Michael G Kenward

Summary

Affiliation: London School of Hygiene and Tropical Medicine
Country: UK

Publications

  1. doi request reprint Patient outcome after traumatic brain injury in high-, middle- and low-income countries: analysis of data on 8927 patients in 46 countries
    Mary J De Silva
    Department of Epidemiology and Population Health, London School of Hygiene and Tropical Medicine, Keppel Street, WC1E 7HT, London, UK
    Int J Epidemiol 38:452-8. 2009
  2. pmc Comparative field evaluation of combinations of long-lasting insecticide treated nets and indoor residual spraying, relative to either method alone, for malaria prevention in an area where the main vector is Anopheles arabiensis
    Fredros O Okumu
    Environmental Health and Ecological Sciences Thematic Group, Ifakara Health Institute, Ifakara, Tanzania
    Parasit Vectors 6:46. 2013
  3. doi request reprint The use of baseline covariates in crossover studies
    Michael G Kenward
    Medical Statistics Unit, London School of Hygiene and Tropical Medicine, University of London, Keppel Street, London, WC1E 7HT, UK
    Biostatistics 11:1-17. 2010
  4. ncbi request reprint Multiple imputation: current perspectives
    Michael G Kenward
    Medical Statistics Unit, London School of Hygiene and Tropical Medicine, Keppel Street, London, UK
    Stat Methods Med Res 16:199-218. 2007
  5. doi request reprint The analysis of very small samples of repeated measurements II: a modified Box correction
    Simon S Skene
    Department of Economics, Mathematics and Statistics, Birkbeck, London, UK
    Stat Med 29:2838-56. 2010
  6. ncbi request reprint Analysis of longitudinal trials with protocol deviation: a framework for relevant, accessible assumptions, and inference via multiple imputation
    James R Carpenter
    a Medical Statistics Department, London School of Hygiene and Tropical Medicine, London, UK
    J Biopharm Stat 23:1352-71. 2013
  7. doi request reprint The analysis of very small samples of repeated measurements I: an adjusted sandwich estimator
    Simon S Skene
    Department of Economics, Mathematics and Statistics, Birkbeck, London, UK
    Stat Med 29:2825-37. 2010
  8. ncbi request reprint Social capital and mental health: a comparative analysis of four low income countries
    Mary J De Silva
    London School Hygiene and Tropical Medicine, London, UK
    Soc Sci Med 64:5-20. 2007
  9. pmc Smoking cessation support delivered via mobile phone text messaging (txt2stop): a single-blind, randomised trial
    Caroline Free
    Clinical Trials Research Unit, London School of Hygiene and Tropical Medicine, UK
    Lancet 378:49-55. 2011
  10. ncbi request reprint The analysis of repeated 'direct' measures of change illustrated with an application in longitudinal imaging
    Chris Frost
    Medical Statistics Unit, Department of Epidemiology and Population Health, London School of Hygiene and Tropical Medicine, Keppel Street, London, UK
    Stat Med 23:3275-86. 2004

