• L Novack, A Jotkowitz, B Knyazer, and V Novack.
• Department of Epidemiology and Health Services Evaluation, Faculty of Health Sciences, Ben-Gurion University in the Negev, Beer-Sheva, Israel.
• Postgrad Med J. 2006 Dec 1; 82 (974): 817822817-22.

BackgroundAn understanding of statistical methods and basic epidemiology are crucial for the practice of modern medicine.AimsTo assess (1) the knowledge of basic methods of conducting research and data analysis among residents and practicing doctors and (2) the effect of country of medical school graduation, professional status, medical article reading and writing experience on the level of this knowledge.MethodsData were collected by means of a supervised self-administered questionnaire, which was distributed among doctors at Soroka Medical Center, Beer-Sheva, Israel. The questionnaire included 10 multiple-choice questions on basic epidemiology and statistics, and respondent demographical data.ResultsOf the 260 eligible doctors, 219 (84.2%) returned completed questionnaires. Of the 219 doctors, 50% graduated more than 8.5 years ago, 39.7% were specialists and the remaining were residents. The most frequent specialty was internal medicine (37.4%). Israel was the most frequent country of graduation (45.7%), followed by the former Soviet Union (Eastern medical education; 38.4%). The median total score of knowledge was 4 of 10 questions (interquartile range 2-6). A higher score was associated with a Western medical education, being a specialist, shorter elapsed time since graduation, higher number of publications and self-reported reading of "methods" and "discussion" sections in scientific articles.ConclusionThis study found a low level of knowledge of basic principles of research methods and data analysis among doctors, and this knowledge considerably differed by country of medical school graduation.

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