Diseases control is based on surveillance system of disease in national health system. On time reporting of diseases and appropriate action for reported cases are required in the national health system. Therefore making physicians familiar with accurate definitions of diseases, what diseases are internationally valuable to be reported and how to report them are priorities of the surveillance system of diseases. This study assessed general practitioners’ knowledge who work in Tehran of this requirements of the surveillance system. The study was conducted along both private and governmental sectors. This study was a comparative descriptive study. 200 physicians in governmental and private sectors in Tehran were contributed in this study and filled a questioner. For analyzing of the data, SPSS software was used. Calculated mean total score among governmental sector and private sector physicians was 22.7(±7.4) and 18.9(±8.3) respectively. These scores were significantly different (p=0.001). There was no significant relation between sex and total score. An age differences in these two studied group was considered by defining age sub groups and total score was calculated in this sub groups accordingly. The highest calculated score was achieved by younger subgroup in government physicians, which was significantly different with the same age sub group in private sector. The lowest calculated score was in + 35 years old physicians working in private sector and there was no significant difference between this subgroup and the similar age subgroup in government sector. Two age subgroups of government sector had significant difference in mean total score(p=0.003) but this difference was not significant in private sector age sub groups. To predict the total score with having age, job sub group(private-governmental) and years after graduation parameters a multiple linear regression model was used. We found that these variables participate in determining the total score. Mean total score in governmental physicians who have management activities was significantly higher than clinicians. Physician knowledge of reportable diseases was lower than 50% of score. Governmental sector physicians showed a better understanding of surveillance system reporting requirements.

Keywords: Key Words: 1) Surveillance 2) Reportable 3) Private 4) Disorders

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