Conditional versus non-conditional incentives to maximise return of participant completed questionnaires in clinical trials: a cluster randomised study within a trial

<p><strong>Background</strong> High participant retention enhances the validity of clinical trials. A monetary incentive can increase retention, but it is not known if when it is provided and if it is conditional matters. We aimed to determine whether there was a difference in the...

Szczegółowa specyfikacja

Opis bibliograficzny
Główni autorzy: Cook, J, Cook, JA, Bongard, E, Heneghan, C, Butler, CC
Format: Journal article
Język:English
Wydane: BioMed Central 2023

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