Public health at different levels

the role of application of dynamic assessment approach in improvement of iranian efl writing performance at different language proficiency levels

the present study sought to investigate the role of dynamic assessment (da) in improvement of iranian efl writing performance at different language proficiency levels. to this end, after conducting the quick placement test, 60 iranian efl learners were assigned to two groups with different language proficiency levels. in both groups each participant wrote two compositions, one before and one af...

Public Health at Yale *

Lead levels in women at delivery at the Muhimbili National Hospital: a public health problem.

Lead poisoning is a global health problem but unrecognized in African countries. Umbilical Cord Lead levels can be used to determine community exposure to lead. At delivery, 150 women were recruited for cord blood lead. A prevalence of 10% beyond the accepted range was found. Cord blood levels ranged from 0.1-18.1 microg/dl, with a mean of 4.1 microg/dl. There was no association between lead le...

Diagnostic levels in dental public health planning.

This concept paper discusses the rationale for using different diagnostic criteria for dental caries in public health programs. The author contends that epidemiological data or needs assessment surveys should collect data to provide information on the epidemiology of different stages of the caries process in order to enable planners to design tailored programs to prevent dental caries. In a rap...

Identification of Causes of the Occupational Stress for Health Providers at Different Levels of Health Care

OBJECTIVES To identify and compare the stressors in the work environment experienced by employees in primary health care and secondary health care, amongphysiciansand nurses. PATIENTS AND METHODS The survey was conducted to identify types of stressors by assessing health care workers employed in the primary and secondary health care services of the Public Institution, the Health Centre of the...