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Search: authors:"Nuala A. Sheehan"

4 papers found.
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Age at menarche and lung function: a Mendelian randomization study

A trend towards earlier menarche in women has been associated with childhood factors (e.g. obesity) and hypothesised environmental exposures (e.g. endocrine disruptors present in household products). Observational evidence has shown detrimental effects of early menarche on various health outcomes including adult lung function, but these might represent spurious associations due to ...

Instrumental Variable Estimation of Causal Risk Ratios and Causal Odds Ratios in Mendelian Randomization Analyses

Medicine, Biological Sciences and Psychology, University of Leicester, Leicester, United Kingdom (Nuala A. Sheehan, Sha Meng); and School of Mathematics, Faculty of Science, University of Bristol, Bristol

Mendelian Randomisation and Causal Inference in Observational Epidemiology

Nuala Sheehan and colleagues describe how Mendelian randomization provides an alternative way of dealing with the problems of observational studies, especially confounding.