TABLE I.

Information on Choices from a Nationally Representative Sample, 2007

A. Knowledge of plans
Knew different plans were better for different people	0.82
Knew one could only change plans during open enrollment	0.74
Knew that not all plans have a deductible	0.37
Knew plans have different co-payments for generics	0.55
B. Plan satisfaction and switching
At least somewhat satisfied with 2006 plan	0.85
Switched plans from 2006 to 2007	0.10
C. Information source about plans
Read at least some of Annual Notice of Change	0.57
Ever reviewed mailings for plan choice	0.53
Ever had in-person contact for plan choice	0.14
Ever had phone contact for plan choice	0.07
Ever used internet for plan choice	0.04
Ever reviewed side-by-side comparison for choice	0.34
Ever reviewed personalized information for choice	0.18
Sample size	348

Notes. Data are from a phone survey of Medicare beneficiaries over age 65 who were enrolled in stand-alone Medicare prescription drug plans, as described in section IV. A. The Annual Notice of Change is a mailing from the current plan describing changes in that plan for the coming year.