Biostatistics problem .....please help Which of the following health outcomes co

Question

Biostatistics problem .....please help

Which of the following health outcomes could be studied using a cross - sectional study design? Choose all that apply. a) The prevalence of diabetes among adults in the United States in 2014 b) The prevalence of diabetes among all patients seen at a particular health clinic on one day in 2014 c) The number of new cases of diabetes diagnosed among at risk adults in the United States in 2014 d) The number of people in a population with diabetes who are obese and the number of people in a population with diabetes who are not obese, in the United States in 2014

Explanation / Answer

Cross-sectional study have the following characteristics :-

1) takes place at a single point of time...

2) variables are not manipulated by researchers....

3) the data comes from different groups but compared at a time ...... etc

So, I think among the above outcomes.... the following outcomes are crossed-sectional study design .... as the data comes from the whole population ( not only from adults) at a time and variables are not manipulated....

b) The prevalence of diabetes all patients seen at a particular health clinic on one day in 2014 ...

and

d) The number of people in a population with diabetes who are obese and the number of people in a population with diabetes are not obese, in United States in 2014.

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