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Dr Sarah Crozier BSc, MSc, PhD

Associate Professor of Statistical Epidemiology

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Dr Sarah Crozier is an Associate Professor of Statistical Epidemiology at the MRC Lifecourse Epidemiology Unit within the Faculty of Medicine at the University of Southampton.

Sarah graduated from the University of Warwick with a degree in Mathematics, and then completed an MSc in Statistics with Applications in Medicine at the University of Southampton.  Sarah was awarded her PhD under the supervision of Professor Hazel Inskip, whilst working at the MRC Lifecourse Epidemiology Unit.  Her PhD focussed on the multivariate analysis of dietary data and included the derivation of ‘prudent’ diet scores which characterise important aspects of women’s, infants’ and children’s diets.

The study of the adaptations of a fetus to stimuli in the early environment that permanently shape the body’s structure, function and metabolism, is a field known as Developmental Origins of Health and Disease (DOHaD).  Within this field, Sarah’s research interests focus around the influence of maternal health and health behaviours before and during pregnancy on the development of the offspring through her work on the Southampton Women’s Survey.  Her research has particularly focused on women’s health behaviours, dietary patterns analysis, childhood adiposity and growth modelling methods.

Improving population health and reducing health inequalities through food and nutrition-based initiatives is an important corollary of DOHaD findings. Sarah is involved in research to examine the psychological and socio-economic pathways between the food environment and diets of women and children through her work on the WRAPPED study.


Appointments held

Research interests

Sarah has worked extensively on the Southampton Women’s Survey, an internationally-renowned 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 follow-up of these offspring is continuing. The study design (unique in the Western world) allows detailed research into pre-pregnancy and pregnancy influences on offspring health.

Sarah is also the principal statistician on the WRAPPED study, an intervention study involving a collaboration with a UK discount supermarket chain frequently used by disadvantaged populations. This study aims to assess the influence of in-store product placement interventions on food purchasing and dietary patterns of women customers and their children.


Human Development and Health

Affiliate Department(s)

Medical Research Council Lifecourse Epidemiology Unit

Postgraduate student supervision
Completed: 2017 Sarah El-Heis (DM)
Current: Sarah Shaw (PhD)

Supervisor of 14 MSc summer projects, predominantly on the MSc in Statistics with Applications in Medicine at the University of Southampton

Examiner for 6 PhD theses

External examiner of the MRes in Child Health at University College London

Statistical editor, British Journal of Nutrition (2015 to present)

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  • Module lead for the Epidemiological Methods module of the MSc in Statistics with Applications in Medicine at the University of Southampton.
  • Lead of Introductory Statistics using Stata self-taught course at the MRC Lifecourse Epidemiology Unit.
  • Annual teaching on the external Epidemiology for Clinicians course.
Dr Sarah Crozier
MRC Lifecourse Epidemiology Unit
University of Southampton
Southampton General Hospital
Southampton SO16 6YD

Room Number: SGH/MRC/MP95

Telephone:(023) 8076 4079

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