Collaborators

Detail Information

Publications22

  1. doi request reprint Patient outcome after traumatic brain injury in high-, middle- and low-income countries: analysis of data on 8927 patients in 46 countries
    Mary J De Silva
    Department of Epidemiology and Population Health, London School of Hygiene and Tropical Medicine, Keppel Street, WC1E 7HT, London, UK
    Int J Epidemiol 38:452-8. 2009
    ..Traumatic brain injury (TBI) is one of the leading causes of death and disability worldwide. The burden of TBI is greatest in low- and middle-income countries (LAMIC), yet little is known about patient outcomes in these settings...
  2. pmc Comparative field evaluation of combinations of long-lasting insecticide treated nets and indoor residual spraying, relative to either method alone, for malaria prevention in an area where the main vector is Anopheles arabiensis
    Fredros O Okumu
    Environmental Health and Ecological Sciences Thematic Group, Ifakara Health Institute, Ifakara, Tanzania
    Parasit Vectors 6:46. 2013
    ....
  3. doi request reprint The use of baseline covariates in crossover studies
    Michael G Kenward
    Medical Statistics Unit, London School of Hygiene and Tropical Medicine, University of London, Keppel Street, London, WC1E 7HT, UK
    Biostatistics 11:1-17. 2010
    ..We then describe alternative methods of analysis that avoid the cross-level bias. The development is illustrated throughout with 2 example trials, one balanced and orthogonal and one highly unbalanced and nonorthogonal...
  4. ncbi request reprint Multiple imputation: current perspectives
    Michael G Kenward
    Medical Statistics Unit, London School of Hygiene and Tropical Medicine, Keppel Street, London, UK
    Stat Methods Med Res 16:199-218. 2007
    ..Finally, we give some open questions that the increasing use of multiple imputation has thrown up, which we believe are useful directions for future research...
  5. doi request reprint The analysis of very small samples of repeated measurements II: a modified Box correction
    Simon S Skene
    Department of Economics, Mathematics and Statistics, Birkbeck, London, UK
    Stat Med 29:2838-56. 2010
    ....
  6. ncbi request reprint Analysis of longitudinal trials with protocol deviation: a framework for relevant, accessible assumptions, and inference via multiple imputation
    James R Carpenter
    a Medical Statistics Department, London School of Hygiene and Tropical Medicine, London, UK
    J Biopharm Stat 23:1352-71. 2013
    ..We then show how, under these assumptions, multiple imputation provides a practical approach to estimation and inference. We illustrate with data from a longitudinal clinical trial in patients with chronic asthma. ..
  7. doi request reprint The analysis of very small samples of repeated measurements I: an adjusted sandwich estimator
    Simon S Skene
    Department of Economics, Mathematics and Statistics, Birkbeck, London, UK
    Stat Med 29:2825-37. 2010
    ..This is shown to attain the correct test size but has very low power. Copyright © 2010 John Wiley & Sons, Ltd...
  8. ncbi request reprint Social capital and mental health: a comparative analysis of four low income countries
    Mary J De Silva
    London School Hygiene and Tropical Medicine, London, UK
    Soc Sci Med 64:5-20. 2007
    ..This suggests that structural social capital has context-specific effects and cognitive social capital more universal effects on maternal CMD...
  9. pmc Smoking cessation support delivered via mobile phone text messaging (txt2stop): a single-blind, randomised trial
    Caroline Free
    Clinical Trials Research Unit, London School of Hygiene and Tropical Medicine, UK
    Lancet 378:49-55. 2011
    ..We assessed the effect of an automated smoking cessation programme delivered via mobile phone text messaging on continuous abstinence, which was biochemically verified at 6 months...
  10. ncbi request reprint The analysis of repeated 'direct' measures of change illustrated with an application in longitudinal imaging
    Chris Frost
    Medical Statistics Unit, Department of Epidemiology and Population Health, London School of Hygiene and Tropical Medicine, Keppel Street, London, UK
    Stat Med 23:3275-86. 2004
    ..We illustrate the use of our models with data from a cohort of patients with Alzheimer's disease...
  11. doi request reprint Joint modeling of outcome, observation time, and missingness
    Michael G Kenward
    London School of Hygiene and Tropical Medicine, London, United Kingdom
    J Biopharm Stat 21:252-62. 2011
    ..The proposed approach is illustrated using data from a trial on the treatment of congestive heart failure, in which the response measurements were obtained by echocardiography...
