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Assessment of Online Food Ordering and Delivery in Singapore During the COVID-19 Pandemic

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Article Information

Accepted for Publication: July 21, 2021.

Published: September 23, 2021. doi:10.1001/jamanetworkopen.2021.26466

Open Access: This is an open access article distributed under the terms of the CC-BY License. © 2021 Agarwal S et al. JAMA Network Open.

Corresponding Author: Changwei Zhan, MS, Department of Real Estate, National University of Singapore, 15 Kent Ridge Dr, Singapore 119245 (zhanchangwei@u.nus.edu).

Author Contributions: Dr Agarwal had full access to all of the data in the study and takes responsibility for the integrity of the data and the accuracy of the data analysis. Drs Agarwal, Luo, and Qin and Mr Zhan equally contributed to this paper.

Concept and design: Agarwal, Qin, Zhan.

Acquisition, analysis, or interpretation of data: All authors.

Drafting of the manuscript: Zhan.

Critical revision of the manuscript for important intellectual content: Agarwal, Huang, Luo, Qin.

Statistical analysis: Qin, Zhan.

Obtained funding: Agarwal, Qin.

Supervision: Agarwal.

Conflict of Interest Disclosures: None reported.

Funding/Support: This study was funded by grant MOE2019-SSRTG-024 from the Ministry of Education, Singapore.

Role of the Funder/Sponsor: The funder had no role in the design and conduct of the study; collection, management, analysis, and interpretation of the data; preparation, review, or approval of the manuscript; and decision to submit the manuscript for publication.

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Sidor  A , Rzymski  P .  Dietary choices and habits during COVID-19 lockdown: experience from Poland.   Nutrients. 2020;12(6):1657. doi:10.3390/nu12061657PubMedGoogle ScholarCrossref
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McCullough  ML , Feskanich  D , Stampfer  MJ ,  et al.  Diet quality and major chronic disease risk in men and women: moving toward improved dietary guidance.   Am J Clin Nutr. 2002;76(6):1261-1271. doi:10.1093/ajcn/76.6.1261PubMedGoogle ScholarCrossref
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Engelhart  MJ , Geerlings  MI , Ruitenberg  A ,  et al.  Dietary intake of antioxidants and risk of Alzheimer disease.   JAMA. 2002;287(24):3223-3229. doi:10.1001/jama.287.24.3223PubMedGoogle ScholarCrossref
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