Education

PhD in Statistics, University of Cambridge, 2004

Master in Statistics, CIMAT, Guanajuato, 1998

BSc in Actuarial Sciences, University of the Americas-Puebla, 1995

Employment

2015-present Senior Lecturer in Medical Statistics, Keele University, Staffordshire, UK.

2012-2015 Senior Biostatistician, MRC Human Nutrition Research, Cambridge, UK.

2008-2012 MRC Research Fellow in Biostatistics, Lancaster University, Lancaster, UK.

2005-2008 Research Associate, Lancaster University, Lancaster, UK.

2004-2005 Statistical Investigator, Centre for Mathematical Research, Guanajuato, Mexico.

List of publications

Please visit https://www.keele.ac.uk/pchs/staff/seniorresearchers/ivonnesolis-trapala/ for access to electronic copies of publications or links to publishers

Boyer, A., Solis-Trapala, I., Tabinor, M., Davies, S., Lambie, M. (2020). Impact of the Implementation of an Assisted Peritoneal Dialysis Service on Peritoneal Dialysis Initiation. Nephrology Dialysis Transplantation DOI: https://doi.org/10.1093/ndt/gfz287

Fallowfield, L., Solis-Trapala, I., Starkings, R., Matthews, L., Catt, S., May, S., Jenkins, V. (2019). Talking about Risk in the Context of Genomic Tests (TARGET): Development and evaluation of an educational programme to improve communication with patients with breast cancer. Breast Cancer Research Treatment. DOI: https://doi.org/10.1007/s10549-019-05316-7.

Jenkins, V., Solis-Trapala, I., Payne, H., Mason, M., Fallowfield, L., Shirley, M., Matthews, L., Catt, S. (2019). Treatment experiences, information needs, pain and quality of life in men with mCRPC: Results from the EXTREQOL study. Clinical Oncology, 31: 99-107.

Lambie, M., Teece, L., Johnson, D.W., Petrie, M., Mactier, R., Solis-Trapala, I., Belcher, J., Bekker, H.L., Wilkie, M., Tupling, K., Phillips-Darby, L., Davies, S.J. (2019). Estimating risk of encapsulating peritoneal sclerosis accounting for the competing risk of death. Nephrology Dialysis Transplantation DOI: https://doi.org/10.1093/ndt/gfz034.

Duff, C., Solis-Trapala, I., Driskell, O.J., Holland, D., Wright, H., Waldron, J.L., Ford, C., Scargill, J.J., Tran, M., Hanna, F.W., Pemberton, R.J., Heald, D.M., Fryer, A.A. (2018). The frequency of testing for glycated hemoglobin, HbA1c, is linked to the probability of achieving target levels in patients with sub-optimally controlled diabetes mellitus. Clinical Chemistry and Laboratory Medicine https://doi.org/10.1515/cclm-2018-0503.

Lawson, C., Solis-Trapala, I., Stromberg, A., Mamas, M., Dahlstrom, U., Jaarsma, T., Kadam, U (2018). Comorbidity health pathways in heart failure patients: A sequences-of-regressions analysis using cross-sectional data from 10,575 patients in the Swedish Heart Failure Registry. PLOS Medicine, https://doi.org/10.1371/journal.pmed.1002540.

Briggs, V., Solis-Trapala, I., Wailloo, A., McCullougch, K., Lambie, M., Caskey, F., Fotheringham, J., Davies, S., Wilkie, M. (2017). United Kingdom Catheter Study -Protocol Synopsis. Peritoneal Dialysis International. Doi: 10.3747/pdi.2017-00083.

Fallowfield, L.J., Solis-Trapala, I., Menon, U., Langridge, C., May, S., Ryan, A., Jacobs, I., Jenkins, V. for and on behalf of the UKCTOCS trialists (2017). The effect of ovarian cancer screening on sexual activity and functioning: Results from the UK Collaborative Trial of Ovarian Cancer Screening (UKCTOCS) RCT. British Journal of Cancer, 116(8): 1111-1117.

