Tim P Morris

Scopus Author ID ORCID

Publication Activity (10 Years)

Years Active: 2016-2024
Publications (10 Years): 33

Top Venues

Statistics in medicine

Biometrical journal. Biometrische Zeitschrift

Clinical epidemiology

JMIR research protocols

UCL (PHD)

This page only lists publications with an associated author ORCID identifier.

Education History

UCL

United Kingdom

PHD

LSHTM

United Kingdom

MSC

University of Reading

United Kingdom

BSC

Publications

Thomas R Sullivan, Tim P Morris, Brennan C Kahan, Alana R Cuthbert, Lisa N Yelland
Categorisation of continuous covariates for stratified randomisation: How should we adjust? Statistics in medicine 43 (11) (2024)
Anne-Laure Boulesteix, Mark Baillie, Dominic Edelmann, Leonhard Held, Tim P Morris, Willi Sauerbrei
Editorial for the special collection "Towards neutral comparison studies in methodological research". Biometrical journal. Biometrische Zeitschrift 66 (2) (2024)
Anne-Laure Boulesteix, Mark Baillie, Dominic Edelmann, Leonhard Held, Tim P Morris, Willi Sauerbrei
Editorial for the special collection "Towards neutral comparison studies in methodological research". Biometrical journal. Biometrische Zeitschrift 66 (2) (2024)
Anne-Laure Boulesteix, Mark Baillie, Dominic Edelmann, Leonhard Held, Tim P Morris, Willi Sauerbrei
Editorial for the special collection "Towards neutral comparison studies in methodological research". Biometrical journal. Biometrische Zeitschrift 66 (2) (2024)
Thomas R Sullivan, Tim P Morris, Brennan C Kahan, Alana R Cuthbert, Lisa N Yelland
Categorisation of continuous covariates for stratified randomisation: How should we adjust? Statistics in medicine (2024)
Richard D Riley, Joie Ensor, Miriam Hattle, Katerina Papadimitropoulou, Tim P Morris
Two-stage or not two-stage? That is the question for IPD meta-analysis projects. Research synthesis methods (2023)
Lisa N Yelland, Jennie Louise, Brennan C Kahan, Tim P Morris, Katherine J Lee, Thomas R Sullivan
Handling misclassified stratification variables in the analysis of randomised trials with continuous outcomes. Statistics in medicine (2023)
Tim P Morris, Ian R White, Suzie Cro, Jonathan W Bartlett, James R Carpenter, Tra My Pham
Comment on Oberman & Vink: Should we fix or simulate the complete data in simulation studies evaluating missing data methods? Biometrical journal. Biometrische Zeitschrift (2023)
Rebecca M Turner, Tim Band, Tim P Morris, David J Fisher, Julian P T Higgins, James R Carpenter, Ian R White
A new approach to evaluating loop inconsistency in network meta-analysis. Statistics in medicine (2023)
Matteo Quartagno, Tim P Morris, Duncan C Gilbert, Ruth E Langley, Matthew G Nankivell, Mahesh Kb Parmar, Ian R White
A comparison of different population-level summary measures for randomised trials with time-to-event outcomes, with a focus on non-inferiority trials. Clinical trials (London, England) (2023)
Tim P Morris, Maarten van Smeden, Tra My Pham
The marginality principle revisited: Should "higher-order" terms always be accompanied by "lower-order" terms in regression analyses? Biometrical journal. Biometrische Zeitschrift (2023)
Beatriz Goulao, Tim P Morris, Jane Blazeby, Carrol Gamble, Katie Gillies, Lynn Laidlaw, Craig Ramsay, Irene Soulsby, Derek Stewart, Nikki Totton
Involving patients and the public In sTatistIcal Analysis pLans (INITIAL): A delphi survey. PloS one 18 (12) (2023)
Ian R White, Tra My Pham, Matteo Quartagno, Tim P Morris
How to check a simulation study. International journal of epidemiology (2023)
Christopher I Jarvis, Amy Gimma, Flavio Finger, Tim P Morris, Jennifer A Thompson, Olivier le Polain de Waroux, W John Edmunds, Sebastian Funk, Thibaut Jombart
Measuring the unknown: An estimator and simulation study for assessing case reporting during epidemics. PLoS computational biology 18 (5) (2022)
Tim P Morris, A Sarah Walker, Elizabeth J Williamson, Ian R White
Planning a method for covariate adjustment in individually randomised trials: a practical guide. Trials 23 (1) (2022)
Brennan C Kahan, Tim P Morris, Beatriz Goulão, James R Carpenter
Estimands for factorial trials. Statistics in medicine 41 (22) (2022)
