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Citation Information

Type Journal Article - Sultan Qaboos University Medical Journal
Title Public Knowledge of Oral Cancer and Modelling of Demographic Background Factors Affecting this Knowledge in Khartoum State, Sudan
Author(s)
Volume 16
Issue 3
Publication (Day/Month/Year) 2016
Page numbers e335-e340
URL https://www.squmj.org/index.php/squmj/article/download/142/138
Abstract
Objectives: Knowledge of oral cancer affects early detection and diagnosis of this disease. This
study aimed to assess the current level of public knowledge of oral cancer in Khartoum State, Sudan, and examine
how demographic background factors affect this knowledge. Methods: This cross-sectional study involved 501
participants recruited by systematic random sampling from the outpatient records of three major hospitals in
Khartoum State between November 2012 and February 2013. A pretested structured questionnaire was designed
to measure knowledge levels. A logistic regression model was utilised with demographic background variables as
independent variables and knowledge of oral cancer as the dependent variable. A path analysis was conducted to
build a structural model. Results: Of the 501 participants, 42.5% had no knowledge of oral cancer, while 5.4%, 39.9%
and 12.2% had low, moderate and high knowledge levels, respectively. Logistic regression modelling showed that
age, place of residence and education levels were significantly associated with knowledge levels (P = 0.009, 0.017
and <0.001, respectively). According to the structural model, age and place of residence had a prominent direct
effect on knowledge, while age and residence also had a prominent indirect effect mediated through education
levels. Conclusion: Education levels had the most prominent positive effect on knowledge of oral cancer among
outpatients at major hospitals in Khartoum State. Moreover, education levels were found to mediate the effect of
other background variables.

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