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Charlie Welch
Charlie Welch
Research Fellow (Statistician), University of York
Verified email at york.ac.uk
Title
Cited by
Cited by
Year
Effectiveness of offering tailored text message, self‐help smoking cessation support to pregnant women who want information on stopping smoking: MiQuit3 randomised controlled …
T Coleman, M Clark, C Welch, R Whitemore, J Leonardi‐Bee, S Cooper, ...
Addiction 117 (4), 1079-1094, 2022
132022
An evaluation of a personalised text message reminder compared to a standard text message on postal questionnaire response rates: an embedded randomised controlled trial
A Cochrane, C Welch, C Fairhurst, S Cockayne, DJ Torgerson, ...
F1000Research 9, 2020
132020
Dupuytren’s interventions surgery versus collagenase (DISC) trial: study protocol for a pragmatic, two-arm parallel-group, non-inferiority randomised controlled trial
J Dias, C Arundel, P Tharmanathan, A Keding, C Welch, B Corbacho, ...
Trials 22, 1-15, 2021
102021
A multicentre, randomized, parallel group, superiority study to compare the clinical effectiveness and cost-effectiveness of external frame versus internal locking plate for …
L Flett, J Adamson, E Barron, S Brealey, B Corbacho, ML Costa, ...
Bone & Joint Open 2 (3), 150-163, 2021
82021
Evaluating ‘enhancing pragmatic language skills for young children with social communication impairments’(E-PLAYS): protocol for a feasibility randomised controlled trial study
S Murphy, V Joffe, D Messer, S Crafter, J Radley, S Sunthararajah, K Bell, ...
Pilot and Feasibility Studies 5, 1-13, 2019
72019
Evaluating ‘Enhancing Pragmatic Language skills for Young children with Social communication impairments’(E-PLAYS): a feasibility cluster-randomised controlled trial
S Murphy, V Joffe, L Donald, J Radley, S Sunthararajah, C Welch, K Bell, ...
Pilot and Feasibility Studies 7, 1-18, 2021
52021
SWAT 109: The effectiveness of a text message reminder which participants can respond to, compared with a ‘no reply’text message on questionnaire response rates
A Parker, S Brealey, H Sharma, C Welch, A Keding, L Flett, D Hunkins, ...
The Northern Ireland Network for Trials Methodology Research: SWAT …, 2017
52017
A randomised controlled trial of compression therapies for the treatment of venous leg ulcers (VenUS 6): study protocol for a pragmatic, multicentre, parallel-group, three-arm …
CE Arundel, C Welch, P Saramago, U Adderley, R Atkinson, I Chetter, ...
Trials 24 (1), 357, 2023
32023
Can learnings from the COVID-19 pandemic improve trial conduct post-pandemic? A case study of strategies used by the DISC trial
C Knowlson, P Tharmanathan, C Arundel, S James, L Flett, S Gascoyne, ...
Research Methods in Medicine & Health Sciences 4 (2), 50-60, 2023
12023
Report for the EcoNomics of Adaptive Clinical Trials (ENACT) project: Application of a Bayesian Value-Based Sequential Model of a Clinical Trial to the CACTUS and HERO Case …
M Forster, L Flight, B Corbacho, A Keding, S Ronaldson, P Tharmanathan, ...
Report for the EcoNomics of Adaptive Clinical Trials (ENACT) project …, 2021
12021
Smoking, nicotine and pregnancy 2 (SNAP2) trial: protocol for a randomised controlled trial of an intervention to improve adherence to nicotine replacement therapy in pregnancy
M Clark, S Cooper, F Naughton, M Ussher, J Emery, L Mcdaid, ...
BMJ Open, 2024
2024
Is it feasible to nest a Trial within a Cohort Study (TwiCS) to evaluate an early years parenting programme? A Born in Bradford’s Better Start study protocol
KE Mooney, C Welch, K Crossley, T Bywater, J Wright, J Dickerson, ...
Pilot and Feasibility Studies 10 (1), 19, 2024
2024
An assessment of the teacher completed ‘Early Years Foundation Stage Profile’as a routine measure of child developmental health
KE Mooney, C Welch, G Palliser, RW Cheung, D Nielsen, LH Eddy, ...
medRxiv, 2024.04. 14.24305793, 2024
2024
Study within a trial 119: The effectiveness of a thank you card to improve trial follow up; a randomised study within a trial
C Arundel, C Welch, P Tharmanathan, J Dias
Research Methods in Medicine & Health Sciences, 2024
2024
Children Learning About Secondhand Smoke (CLASS III): a protocol for a cluster randomised controlled trial of a school-based smoke-free intervention in Bangladesh and Pakistan
R Huque, K Siddiqi, M Khokhar, C Jackson, M Kanaan, C Hewitt, I Kellar, ...
BMJ open 13 (7), e068620, 2023
2023
174 The EXTEND Trial: EXTENDed Antibiotics to Improve Outcomes in Patients with Complicated Intra-Abdominal Infection
O O'Connor, A Kirby, S Ahmed, R Harmston, C Hewitt, C Knowlson, ...
British Journal of Surgery 109 (Supplement_6), znac268. 055, 2022
2022
An evaluation of a personalised text message reminder compared to a standard text message on postal questionnaire
A Cochrane, C Welch, C Fairhurst, S Cockayne
2020
Timing of text message reminders to increase trial participant response to postal questionnaires: an embedded randomized trial
A Parker, S Brealey, A Keding, L Kottam, A Mitchell, M Northgraves, ...
Trials 20, 2019
2019
Incorporating estimated correlation between baseline and follow-up measurements into sample size calculations in randomised trials: Efficient design or type 2 error risk?
C Welch, L Flett, D Torgerson
TRIALS 20, 2019
2019
Efficacy of the ParentChild+ programme: trial evaluation protocol
L Tracey, C Torgerson, C Welch, C Fairhurst, N Gridley, X Qi
2019
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