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The University of Southampton
(023) 8076 4079

Dr Sarah Crozier BSc, MSc, PhD

Senior Medical Statistician

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Dr Sarah Crozier is a Senior Medical Statistician in the MRC Lifecourse Epidemiology Unit within the Faculty of Medicine at the University of Southampton.

Sarah Crozier is a senior medical statistician who has worked extensively on the Southampton Women’s Survey, an internationally-renown cohort study which recruited 12,583 young non-pregnant women living in the city of Southampton. Of these women, 3,158 went on to become pregnant and deliver a live-born singleton infant and the detailed follow-up of the offspring is continuing. The study design (unique in the Western world) allows detailed research into pre-pregnancy and pregnancy influences on offspring health.

Sarah’s research interests are in women’s health behaviours, dietary patterns analysis, predictors of childhood adiposity, and growth modelling methods.

Sarah teaches on the Epidemiological Methods module of the MSc in Statistics with Applications in Medicine.


BSc, Mathematics, University of Warwick (1996)
MSc, Statistics with Applications in Medicine, University of Southampton (1997)
PhD, Epidemiology, University of Southampton (2004)

Appointments held

1997-1999, Medical statistician, Centre for Applied Medical Statistics, University of Cambridge

2000-2005, Medical statistician, MRC Lifecourse Epidemiology Unit, University of Southampton

2005-2007, Medical statistician, MRC Research Laboratories, Fajara, The Gambia

2007-2009, Medical statistician, MRC Lifecourse Epidemiology Unit, University of Southampton

2009-present, Senior medical statistician, MRC Lifecourse Epidemiology Unit, University of Southampton

Research interests

Sarah’s research using the Southampton Women’s Survey has focused on women’s health behaviours. She is particularly interested in the application of statistical techniques to describe diet, and has used Principal Component Analysis to develop dietary patterns scores that characterise broad features of women’s, infants’ and children’s diets. The prudent diet score has been a particularly useful means of characterising one of the most important aspects of women’s dietary choices. Sarah has developed a 20-item food frequency questionnaire which enables prudent diet scores to be estimated amongst young women in Southampton.

A further aspect of Sarah’s research has been the investigation of predictors of childhood adiposity. In particular, she has found that low levels of maternal vitamin D and excessive pregnancy weight gain are associated with greater adiposity at age 6.

Sarah is also involved in research into the use of statistical techniques to model growth. She is interested in the application of a variety of techniques to answer clinical questions by using the extensive resource of anthropometric data in the Southampton Women’s Survey cohort.


Human Development and Health

Postgraduate student supervision

Michelle Henley, MSc (2002)

Brigitte Walther, MSc (2006)

Tom Docherty, MSc (2007)

Pratik Depala, MSc (2008)

Jenny Easby, MSc (2008)

Stephen Tang, MSc (2009)

Lauren Scott, MSc (2011)

Christos Chatzoglou, MSc (2013)

Ben Barton, MSc (2013)

Helena Smartt, MSc (2013)

Rebecca Parker, MSc (2014)

Agne Zarankaite, MSc (2015)

Adam von Ende, MSc (2017)

Sarah El-Heis, DM (2017)

Sarah Kirkham-Brown, MSc (2018)

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Sarah is module lead for the Epidemiological Methods module of the MSc in Statistics with Applications in Medicine at the University of Southampton.

Dr Sarah Crozier
MRC Lifecourse Epidemiology Unit University of Southampton Southampton General Hospital Southampton SO16 6YD Email:

Room Number: SGH/MRC/MP95

Telephone:(023) 8076 4079

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