Juan Carlos Bazo-Alvarez, Tim P Morris, James R Carpenter, Irene Petersen
Current Practices in Missing Data Handling for Interrupted Time Series Studies Performed on Individual-Level Data: A Scoping Review in Health Research. Clinical epidemiology 13 (2021)
Tra My Pham, Ian R White, Brennan C Kahan, Tim P Morris, Simon J Stanworth, Gordon Forbes
A comparison of methods for analyzing a binary composite endpoint with partially observed components in randomized controlled trials. Statistics in medicine 40 (29) (2021)
Matteo Quartagno, Tim P Morris, Ian R White
Why restricted mean survival time methods are especially useful for non-inferiority trials. Clinical trials (London, England) 18 (6) (2021)
Richard D Riley, Amardeep Legha, Dan Jackson, Tim P Morris, Joie Ensor, Kym I E Snell, Ian R White, Danielle L Burke
One-stage individual participant data meta-analysis models for continuous and binary outcomes: Comparison of treatment coding options and estimation methods. Statistics in medicine 39 (19) (2020)
Suzie Cro, Tim P Morris, Michael G Kenward, James R Carpenter
Sensitivity analysis for clinical trials with missing continuous outcome data using controlled multiple imputation: A practical guide. Statistics in medicine 39 (21) (2020)
Juan Carlos Bazo-Alvarez, Tim P Morris, Tra My Pham, James R Carpenter, Irene Petersen
Handling Missing Values in Interrupted Time Series Analysis of Longitudinal Individual-Level Data. Clinical epidemiology 12 (2020)
Anne-Laure Boulesteix, Rolf Hh Groenwold, Michal Abrahamowicz, Harald Binder, Matthias Briel, Roman Hornung, Tim P Morris, Jörg Rahnenführer, Willi Sauerbrei, null null, null null
Introduction to statistical simulations in health research. BMJ open 10 (12) (2020)
Tim P Morris, Ian R White, Michael J Crowther
Using simulation studies to evaluate statistical methods. Statistics in medicine 38 (11) (2019)
Tim P Morris, Christopher I Jarvis, William J Cragg, Patrick Peter John Phillips, Babak Choodari-Oskooei, Matthew Robert Sydes
Proposals on Kaplan-Meier plots in medical research and a survey of stakeholder views: KMunicate. BMJ open 9 (9) (2019)
Tra My Pham, James R Carpenter, Tim P Morris, Manuj Sharma, Irene Petersen
Ethnic Differences in the Prevalence of Type 2 Diabetes Diagnoses in the UK: Cross-Sectional Analysis of the Health Improvement Network Primary Care Database. Clinical epidemiology 11 (2019)
Tim P Morris, David J Fisher, Michael G Kenward, James R Carpenter
Meta-analysis of Gaussian individual patient data: Two-stage or not two-stage? Statistics in medicine 37 (9) (2018)
Ruth H Keogh, Tim P Morris
Multiple imputation in Cox regression when there are time-varying effects of covariates. Statistics in medicine 37 (25) (2018)
Tra My Pham, James R Carpenter, Tim P Morris, Angela M Wood, Irene Petersen
Population-calibrated multiple imputation for a binary/categorical covariate in categorical regression models. Statistics in medicine 38 (5) (2018)
Emma Wilson, Caroline Free, Tim P Morris, Jonathan Syred, Irrfan Ahamed, Anatole S Menon-Johansson, Melissa J Palmer, Sharmani Barnard, Emma Rezel, Paula Baraitser
Internet-accessed sexually transmitted infection (e-STI) testing and results service: A randomised, single-blind, controlled trial. PLoS medicine 14 (12) (2017)
Emma Wilson, Caroline J Free, Tim P Morris, Michael G Kenward, Jonathan Syred, Paula Baraitser
Can Internet-Based Sexual Health Services Increase Diagnoses of Sexually Transmitted Infections (STI)? Protocol for a Randomized Evaluation of an Internet-Based STI Testing and Results Service. JMIR research protocols 5 (1) (2016)
Emma Wilson, Caroline J Free, Tim P Morris, Jonathan Syred, Paula Baraitser
Addendum to: Can Internet-Based Sexual Health Services Increase Diagnoses of Sexually Transmitted Infections (STI)? Protocol for a Randomized Evaluation of an Internet-Based STI Testing and Results Service. JMIR research protocols 5 (3) (2016)
Mahesh K B Parmar, Matthew R Sydes, Tim P Morris
How do you design randomised trials for smaller populations? A framework. BMC medicine 14 (1) (2016)

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Publication Activity (10 Years)

Top Topics

Top Venues

Tim P Morris