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OA-1 Data Details

OA-1 Increase the proportion of older adults who use the Welcome to Medicare benefit

About the Data

Description of the data source, numerator, denominator, survey questions, and other relevant details about the national estimate.

National Data Source
Medicare Administrative Data; Centers for Medicare & Medicaid Services (CMS)
Changed Since the Healthy People 2020 Launch
Baseline (Year)
6.4 (2008)
Target-Setting Method
10 percent improvement
Number of beneficiaries who had the service during the time window for which they were eligible to have the service For example, a beneficiary who enrolls December 2007 is eligible to have the service from December 2007 through May, a 6-month window that crosses 2 calendar years
Number of beneficiaries who enrolled in Medicare Part B in the calendar year of interest
Data Collection Frequency
Comparable Healthy People 2010 Objective
Not applicable
Methodology Notes

Almost all U.S. citizens aged 65 and over are enrolled in Medicare.

Revision History

Any change to the objective text, baseline, target, target-setting method or data source since the Healthy People 2020 launch.

Description of Changes Since the Healthy People 2020 Launch

In 2012, the original baseline was revised from 7.3 to 6.4 due to a change in programming. The target was adjusted from 8.0 to 7.0 to reflect the revised baseline using the original target-setting method.