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The Strathprints institutional repository is a digital archive of University of Strathclyde's Open Access research outputs. Strathprints provides access to thousands of Open Access research papers by Strathclyde researchers, including by researchers from the Physical Activity for Health Group based within the School of Psychological Sciences & Health. Research here seeks to better understand how and why physical activity improves health, gain a better understanding of the amount, intensity, and type of physical activity needed for health benefits, and evaluate the effect of interventions to promote physical activity.

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Age at any birth and breast cancer risk

Robertson, C. and Boyle, P. (1998) Age at any birth and breast cancer risk. Statistics in Medicine, 17 (4). pp. 431-445. ISSN 0277-6715

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Abstract

This paper reviews previously published models of the effect of parity and age at any birth on breast cancer risk. It is shown that these models are conceptually similar and can be written within a general model. Various restrictions on the parameters of the general model yield the specific models. The models are applicable in case control studies and are illustrated using data from a case control study of breast cancer in Italy.