Dr Maguire’s research focuses on understanding the determinants of population mental ill health and death by suicide, with a particular focus on making use of secondary data, i.e. anonymized, linked existing and administrative datasets via the Administrative Data Research Network (ADRN), the Honest Broker Service (HBS) and the Northern Ireland Longitudinal Study (NILS). Data include (but are not limited to) prescribed medication data, hospital data, social services data and death records.