Davies, S.J., Caskey, F.J., Coyle, D., Lindley, E., Macdonald, J., Mitra, S., Wilkie, M., Davenport, A., Farrington, K., Dasgupta, I., Ormandy, P., Andronis, L., Solis-Trapala, I., Sim, J. (2017). Rationale and design of BISTRO: a randomized controlled trial to determine whether bioimpedance spectroscopy-guided fluid management maintains residual kidney function in incident haemodialysis patients. BMC Nephrology, 18: 138-149.

Almiron-Roig, E., Dominguez, A., Vaughan, D., Solis-Trapala, I., Jebb, S. (2016). Acceptability and potential effectiveness of commercial portion control tools amongst obese individuals. British Journal of Nutrition, 116: 1974-1983.

Chernova-Chernaya, J., Solis-Trapala, I. (2016). A simplified approach to estimating the distribution of occasionally-consumed dietary components, applied to alcohol intake. BMC Medical Research Methodology.DOI:10.1186/s12874-016-0178-3.

Solis-Trapala, I., Schoenmakers, I., Goldberg, G.R., Prentice, A., Ward, K.A. (2016). Sequences of regressions distinguish nonmechanical from mechanical associations between metabolic factors, body composition, and bone in healthy postmenopausal women. The Journal of Nutrition, 146: 846-854. DOI: 10.3945/jn.115.224485.

Walker, C.G., Solis-Trapala, I., Holzapfel, C., Ambrosini, G.L., Fuller, N.R., Loos, R.J.F., Hauner, H., Caterson, I.D., Jebb, S.A. (2015). The interplay between weight loss, diet and genetic predisposition on markers of type 2 diabetes mellitus risk. PLoS ONE 10(7):e0131681. DOI:10.1371/journal.pone.0131681.

Lewis, H.B., Ahern, A.L., Solis-Trapala, I., Walker, C.G., Reimann, F., Gribble, F.M., Jebb, S.A. (2015). The effect of covertly reducing food portion size at a single meal on daily energy intake and appetite control in overweight and obese adults. Obesity, 23: 1362-1370. DOI:10.1002/oby.21105.

Harder, H., Langridge, C., Solis-Trapala, I., Zammit, C., Grant, M., Rees, D., Burkinshaw, L., Jenkins, V. (2015). Evaluation of a specific yoga DVD for women following breast cancer surgery: An RCT. European Journal of Integrative Medicine, 7: 202-210.

Almiron-Roig, E., Tsiountsioura, M., Lewis, H.B., Wu J., Solis-Trapala, I., Jebb, S. (2015). Large portion sizes increase bite size and eating rate in overweight women. Physiology and Behavior, 139: 297-302.

Solis-Trapala, I. (2014). Multinbmod: Regression analysis of overdispersed correlated count data. R package version 1.0.
http://CRAN.R-project.org/package=multinbmod.

Almiron-Roig, E., Solis-Trapala, I., Dodd, J., Jebb, S. (2013). Estimating food portions. Influence of unit number, meal type and energy density. Appetite, 71: 95-103 http://dx.doi.org/10.1016/j.appet.2013.07.012

Jenkins, V., Catt, S., Banerjee, S., Gourley, C., Montes, A., Solis-Trapala, I., Monson, K., Fallowfield, L. (2013). Patients' and oncologists' views on the treatment and care of advanced ovarian cancer in the UK: results from the ADVOCATE study. British Journal of Cancer, 108(11):2264-2711, DOI:10.1038/bjc.2013.223.

Simcock, R., Fallowfield, L., Monson, K., Solis-Trapala, I., Parlour, L., Langridge, C., Jenkins, V. (2013). ARIX: A randomised trial of acupuncture v oral care sessions in patients with chronic xerostomia following treatment for head and neck cancer. Annals of Oncology, 24: 776-783.

Lobban, F., Solis-Trapala, I., Tyler, E., Chandler, C., Morriss, R.K., ERP Group (2013). The role of beliefs about mood swings in determining outcome for people with Bipolar Disorder. Cognitive Therapy Research, 37:51-60.

