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Table of Contents
Vol. 48, No. 3, 2002
Issue release date: May – June
Section title: Clinical Section
Gerontology 2002;48:170–173
(DOI:10.1159/000052837)

Difficulties of Recruitment for a Randomized Controlled Trial Involving Influenza Vaccination in Healthy Older People

Allsup S.J. · Gosney M.A.
Department of Geriatric Medicine, University of Liverpool, UK

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Article / Publication Details

First-Page Preview
Abstract of Clinical Section

Published online: April 15, 2002
Issue release date: May – June

Number of Print Pages: 4
Number of Figures: 0
Number of Tables: 1

ISSN: 0304-324X (Print)
eISSN: 1423-0003 (Online)

For additional information: http://www.karger.com/GER

Abstract

Background: In a randomized controlled trial to determine the cost benefits of influenza vaccination in fit healthy individuals aged 65–74 years, recruiting individuals to the study was more difficult than anticipated. Objectives: To investigate reasons for poor recruitment. Materials and Methods: 6,058 people were initially identified as eligible for the study but only 729 (12%) were subsequently randomized. Individuals (n = 2,583) who returned cards indicating that they did not wish to participate were sent a postal questionnaire asking for reasons why they felt unable to consent for the study. Results: 1,173/2,583 (45.4%) questionnaires were returned. A total of 2,621 reasons were given for nonparticipation, i.e. a mean of 2.2 reasons per questionnaire returned. Reasons given for noninvolvement were: reluctance to participate in a research project (53%); concerned about side effects (34%); self-perceived view of not requiring influenza vaccination (31.7%); preference for own doctor to give the vaccine (29.1%); objection to name ‘Geriatric Medicine’ on the letter of invitation (25.2%); already been vaccinated (17.3%); illness requiring vaccination out of the study (13.8%); previous bad reaction to the vaccine (6.4%); unable to attend on day of vaccination (4.3%); unable to get to general practice surgery (4%); already involved in a clinical trial (2.5%); fear of needles/dislike of injections (1.6%); doubts about vaccine efficacy (0.3%); egg allergy (0.2%). Conclusion: Inaccurate beliefs about influenza vaccination persist across a wide section of the community. Efforts should be made by all health professionals to correct these false beliefs and ensure that those at risk can be easily recognized and targeted for vaccination.

© 2002 S. Karger AG, Basel


Article / Publication Details

First-Page Preview
Abstract of Clinical Section

Published online: April 15, 2002
Issue release date: May – June

Number of Print Pages: 4
Number of Figures: 0
Number of Tables: 1

ISSN: 0304-324X (Print)
eISSN: 1423-0003 (Online)

For additional information: http://www.karger.com/GER


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Copyright: All rights reserved. No part of this publication may be translated into other languages, reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying, recording, microcopying, or by any information storage and retrieval system, without permission in writing from the publisher or, in the case of photocopying, direct payment of a specified fee to the Copyright Clearance Center.
Drug Dosage: The authors and the publisher have exerted every effort to ensure that drug selection and dosage set forth in this text are in accord with current recommendations and practice at the time of publication. However, in view of ongoing research, changes in government regulations, and the constant flow of information relating to drug therapy and drug reactions, the reader is urged to check the package insert for each drug for any changes in indications and dosage and for added warnings and precautions. This is particularly important when the recommended agent is a new and/or infrequently employed drug.
Disclaimer: The statements, opinions and data contained in this publication are solely those of the individual authors and contributors and not of the publishers and the editor(s). The appearance of advertisements or/and product references in the publication is not a warranty, endorsement, or approval of the products or services advertised or of their effectiveness, quality or safety. The publisher and the editor(s) disclaim responsibility for any injury to persons or property resulting from any ideas, methods, instructions or products referred to in the content or advertisements.