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A randomised trial of the effects on recruitment and retention of including a wet-ink signature and photograph in the patient invitation letter for a clinical trial: results from a Study Within a Trial (SWAT 3 and SWAT 53)

2022-02-11

Abstract excerpt

<h4>Background: </h4> There is uncertainty about the effects of modifications to trial patient invitation letters on recruitment and retention. However, such documents are important. <h4>Methods: </h4>: A 2x2 factorial design embedded a pair of randomised Studies Within a Trial (SWAT) within a large host trial (CLEAR), to evaluate the effects of including wet-ink signatures and photographs in the patient invitati...

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Literature Corpus work
79197b00-3fd2-5b99-88a8-3fddf1166ed8
DOI
10.12688/f1000research.75339.1
Open publication

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A randomised trial of the effects on recruitment and retention of including a wet-ink signature and photograph in the patient invitation letter for a clinical trial: results from a Study Within a Trial (SWAT 3 and SWAT 53)DOI 10.12688/f1000research.75339.1
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