Attrition Revisited: Adherence and Retention in a Web-Based Alcohol Trial
Attrition Revisited: Adherence and Retention in a Web-Based Alcohol Trial
Elizabeth Murray
1
† , PhD, FRCGP, FRCP (Edin) ;
Ian R White
2
, PhD ;
Mira Varagunam
3
, PhD ;
Christine Godfrey
4
, BA ;
Zarnie Khadjesari
1
, PhD ;
Jim McCambridge
5
, PhD
1
e-Health Unit, Research Department of Primary Care and Population Health, University College London, London, United Kingdom
2
Medical Research Council Biostatistics Unit, Cambridge, United Kingdom
3
Research Department of Primary Care and Population Health, University College London, London, United Kingdom
4
Department of Health Sciences, University of York, York, United Kingdom
5
Department of Social and Environmental Health Research, London School of Hygiene and Tropical Medicine, London, United Kingdom
†deceased
Corresponding Author:
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Elizabeth Murray, PhD, FRCGP, FRCP (Edin)
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e-Health Unit
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Research Department of Primary Care and Population Health
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University College London
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Upper Floor 3, Royal Free Hospital
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Rowland Hill Street
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London, NW3 2PF
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United Kingdom
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Phone:
44 2077940500 ext 36747
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Fax: 44 2077941224
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Email: elizabeth.murray@ucl.ac.uk