Fallowfield, L., Solis-Trapala, I., Jenkins, V. (2012). Evaluation of an educational program to improve communication with patients about early-phase trial participation. The Oncologist, 17: 377-383.

Todd, N., Solis-Trapala, I., Jones, S., Lobban, F. (2012). An online randomised controlled trial to assess the feasibility, acceptability and potential effectiveness of "Living with Bipolar": A web-based self-management intervention for Bipolar Disorder: Trial design and protocol. Contemporary Clinical Trials, 33: 679-688.

Lobban, F., Solis-Trapala, I., Symes, W., Morriss, R., ERP Group, University of Liverpool (2011). Early warning signs checklist for bipolar depression and mania: utility, reliability and validity. Journal of Affective Disorders, 133: 413-422.

Jenkins, V., Solis-Trapala, I., Parlour, L., Langridge, C., Fallowfield, L. (2011). The views of patients and the general public about expensive non-funded anti - cancer drugs in the NHS. Journal of the Royal Society of Medicine Short Reports, 2: 1-8.

Fallowfield, L., Solis-Trapala, I., Jones, A., Barrett, J., Langridge, C., Jenkins, V. (2011). Discussing expensive anti-cancer drugs. British Journal of Healthcare Management, 17: 206-212.

Jenkins, V., Solis-Trapala, I., Langridge, C., Catt, S., Talbot, D., Fallowfield, L. (2011). What oncologists believe they said and what patients believe they heard: an analysis of Phase 1 trial discussions. Journal of Clinical Oncology, 29: 61-68.

Crawford, T. J., Parker, E., Solis-Trapala, I. Mayes, J. (2011). Is the relationship of prosaccade reaction times and antisaccade errors mediated by working memory?. Experimental Brain Research, 208: 385-397.

Bartolucci, F., Solis-Trapala, I.L. (2010). Multidimensional latent Markov models in a developmental study of inhibitory control and attentional flexibility in early childhood. Psychometrika, 75: 725-743.

Ramos-Parra, M., Ulín-Montejo , F., Aguilar-Nieto, J.A., Solis-Trapala, I.L., Fierro- Carbajal, J.B. (2010). Modelación y estimación del volumen de tejido vegetal in vitro de Strombocactus disciformis basada en mediciones no intrusivas. Universidad y Ciencia, 26(2): 195-203.

Solis-Trapala, I.L. (2009). Contribution to the discussion of Approximate Bayesian inference for latent Gaussian models by using integrated nested Laplace approximations by H. Rue, S. Martino and N. Chopin, Journal of the Royal Statistical Society, Series B, 71: 381-382.

Solis-Trapala, I.L. (2007). Contribution to the discussion of Longitudinal data with dropout: objectives, assumptions and a proposal by P.J. Diggle, D. Farewell and R. Henderson, Applied Statistics, 56: 544.

Solis-Trapala, I.L., Carthey J., Farewell V.T., de Leval M.R. (2007). Dynamic modelling in a study of surgical error management. Statistics in Medicine, 26: 5189-5202.

Solis-Trapala, I.L., Farewell V.T. (2006). A note on robust inference from a conditional Poisson model. Biometrical Journal, 48: 117-130.

Shilling V., Jenkins V., Solis-Trapala I. (2006). The (mis)classification of chemofog- methodological inconsistencies in the investigation of cognitive impairment after chemotherapy. Breast Cancer Research and Treatment, 95: 125-129.

Solis-Trapala I., Farewell V. T. (2005). Regression analysis of overdispersed correlated count data with subject specific covariates. Statistics in Medicine, 24: 2557-2575.

Jenkins V., Fallowfield L., Solis-Trapala, I., Langridge C., Farewell V. (2005). Discussing randomised clinical trials of cancer therapy: evaluation of a Cancer Research UK training programme. BMJ, 330: 400-406.

Fallowfield L., Jenkins V., Farewell V., Solis-Trapala, I. (2003). Enduring impact of communication skills training: results of a 12-month follow up. British Journal of Cancer, 89: 1445-1449.