About the USAGE Survey Respondents
All participants self-reported they were over 18 years old and diagnosed with high cholesterol by a doctor. They were either taking statins currently (88%) or had used them previously but discontinued (12%). Among current users, 63% were taking a gen statin. Fewer former users (45%) were on a gen version. Among all respondents, 11% had requested a specific statin.
USAGE survey respondents were predominantly Caucasian (92%), female (61%), middle income ($62,912/yr), with health insurance (93%) and with a mean age of 61 years. The average age at statin initiation was 50 years. It should be noted that the respondents are neither a representative sample of the U.S. population nor of all former and current statin users.
Current users had lower total cholesterol on average (173 mg/dL) than did former users (223 mg/dL). Drug compliance was good among statin users, with 82% of current statin users reported missing zero or one dose per month. Forgetfulness was cited as the primary reason for missed doses among current users (69%).
The majority of respondents had other medical conditions, such as high blood pressure, arthritis and/or diabetes, in addition to high cholesterol.
The USAGE survey was fielded from September 21, 2011 to October 17, 2011 via an Internet-based, self-administered questionnaire developed by Kantar Health. Survey respondents were identified through the Ailment Panel of Lightspeed Online Research, a worldwide registered consumer panel cohort. The USAGE survey protocol and questionnaire were Health Insurance Portability and Accountability Act compliant and were reviewed and approved by the Essex Institutional Review Board (Lebanon, NJ).