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Study protocol for CELLAR (COVID-related Eating Limitations and Latent dietary effects in the Atlantic Region): population-based observational study to monitor dietary intakes and purchasing during COVID-19 in four Atlantic Canadian provinces

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dc.contributor.authorMah, Catherine L
dc.contributor.authorFoster, Karen
dc.contributor.authorJago, Emily
dc.contributor.authorHajizadeh, Mohammad
dc.contributor.authorLuongo, Gabriella
dc.contributor.authorTaylor, Nathan
dc.contributor.authorFuller, Daniel
dc.contributor.authorYi, Yanqing
dc.contributor.authorEsan, Olukorede T
dc.contributor.authorLukic, Ryan
dc.contributor.authorClarke, Maria
dc.contributor.authorWranik, Wiesława Dominika
dc.contributor.authorBrimblecombe, Julie Kay
dc.contributor.authorPeeters, Anna
dc.date.accessioned2025-01-13T18:29:34Z
dc.date.available2025-01-13T18:29:34Z
dc.date.issued2022
dc.description.abstractIntroduction Poor diet is a leading preventable risk for the global burden of non-communicable disease. Robust measurement is needed to determine the effect of COVID-19 on dietary intakes and consumer purchasing, given the widespread changes to consumer food environments and economic precarity. The research objectives are as follows: (1) describe dietary intakes of foods, beverages and nutrients of concern during the COVID-19 pandemic; (2) quantify change in diet during COVID-19 as compared with prepandemic, previously captured in the provincial samples of the population-representative 2015 Canadian Community Health Survey-Nutrition and (3) examine how household purchasing practices predict dietary intakes during COVID-19. Methods and analyses Observational study of diet, using a population-based stratified probability sampling strategy allocated via dual-frame (landline and cellphone) calls to random-digit dialled numbers, followed by age-sex group quotas. The base population comprises the four provinces of the Atlantic region of Canada, jurisdictions with an excess burden of pre-existing dietary risk, compared with the rest of Canada. Our aim is n=1000 to obtain reliable estimates at a regional level to describe intakes and compare with prepandemic baseline. Data collection entails 12 weeks participation: (1) enrolment with sociodemographics (key dietary risk predictors such as age, sex, gender, pre-COVID-19 income, employment, household composition, receipt of economic relief, rural residence); (2) two 24hour diet recalls using the online ASA-24 Canada 2018 tool; and (3) online uploads of household food purchase receipts over the 12 weeks enrolled. Participation incentives will be offered.
dc.description.sponsorshipThis research protocol received funding from the Canadian Institutes of Health Research (FRN VR5 172691) and ethics review approval from the Dalhousie University Research Ethics Board. Study protocol and instruments and a de-identified dataset will be made publicly available. We will submit the findings to peer-reviewed journals, as well as conferences geared towards scientific and decision-maker audiences.
dc.description.versionPeer Reviewed
dc.identifier.doihttps://doi.org/10.1136/bmjopen-2022-061660
dc.identifier.urihttps://hdl.handle.net/10388/16437
dc.language.isoen
dc.publisherBMJ Open
dc.rightsAttribution 2.5 Canadaen
dc.rights.urihttp://creativecommons.org/licenses/by/2.5/ca/
dc.subjectCELLAR
dc.subjectCOVID
dc.subjectdiet
dc.titleStudy protocol for CELLAR (COVID-related Eating Limitations and Latent dietary effects in the Atlantic Region): population-based observational study to monitor dietary intakes and purchasing during COVID-19 in four Atlantic Canadian provinces
dc.typeArticle

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