Status:Closed    Asked:Aug 18, 2017 - 03:26 PM

Changes in PSAEV variable between 2003 and 2005. Steep drop.

I noticed that between the year 2003 and 2005, there is a steep drop in the percent of men screened with a PSA ever. The comparability tab suggests that there are little or no comparability issues but I remain skeptical that this drop is a real change.

Does anyone have an explanation for this difference?

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Staff Answer


Jeff Bloem


This change can be explained by the change in the universe between 2003 and 2005. In 2003, the universe was: "male sample adults age 40+ who ever heard of PSA test or refused knowledge of PSA test." While in 2005, the universe was, "male sample adults age 40+." These notes can be found on the Universe Tab.

I hope this helps. Let us know if you have any further questions.


Aug 21, 2017 - 03:58 PM

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