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Joint estimation of Down syndrome risk and ascertainment rates: A meta-analysis of nine published data sets (1998)
Journal Article
Bray, I., Wright, D. E., Davies, C., & Hook, E. B. (1998). Joint estimation of Down syndrome risk and ascertainment rates: A meta-analysis of nine published data sets. Prenatal Diagnosis, 18(1), 9-20. https://doi.org/10.1002/%28SICI%291097-0223%28199801%2918%3A1%3C9%3A%3AAID-PD210%3E3.0.CO%3B2-F

In this paper we present an analysis of nine data sets in which ascertainment and maternal age risk of Down syndrome are estimated jointly using maximum likelihood. We include data on 4825 Down syndrome cases from nine previously published data sets.... Read More about Joint estimation of Down syndrome risk and ascertainment rates: A meta-analysis of nine published data sets.

Application of Markov chain Monte Carlo methods to modelling birth prevalence of Down syndrome (1998)
Journal Article
Bray, I., & Wright, D. E. (1998). Application of Markov chain Monte Carlo methods to modelling birth prevalence of Down syndrome. Journal of the Royal Statistical Society: Series C, 47(4), 589-602. https://doi.org/10.1111/1467-9876.00130

Data collected before the routine application of prenatal screening are of unique value in estimating the natural live-birth prevalence of Down syndrome. However, much of these data are from births from over 20 years ago and they are of uncertain qua... Read More about Application of Markov chain Monte Carlo methods to modelling birth prevalence of Down syndrome.

Using the Bristol City Council Quality of Life Survey (2011-2013) to support the Bristol Health Partners Health Integration Team ‘Active People: Promoting Healthy Life Expectancy’ – Preliminary analysis and recommendations for further analyses
Report
Bennett-Britton, B., Mundy, J., & Bray, I. (2016). Using the Bristol City Council Quality of Life Survey (2011-2013) to support the Bristol Health Partners Health Integration Team ‘Active People: Promoting Healthy Life Expectancy’ – Preliminary analysis and recommendations for further analyses

The purpose of this report is to explore the utility of the Bristol Quality of Life Survey for measuring levels of physical activity in Bristol to support the 'Active People: Promoting Healthy Life Expectancy' Health Integration Team (HIT). Key issue... Read More about Using the Bristol City Council Quality of Life Survey (2011-2013) to support the Bristol Health Partners Health Integration Team ‘Active People: Promoting Healthy Life Expectancy’ – Preliminary analysis and recommendations for further analyses.

Research Methods for Public Health
Book
McClean, S., Bray, I., de Viggiani, N., Bird, E., & Pilkington, P. (2019). Research Methods for Public Health. London: SAGE Publication

Public health research has undoubtedly played a key role in advancing people’s health and wellbeing. Recent successes in public health research are evident in celebrated achievements in health improvement and health protection, including advances in... Read More about Research Methods for Public Health.