Many epidemiologists think that a high level of salt inthe diet causes high bloo

Question

Many epidemiologists think that a high level of salt inthe diet causes high blood pressure. INTERSALT is often citedto support this view. INTERSALT was a large study done at 52centers in 32 countries. Each center recruited 200 subjectsin 8 age- and sex- groups. Salt intake was measured, as wellas blood pressure and several possible confounding variables. After adjusting for age, sex, and other confounding variables, theauthors found a significant association between high salt intakeand high blood pressure. However, a more detailed analysisshowed that in 25 of the centers, there was a positive associationblood pressure and salt; in the other 27, the association wasnegative. Do the data support the theory that high levels of salt causehigh blood pressure? Answer yes or no, and explainbriefly. Many epidemiologists think that a high level of salt inthe diet causes high blood pressure. INTERSALT is often citedto support this view. INTERSALT was a large study done at 52centers in 32 countries. Each center recruited 200 subjectsin 8 age- and sex- groups. Salt intake was measured, as wellas blood pressure and several possible confounding variables. After adjusting for age, sex, and other confounding variables, theauthors found a significant association between high salt intakeand high blood pressure. However, a more detailed analysisshowed that in 25 of the centers, there was a positive associationblood pressure and salt; in the other 27, the association wasnegative. Do the data support the theory that high levels of salt causehigh blood pressure? Answer yes or no, and explainbriefly.

Explanation / Answer

Explanation: Yes, the data support the theory that high levels of saltcauses high blood pressure. From the regression out put we foundpositive association between high salt intake and high bloodpressure. And also the authors found a significant associationbetween high salt intake and high blood pressure. With the help ofthese facts we can say that it is significant. Yes, the data support the theory that high levels of saltcauses high blood pressure. From the regression out put we foundpositive association between high salt intake and high bloodpressure. And also the authors found a significant associationbetween high salt intake and high blood pressure. With the help ofthese facts we can say that it is significant.

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