Recruitment, consent and retention of participants in randomised controlled trials: a review of trials published in the National Institute for Health Research (NIHR) Journals Library (1997–2020)

• Stephen J Walters,
• Richard M Jacques,
• Rebecca M Simpson,
• Rashida Ahmed,
• James Harper,
• Adya Ranjan,
• Isra Saeed

Affiliations

Stephen J Walters

School of Health and Related Research, The University of Sheffield, Sheffield, UK

Richard M Jacques

School of Health and Related Research, The University of Sheffield, Sheffield, UK

Rebecca M Simpson

School of Health and Related Research, The University of Sheffield, Sheffield, UK

Rashida Ahmed

School of Health and Related Research, The University of Sheffield, Sheffield, UK

James Harper

School of Health and Related Research, The University of Sheffield, Sheffield, UK

Adya Ranjan

School of Health and Related Research, The University of Sheffield, Sheffield, UK

Isra Saeed

School of Health and Related Research, The University of Sheffield, Sheffield, UK