Question

A study is conducted in a patient with HIV.Lower CD4 count is associated with advance disease. A researcher is interested in the association between vitamin supplement and CD4 count.A MULTIPLE REGRESSION ANALYSIS is performed relating CD4count to the use of supplements(coaded as 1=yes, 0=No)and to the duration of HIV in years(i.e, the number of years between the diagnosis of HIV and the study date). For the analysis,
y= CD4count
y hat= 501.41+12.67(supplement)-30.23(duration of HIV).
a) What is expected CD4 count for patient taking supplement who has had HIV for 2.5 yyears?
b) what is expected CD4 count for patient not taking supplement who was dignosed with HIV at study enrollment?
c) what is expected CD4 count for patient not taking supplement who has had HIV for 2.5 years?

Related Questions

A patient needs at least 36 units of vitamin supplement A, at least 36 units of vitamin supplement B... A study is conducted in patient with HIV. Lower CD4 count is associated with advance disease. The re... A researcher is conducting a worldwide study of the red blood cell count in children with a certain... A researcher conducted a survey and found that people who took vitamin C every day had fewer colds t...