Due to the different selection processes, we observed differences in the health status of the intervention and the control group.
The results of the reviewed studies show considerable variation, due to differences in exposure level and differences in the health care systems of different countries.
Chi-square test was performed to analyze differences in the health- seeking behavior between different socio-demographic groups of migrant workers.
Do the allocations estimated by different types of models make sense given what we know about differences in the health status and mortality patterns in regional populations?
Barbara Cocilova, the nurse practitioner here, sees differences in the health of these sisters compared with elderly patients in other settings.
In America there are marked differences in the health profiles of Hispanics and blacks at the same income level.
The report noted several possible causes, including differences in the health of women before they become pregnant, in access to health care and in the quality of health care".
It may be that the apparent protective effect on the heart found in the observational studies is attributable to differences in the health behaviors of women who take the therapy and those who do not.
When researchers correct for factors such as education and income comparing white high school dropouts with black high school dropouts, for example there are still significant differences in the health risks and outcomes between races.
However, there are great differences in the health and development linked to social origins.
(The issue of differences in the health of patients is simply ignored).
