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Where Does the Data for the Eisai Senior Health Digest Come From? |
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Data for the Eisai Senior Health Digest is sourced from 2 major researchers  –  Cooper Research and WilsonRx ®,  both with more than 20 years of health care marketing and senior market experience.  |
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Cooper Research Survey |
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Nationally representative sample of males and female participants – personally interviewed by telephone |
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Participant criteria
- 65 and older
- Enrolled in either a Prescription Drug Plan (PDP) or a Medicare Advantage
Prescription Drug (MA-PD) Plan
- Taking 1 or more prescribed medications |
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Sample Size: 400 qualified respondents |
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Statistical Confidence: +/- 0.10% at the 95% confidence level |
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For more information, contact Cooper Research, Cincinnati, OH at www.cooper-research.com. |
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WilsonRx® Survey |
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Self-administered, 8-page, written alternating-format questionnaire |
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Sample included 34,454 respondents across 11,237 senior households,
with a 48.5% response rate |
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Statistical Confidence: +/-0.5% at the 95% confidence level |
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WilsonRx® Survey, © 2008 Wilson Health Information, LLC, New Hope, PA.
For more information, contact info@WilsonRx.com or, visit www.wilsonRx.com. |
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