Certain limitations of the study must be recognized before applying the results to specific implications. The data were collected through a self-administered survey, which could lead to mixed interpretation and respondent bias. To help counter this possible bias, previously validated and reliable scales were used. Another limitation was that the survey was done in 1 major city, and the majority of the sample questionnaires were collected from patients filling a prescription at a chain pharmacy. Thus, the sample may not be representative of other regions across the United States with respect to enrollment in health insurance plans.
In addition, since only 10 surveys were collected from each pharmacy, there is a potential sampling bias that could reduce the number of respondents from certain groups. For example, the representation of the Medicaid population in our study was low. In addition, the representative sample was slightly skewed towards younger consumers. Also, since the study did not specifically evaluate the effect of benefit designs, there is a possibility that knowledge regarding benefit designs may influence knowledge regarding formularies.
© 2004 Cliggott Publishing, Division of CMP Healthcare Media
Cite this: How Patients View Pharmacy Benefit Plans and Management Strategies - Medscape - Jul 01, 2004.