A group of researchers at Mizzou investigates a potential association between fo

Question

A group of researchers at Mizzou investigates a potential association between following sports and developing diabetes. The group finds a survey of the Class of 1995 which included several health status markers, including height, weight, date of birth, smoking status, and sports followed. About half of the Class of 1995 also participated in a fasting blood glucose level screening, used to establish whether or not each person was diabetic, pre-diabetic, or without evidence of diabetes. With permission from study participants, the researchers get access data from the survey and health screening. In 2015, researchers survey participants from the Class of 1995 to find out about diagnoses of diabetes in the 20 years since the first survey was taken.

What kind of study is this? How can you tell? Which is the best sub-group to choose for continuing study? Be specific.

Explanation / Answer

This is a longitundinal study as it invovles study of same participants after a period of 20 years. The best sub-group to choose for continuing study will be people from Class of 1995 who were without any evidence of diabetes 20 years ago. This is because aim of study is to find association between following sports and developing diabetes.  

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