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., 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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