  12. doi request reprint Last observation carried forward: a crystal ball?
    Michael G Kenward
    Medical Statistics Unit, London School of Hygiene and Tropical Medicine, London, United Kingdom
    J Biopharm Stat 19:872-88. 2009
    ....
  13. ncbi request reprint Sensitivity analysis after multiple imputation under missing at random: a weighting approach
    James R Carpenter
    Medical Statistics Unit, London School of Hygiene and Tropical Medicine, Keppel Street, London, UK
    Stat Methods Med Res 16:259-75. 2007
    ..We illustrate our approach with a small simulation study, and the analysis of data from a trial of interventions to improve the quality of peer review...
  14. pmc It's not what you play, it's how you play it: timbre affects perception of emotion in music
    Julia C Hailstone
    Dementia Research Centre, Institute of Neurology, University College London, London, UK
    Q J Exp Psychol (Hove) 62:2141-55. 2009
    ..Our findings show that timbre (instrument identity) independently affects the perception of emotions in music after controlling for other acoustic, cognitive, and performance factors...
  15. doi request reprint Optimizing the design of clinical trials where the outcome is a rate. Can estimating a baseline rate in a run-in period increase efficiency?
    Chris Frost
    Medical Statistics Unit, Department of Epidemiology and Population Health, London School of Hygiene and Tropical Medicine, Keppel Street, London, UK
    Stat Med 27:3717-31. 2008
    ..We show that run-in designs can materially reduce sample size provided that true between-subject variability in rates is large relative to measurement error...
  16. ncbi request reprint The analysis of longitudinal data using mixed model L-splines
    Sue J Welham
    Rothamsted Research, Harpenden AL5 2JQ, UK
    Biometrics 62:392-401. 2006
    ..In the spirit of time-series analysis, a periodic mixed model L-spline is developed, which partitions data into a smooth periodic component plus smooth long-term trend...
  17. ncbi request reprint Validation of surrogate markers in multiple randomized clinical trials with repeated measurements: canonical correlation approach
    Ariel Alonso
    Center for Statistics, Limburgs Universitair Centrum, Transnationale Universiteit Limburg, Universitaire Campus, B3590 Diepenbeek, Belgium
    Biometrics 60:845-53. 2004
    ..The methodology is illustrated on data from a meta-analysis of five clinical trials comparing antipsychotic agents for the treatment of chronic schizophrenia...
  18. ncbi request reprint Seven distinct dietary patterns identified among pregnant Finnish women--associations with nutrient intake and sociodemographic factors
    Tuula Arkkola
    Department of Paediatrics, PO Box 5000, 90014 University of Oulu, Oulu, Finland
    Public Health Nutr 11:176-82. 2008
    ..To identify and describe dietary patterns in a cohort of pregnant women and investigate whether the dietary patterns are associated with dietary intake and sociodemographic factors...
  19. ncbi request reprint Serum alpha-tocopherol concentrations and risk of type 1 diabetes mellitus: a cohort study in siblings of affected children
    Liisa Uusitalo
    Tampere School of Public Health, University of Tampere, Finland
    J Pediatr Endocrinol Metab 18:1409-16. 2005
    ..08 and 0.09, respectively). Although the results did not reach statistical significance, they support the hypothesis that high alpha-tocopherol levels may protect against DM1...
  20. ncbi request reprint Direct likelihood analysis versus simple forms of imputation for missing data in randomized clinical trials
    Caroline Beunckens
    Center for Statistics, Limburgs Universitair Centrum, Diepenbeek, Belgium
    Clin Trials 2:379-86. 2005
    ..In many clinical trials, data are collected longitudinally over time. In such studies, missingness, in particular dropout, is an often encountered phenomenon...
  21. ncbi request reprint Blood biochemistry and the risk of cancer
    Matti Hakama
    University of Tampere School of Public Health, Finland
    Acta Oncol 43:667-74. 2004
    ..They are, furthermore, consistent with the hypothesis that pooling of biochemical samples affects the levels of the substances and may affect the conclusions of epidemiological studies on causes of diseases...
  22. ncbi request reprint Analyzing incomplete longitudinal clinical trial data
    Geert Molenberghs
    Center for Statistics, Limburgs Universitair Centrum, Universitaire Campus, B 3590 Diepenbeek, Belgium
    Biostatistics 5:445-64. 2004
    ..The concepts developed here are illustrated using data from three clinical trials, where it is shown that the analysis method may have an impact on the conclusions of the study...