How has the strict lockdown during the SARS-COV-2 outbreak changed the diet of Spaniards?

Toni Mora, Eleonora Fichera, Beatriz Lopez-Valcarcel

Research output: Contribution to journalArticlepeer-review

Abstract


Purpose: We investigate the impact of a specific macroeconomic shock that occurred as a response to the SARS-COV-2 outbreak, namely the strict lockdown imposed in Spain on the 14th of March 2020.

Methods: We use fortnightly purchase data relating to over 50,000 households from a supermarket chain in Catalonia from March to June in 2019 and 2020. Using a panel data approach, we analyse the impact of the lockdown on the caloric content, sugar composition, and alcohol content in beverages and food purchases bought before and after lockdown. We corrected our results to take into account the likelihood of stockpiling.

Results: The lockdown is related to an increase in unhealthy beverage and food purchases. We find heterogeneous effects across groups of the sample based on cardholder characteristics. Families with children or babies and those in the upper two income quintiles had the unhealthiest changes. As the lockdown went through phases of relaxation, households made better food decisions but maintained unhealthy beverage choices.

Conclusions: The very restrictive lockdown negatively impacted the characteristics of food and beverage purchases made by Spaniards. However, we are unsure whether there was substitution to restaurant and bar visits. Additional work to find out whether there were permanent changes in purchasing behaviour after lockdown ended is needed in the future.
Original languageEnglish
Article number101512
JournalSocial Science and Medicine - Population Health
Volume24
Early online date17 Sept 2023
DOIs
Publication statusPublished - 31 Dec 2023

Bibliographical note

Funding
Toni Mora gratefully acknowledges the financial support from the ECO 2017-83771-C3-3-R (MINECO/AEI/FEDER, UE) and its continuation PID 2021-124067OB-C21.

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