidence and cancer burden in Jordan have never been explored thoroughly, and the aim of this study was to close this knowldege gap. Materials and Methods: The study was based on data obtained from the Jordan cancer registry from 1996 to 2009. All cancer cases that were diagnosed during the study period were registered and included in this study. Results: A total of 51,626 cases were registered in Jordan during the 14-year period. The incidence rate showed no significant increase in males (percent change PC 6.8%), while in females a marked increase was observed (PC 14.8%). The major cancer sites for males were bronchus and lung, colorectal, bladder, leukemia and prostate. In females, the leading cancer sites were breast, colorectal, leukemia, thyroid and NHL. Conclusions: Compared to other countries in the region, Jordan has comparable rates. On the other hand the rates of cancer are markedly lower in Jordan compared to more industrialized countries such as the US and Europe. There was an overall increase in the incidence of cancer in Jordan, especially among females, which stresses the need for programs to raise awareness on the importance of early diagnosis and preventive life style measures.
Genetic testing has a potential in the prevention of genetic diseases, particularly in communities with high rates of consanguineous marriage. Therefore, knowledge, practice, and attitudes of the public in Jordan regarding genetic testing were investigated. Individuals (N = 3,196) were questioned about the concepts of genetic testing and genetic counselors, if they underwent any genetic tests, the type of test, the method of consenting to the test, as well as their level of satisfaction with the privacy of the genetic testing service. The likelihood of pursuing predictive genetic testing for cancer was also investigated. Although almost 70 % of respondents knew the term "genetic testing," only 18 % had undergone genetic testing, primarily the mandatory premarital test. In addition, there was a lack of general knowledge about genetic counselors. Many of those who had genetic testing (45 %) indicated they did not go through a consent process, and a lack of consent was significantly related to dissatisfaction with the privacy of the service. Approximately 55 % of respondents indicated they would potentially pursue predictive genetic testing for cancer. Going for routine health checkups was not significantly correlated with either actual or potential uptake of genetic testing, suggesting health care providers do not play an influential role in patients' testing decisions. Our results show a gap between the knowledge and uptake of genetic testing and may help to guide the design of effective strategies to initiate successful genetic counseling and testing services.
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