Evaluation of Written Prescription Information Provided in Community Pharmacies: A National Study

7/18/02


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Table of Contents

Evaluation of Written Prescription Information Provided in Community Pharmacies: A National Study

Study done in cooperation with...

National Expert Panel

Panelists

Past Studies

How does this study differ?

Primary Aims of Study

Secondary Aims of Study

Objectives for Today

Study Design

Sampling of Pharmacies

Observer Protocol

Standard Scenario

Observer Protocol (cont.)

Expert Evaluation Forms

Eight Criteria from 1996 Action Plan for Useful Information

Eight Criteria from 1996 Action Plan for Useful Information

Scoring Method for Expert Forms

Scoring Categories

Inter-rater Reliability

Expert Rating Process

Consumer Evaluation Form

Scoring Categories for Consumer Form

Three Legibility Items

Six Comprehensibility Items

Three Summary Items

Test-Retest Reliability

Consumer Rating Process

Rater Characteristics

% Patient-Observers Given Any Written Information

Expert Ratings, All Criteria (n=1,367 leaflets)

Expert Ratings by Criterion

Highest Expert Ratings - Criterion 7 Scientifically Accurate, Unbiased, Up-to-date

Moderate Expert Ratings - Criteria 1 & 3

Low Expert Ratings - Criteria 5 & 6

Lowest Expert Ratings - Criteria 2 & 4

Lowest Expert Ratings - Criterion 8 Legibility/Comprehensibility

Consumer Ratings, All Items (%)

Consumer Scores by Item

Consumer Scores on Readability & Understandability Items

Consumer Scores on Usefulness Item

Expert Versus Consumer Ratings

Expert Rating of Usefulness by Consumer Rating of Usefulness Item (n=339 atenolol leaflets)

Conclusions -- Part I

Results -- Part II What factors might influence leaflet ratings?

Leaflet Ratings by Consumer Characteristics

Leaflet Distribution and Ratings by Pharmacy Type

Expert Ratings by Leaflet Length

Consumer Ratings by Leaflet Length

Consumer Ratings by Font Size

Consumer Ratings of Readability by Font Size

Data Vendors Examined

Leaflet Length by Vendor

Results By Data Vendor

Expert Ratings by Vendor

Ratings of Atenolol Leaflets by Vendor

Ratings of Atenolol Leaflets by Vendor

Consumer Ratings by Vendor

Consumer Ratings of Atenolol Leaflets by Vendor

Data Vendor by Pharmacy Type

Analysis of Vendor 1 Leaflets

Results

Expert Ratings by Leaflet Version

Expert Ratings by Leaflet Version

Additions/Deletions from Prototypes

Ratings of Distributed Versus Prototype Leaflets -- Atenolol Version 1

Ratings of Distributed Versus Prototype Leaflets -- Atenolol Version 2

Ratings of Distributed Versus Prototype Leaflets -- Atenolol Version 3

Conclusions (1)

Conclusions (2)

Conclusions (3)

Examples

Author: Bonnie L. Svarstad