Question 1 is based on the following information: Swaziland is a small country r

Question

Question 1 is based on the following information:

Swaziland is a small country relative to many other nations and the age distribution has more young people than old people. Thus, the epidemiologists who collected and analyzed the data want to know how these rates compare to other countries. Before making any comparisons, the epidemiologists first perform an age adjustment

Explain why is it important to make an age adjustment before comparing the data?

Fill-in-the-blank

2. Comparing the crude rates between two populations often is incorrect because of differences in population ____________ that confound the researcher’s ability to determine the relationship between the cause and effect.

Explanation / Answer

Answer: 1

Age adjustment is required to avoid the “selection bias”. It will be difficult for researchers to collect the accurate results.

Fill-in-the-blank

2. Comparing the crude rates between two populations often is incorrect because of differences in population ___Age___ that confound the researcher’s ability to determine the relationship between the cause and effect.

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