1 of 1- 1.0 Points Question 23 of 29 A cross-sectional study finds that persons

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1 of 1- 1.0 Points Question 23 of 29 A cross-sectional study finds that persons younger than 70 years of age have a higher prevalence of pneumonia than those older than age 70 . which of the following is the best explanation for this observation? O A Persons younger than 70 have a higher incidence of pneumonia O B Persons younger than 70 are more likely to have complete follow-up in preumonia studies O Cincidence rates may be equal in both age categories, however, persons older than 70 have a shorter duration of pneumonia compared to those younger than 70 O D Persons younger than 70 are more likely to be exposed to pneumonia Reset Selection us Next

Explanation / Answer

From the cross sectional study, it has been found that person's younger than 70 years of age have higher prevalence of pneumonia than those older than 70 years of age. So, the best explanation of this observation is that incidence rate may be equal in both age categories, however persons older than 70 have a shorter duration of pneumonia compared to those to younger than 70 years that is option C.

Hence option C is the correct answer.

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