Pre-COVID-19 pandemic health-related behaviours in children (2018–2020) and association with being tested for SARS-CoV-2 and testing positive for SARS-CoV-2 (2020–2021): a retrospective cohort study using survey data linked with routine health data in Wales, UK

Date first appeared online	07/09/2022
DOI	10.1136/bmjopen-2022-061344
Authors	Marchant E., Lowthian E., Crick T., Griffiths L., Fry R., James M., Cowley L., Torabi F., Kennedy J., Akbari A., Lyons R., Brophy S.
Journal Name	BMJ Open
Volume	12

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